IAUT93 Thesaurus - Version Thu Jul 3 15:11:37 2008
type: ConceptScheme
has top concept: Aberrations
has top concept: Absorption
has top concept: Abundance
has top concept: ActiveStars
has top concept: Amplifiers
has top concept: Analyses
has top concept: Anomalies
has top concept: Antimatter
has top concept: Arrays
has top concept: ArtificialSatellites
has top concept: AstronomicalResearch
has top concept: AstronomicalTechniques
has top concept: Astronomy
has top concept: Atlases
has top concept: Atmospheres
has top concept: BariumStars
has top concept: BinaryStars
has top concept: BlueObjects
has top concept: Bursts
has top concept: Calendars
has top concept: Calibration
has top concept: CatadioptricSystems
has top concept: Catalogs
has top concept: ChemicalElements
has top concept: Chemistry
has top concept: CircumstellarEnvelopes
has top concept: CircumstellarMatter
has top concept: Classification
has top concept: Clouds
has top concept: Clusters
has top concept: Coatings
has top concept: Coherence
has top concept: Collapse
has top concept: CollapsedStars
has top concept: CollisionProcesses
has top concept: Comets
has top concept: CompactObjects
has top concept: ComputerApplications
has top concept: Computers
has top concept: Constants
has top concept: ControlSystems
has top concept: CoordinateSystems
has top concept: Coronas
has top concept: Correlation
has top concept: Craters
has top concept: DataProcessing
has top concept: DegenerateMatter
has top concept: Density
has top concept: Detection
has top concept: Diffraction
has top concept: Dimensions
has top concept: Dipoles
has top concept: DirectionalAntennas
has top concept: Disks
has top concept: DistanceScale
has top concept: DopplerEffect
has top concept: EarthSciences
has top concept: Eclipses
has top concept: Electrodes
has top concept: Electrodynamics
has top concept: ElectromagneticTheory
has top concept: ElectronBeams
has top concept: ElectronicCameras
has top concept: ElectronicEquipment
has top concept: EmissionLineObjects
has top concept: Encounters
has top concept: Energy
has top concept: Epoch
has top concept: Equinoxes
has top concept: Errors
has top concept: Evolution
has top concept: EvolutionaryTracks
has top concept: ExtragalacticObjects
has top concept: Eyepieces
has top concept: FaintStars
has top concept: Filters
has top concept: Flares
has top concept: Flow

21CmLine
type: Concept
alt label: Einundzwanzigzentimeterlinie @de
alt label: LINEA DE VEINTIUN CM
alt label: raie vingt et un cm @fr
alt label: riga a ventuno cm @it
alt label: twenty one cm line @en
broader: RadioRecombinationLines
pref label: 21 CM LINE @en
pref label: 21 CM-LINIE @de
pref label: LINEA DE 21CM
pref label: RAIE 21CM @fr
pref label: RIGA A 21 CM @it
related: HIAbsorption
related: HIClouds
related: HIContent
related: HIEmission
related: HIRegions
related: NeutralHydrogen

53PerseiStars
type: Concept
broader: BStars
broader: PulsatingVariableStars
pref label: 53 PERSEI STARS @en
pref label: 53 PERSEI-STERNE @de
pref label: ESTRELLAS 53 PERSEI
pref label: ETOILES 53 PERSEI @fr
pref label: STELLE 53 PERSEI @it

AbellClusters
type: Concept
broader: ClustersOfGalaxies
pref label: ABELL CLUSTERS @en
pref label: ABELL GALAXIENHAUFEN @de
pref label: AMAS ABELL @fr
pref label: AMMASSI DI ABELL @it
pref label: CUMULOS DE ABELL

Aberration
type: Concept
pref label: ABERRACION
pref label: ABERRATION @de
pref label: ABERRATION [astrometrie] @fr
pref label: ABERRAZIONE @it
related: Astrometry
related: CoordinateSystems
scope note: Of starlight.

Aberrations
type: Concept
narrower: Astigmatism
narrower: ChromaticAberration
narrower: Coma
narrower: Distortion
narrower: FieldCurvature
narrower: SphericalAberration
pref label: ABERRACIONES
pref label: ABERRATIONEN @de
pref label: ABERRATIONS @en
pref label: ABERRATIONS [optique] @fr
pref label: ABERRAZIONI @it
related: Focus
related: Lenses
related: Mirrors
related: OpticalSystems
related: Optics
related: Telescopes
scope note: Of optical images

Ablation
type: Concept
pref label: ABLACION
pref label: ABLATION @fr
pref label: ABLAZIONE @it
pref label: MASSENVERLUST / ABLATION @de
related: Meteorites

AbnormalSpectra
type: Concept
pref label: ABNORMAL SPECTRA @en
pref label: ESPECTROS ANORMALES
pref label: PEKULIAERE SPEKTREN @de
pref label: SPECTRE PARTICULIER @fr
pref label: SPETTRI ANOMALI @it
related: PeculiarStars

AbsoluteMagnitude
type: Concept
broader: Magnitudes
pref label: ABSOLUTE HELLIGKEIT @de
pref label: ABSOLUTE MAGNITUDE @en
pref label: MAGNITUD ABSOLUTA
pref label: MAGNITUDE ABSOLUE @fr
pref label: MAGNITUDINE ASSOLUTA @it
related: Distance
related: DistanceModulus
related: HertzsprungRussellDiagram
related: Luminosity
related: WilsonBappuEffect

AbsoluteTemperatureScale
type: Concept
broader: TemperatureScales
pref label: ABSOLUTE TEMPERATURE SCALE @en
pref label: ABSOLUTE TEMPERATURSKALA @de
pref label: ECHELLE DE TEMPERATURE ABSOLUE @fr
pref label: ESCALA ABSOLUTA DE TEMPERATURAS
pref label: SCALA DELLE TEMPERATURE ASSOLUTE @it
related: CelsiusTemperatureScale
related: Kelvin
related: Temperature

Absorption
type: Concept
narrower: AtmosphericExtinction
narrower: IntergalacticAbsorption
narrower: InterstellarAbsorption
narrower: LightAbsorption
pref label: ABSORCION
pref label: ABSORPTION @de
pref label: ASSORBIMENTO @it
related: AtmosphericScattering
related: AtmosphericWindows
related: Capture
related: EquivalentWidths
related: InterstellarGas
related: Opacity
related: Photodissociation
related: Photoionization
related: Radiation
related: RadiativeEquilibrium
related: ReddenedStars
related: Reddening
related: RosselandOpacity
related: Transmission
scope note: Combine with other terms

AbsorptionCoefficient
type: Concept
alt label: Absorptionsvermoegen @de
alt label: absorbencia
alt label: absorptivity @en
alt label: assorbivita @it
alt label: pouvoir absorbant @fr
pref label: ABSORPTION COEFFICIENT @en
pref label: ABSORPTIONSKOEFFIZIENT @de
pref label: COEFFICIENT D'ABSORPTION @fr
pref label: COEFFICIENTE DI ASSORBIMENTO @it
pref label: COEFICIENTE DE ABSORCION
related: AtmosphericExtinction
related: EinsteinCoefficient
related: IntergalacticAbsorption
related: InterstellarAbsorption
related: OpticalDepth
related: Transparency

AbsorptionLines
type: Concept
broader: SpectralLines
pref label: ABSORPTION LINES @en
pref label: ABSORPTIONSLINIEN @de
pref label: LINEAS DE ABSORCION
pref label: RAIE D'ABSORPTION @fr
pref label: RIGHE DI ASSORBIMENTO @it
related: AtomicProcesses
related: BoundFreeTransitions
related: CalciumLines
related: CyanogenLines
related: LineFormation
related: LineIdentifications
related: LineProfiles
related: LineRatios
related: LymanAlphaForest
related: MetalLines
related: Microturbulence
related: ResidualIntensity
related: Spectra
related: SpectroscopicAnalysis
related: VoigtProfiles

AbsorptionSpectra
type: Concept
broader: LineSpectra
broader: Spectra
narrower: AtomicSpectra
pref label: ABSORPTION SPECTRA @en
pref label: ABSORPTIONSSPEKTREN @de
pref label: ESPECTROS DE ABSORCION
pref label: SPECTRE EN ABSORPTION @fr
pref label: SPETTRI DI ASSORBIMENTO @it
related: BalmerSeries
related: BoundFreeTransitions
related: DLines
related: EnergySpectra
related: FraunhoferLines
related: RamanEffect

AbsorptionSpectroscopy
type: Concept
broader: Spectroscopy
pref label: ABSORPTION SPECTROSCOPY @en
pref label: ABSORPTION-SPEKTROSKOPIE @de
pref label: ESPECTROSCOPIA DE ABSORCION
pref label: SPECTROSCOPIE D'ABSORPTION @fr
pref label: SPETTROSCOPIA DI ASSORBIMENTO @it

Abundance
type: Concept
alt label: Chemische Haeufigkeit @de
alt label: Elementhaeufigkeit @de
alt label: Elementhaeufigkeit in Sternen @de
alt label: abbondanza chimica @it
alt label: abbondanza degli elementi @it
alt label: abbondanza stellare @it
alt label: abondance chimique @fr
alt label: abondance des elements @fr
alt label: abondance stellaire @fr
alt label: abundancia de los elementos
alt label: abundancia estelar
alt label: abundancia quimica
alt label: chemical abundance @en
alt label: element abundance @en
alt label: stellar abundance @en
narrower: CosmicAbundance
narrower: IsotopicAbundance
narrower: MetalAbundance
pref label: ABBONDANZA @it
pref label: ABONDANCE @fr
pref label: ABUNDANCE @en
pref label: ABUNDANCIA
pref label: HAEUFIGKEIT @de
related: AbundanceRatios
related: ChemicalComposition
related: ChemicalElements
related: ChemicalEvolution
related: CnoAnomalies
related: CurvesOfGrowth
related: ElementFormation
related: HeavyElements
related: HeliumPoorStars
related: HeliumRichStars
related: PeculiarStars
related: RareEarths
scope note: May be combined with elements, e.g. helium abundance

AbundanceRatios
type: Concept
pref label: ABBONDANZE ISOTOPICHE RELATIVE @it
pref label: ABUNDANCE RATIOS @en
pref label: COCIENTES DE ABUNDANCIA
pref label: HAEUFIGKEITSVERHAELTNISSE @de
pref label: RAPPORT D'ABONDANCE @fr
related: Abundance
related: CnoAnomalies

Acceleration
type: Concept
broader: Kinematics
pref label: ACCELERATION @fr
pref label: ACCELERAZIONE @it
pref label: ACELERACION
pref label: BESCHLEUNIGUNG @de
related: Deceleration
related: Gravimetry
related: OrbitalElements
related: Orbits

Accretion
type: Concept
pref label: ACCRESCIMENTO @it
pref label: ACCRETION @fr
pref label: ACRECION
pref label: MASSENAUFSAMMLUNG / AKKRETION @de
related: AccretionDisks
related: AlfvenSurface
related: BinaryStars
related: MassTransfer
related: ParticleAccretion

AccretionDisks
type: Concept
broader: Disks
pref label: ACCRETION DISKS @en
pref label: AKKRETIONSSCHEIBEN @de
pref label: DISCHI DI ACCRESCIMENTO @it
pref label: DISCOS DE ACRECION
pref label: DISQUE D'ACCRETION @fr
related: Accretion
related: BlackHoles
related: CircumstellarDisks
related: CloseBinaryStars
related: CoolingFlows
related: StellarWinds
related: UGeminorumStars

Achondrites
type: Concept
broader: Chondrites
broader: Meteorites
pref label: ACHONDRITE @de
pref label: ACHONDRITES @en
pref label: ACONDRITI @it
pref label: ACONDRITOS

Acoustics
type: Concept
pref label: ACOUSTICS @en
pref label: ACOUSTIQUE @fr
pref label: ACUSTICA
pref label: AKUSTIK @de
related: AcousticWaves

AcousticWaves
type: Concept
alt label: Klang / Schall @de
alt label: Schallwellen @de
alt label: ondas de sonido
alt label: onde sonore @it
alt label: son @fr
alt label: sonido
alt label: sound @en
alt label: sound waves @en
alt label: suono @it
broader: Waves
pref label: ACOUSTIC WAVES @en
pref label: AKUSTISCHE WELLEN @de
pref label: ONDAS ACUSTICAS
pref label: ONDE ACOUSTIQUE @fr
pref label: ONDE ACUSTICHE @it
related: Acoustics
related: GravityWaves
related: SpeedOfSound
related: Wavelength

ActiveGalacticNuclei
type: Concept
alt label: Aktive Galaxienkerne @de
alt label: agn
broader: GalacticNuclei
broader: VariableSources
broader: XRaySources
narrower: Blazars
narrower: SeyfertNuclei
pref label: ACTIVE GALACTIC NUCLEI @en
pref label: AKTIVE GALAXIENKERNE @de
pref label: NOYAU ACTIF DE GALAXIE @fr
pref label: NUCLEI GALATTICI ATTIVI @it
pref label: NUCLEOS GALACTICOS ACTIVOS
related: ActiveGalaxies
related: BlLacertaeObjects
related: CompactNuclei
related: EmissionLineGalaxies
related: Galaxies
related: Quasars
related: RadioGalaxies

ActiveGalaxies
type: Concept
alt label: eruptive Galaxien @de
alt label: eruptive galaxies @en
alt label: galassie eruttive @it
alt label: galaxias eruptivas
alt label: galaxie eruptive @fr
broader: Galaxies
broader: XRaySources
pref label: ACTIVE GALAXIES @en
pref label: AKTIVE GALAXIEN @de
pref label: GALASSIE ATTIVE @it
pref label: GALAXIAS ACTIVAS
pref label: GALAXIE ACTIVE @fr
related: ActiveGalacticNuclei
related: CompactGalaxies
related: EmissionLineGalaxies
related: XRayFlares

ActiveOptics
type: Concept
broader: Optics
pref label: ACTIVE OPTICS @en
pref label: AKTIVE OPTIK @de
pref label: OPTICA ACTIVA
pref label: OPTIQUE ACTIVE @fr
pref label: OTTICA ATTIVA @it
related: AdaptiveOptics
related: AtmosphericRefraction
related: MultipleMirrorTelescopes
related: Seeing
related: TipTiltMirrors

ActiveProminences
type: Concept
broader: Prominences
pref label: ACTIVE PROMINENCES @en
pref label: AKTIVE PROTUBERANZEN @de
pref label: PROMINENCIAS ACTIVAS
pref label: PROTUBERANCE ERUPTIVE @fr
pref label: PROTUBERANZE ATTIVE @it

ActiveStars
type: Concept
narrower: EmissionLineStars
narrower: XRayStars
pref label: ACTIVE STARS @en
pref label: AKTIVE STERNE @de
pref label: ESTRELLAS ACTIVAS
pref label: ETOILE ACTIVE @fr
pref label: STELLE ATTIVE @it
related: XRayFlares

ActiveSun
type: Concept
pref label: ACTIVE SUN @en
pref label: AKTIVE SONNE @de
pref label: SOLE ATTIVO @it
pref label: sol activo
pref label: soleil actif @fr
related: Flares
related: QuietSun
related: SolarActivity
related: SolarCycle
related: Sunspots

ActivityIndexes
type: Concept
pref label: ACTIVITY INDEXES @en
pref label: AKTIVITAETSINDIZES @de
pref label: INDICE D'ACTIVITE @fr
pref label: INDICES DE ACTIVIDAD
pref label: INDICI DI ATTIVITA @it
related: SolarActivity

Adaption
type: Concept
pref label: ADAPCION
pref label: ADAPTATION @fr
pref label: ADAPTION @en
pref label: ADATTAMENTO @it
pref label: ANPASSUNG @de
scope note: Combine with other terms

AdaptiveOptics
type: Concept
broader: Optics
pref label: ADAPTIVE OPTICS @en
pref label: ADAPTIVE OPTIK @de
pref label: OPTICA ADAPTIVA
pref label: OPTIQUE ADAPTATIVE @fr
pref label: OTTICA ADATTIVA @it
related: ActiveOptics
related: AtmosphericRefraction
related: Seeing
related: SegmentedOptics

AdiabaticProcess
type: Concept
pref label: ADIABATIC PROCESS @en
pref label: ADIABATISCHER PROZESS @de
pref label: PROCESO ADIABATICO
pref label: PROCESSO ADIABATICO @it
pref label: PROCESSUS ADIABATIQUE @fr
related: EnergyTransfer
related: Thermodynamics

Adjustment
type: Concept
pref label: ADJUSTEMENT @fr
pref label: ADJUSTMENT @en
pref label: AGGIUSTAMENTO @it
pref label: AJUSTE
pref label: JUSTIERUNG / EINSTELLUNG @de
related: AlignmentOptics
related: Collimation
related: Corrections
related: Optics
related: Orientation
scope note: Combine with other terms

Adsorption
type: Concept
pref label: ADSORBIMENTO @it
pref label: ADSORCION
pref label: ADSORPTION @de
related: DustGrains
related: InterplanetaryGrains
related: InterstellarDust
scope note: Combine with other terms

ADwarfStars
type: Concept
broader: AStars
broader: DwarfStars
pref label: A DWARF STARS @en
pref label: A-ZWERGSTERNE @de
pref label: ESTRELLAS ENANAS A
pref label: ETOILE A NAINE @fr
pref label: STELLE NANE A @it
related: ASubdwarfStars

Aerolites
type: Concept
broader: Meteorites
pref label: AEROLITE / METEORSTEINE @de
pref label: AEROLITES @en
pref label: AEROLITHE @fr
pref label: AEROLITI @it
pref label: AEROLITOS

Aeronomy
type: Concept
pref label: AERONOMIA @it
pref label: AERONOMY @en
pref label: Aeronomie @de
pref label: aeronomia
pref label: aeronomie @fr
related: Atmospheres
related: EarthAtmosphere
related: Planets

AeStars
type: Concept
alt label: Herbig-Sterne @de
alt label: estrellas herbig
alt label: etoile de Herbig @fr
alt label: herbig stars @en
alt label: stelle di herbig @it
broader: AStars
broader: EarlyTypeEmissionStars
pref label: Ae STARS @en
pref label: Ae-STERNE @de
pref label: ESTRELLAS Ae
pref label: ETOILE Ae @fr
pref label: STELLE Ae @it
related: BeStars

Afterglow
type: Concept
broader: AtmosphericRadiation
pref label: AFTERGLOW @en
pref label: LUMINISCENCIA RESIDUAL
pref label: NACHLEUCHTEN / LUMINESZENZ @de
pref label: POSTLUMINESCENCE/REMANENCE @fr
pref label: POSTLUMINESCENZA @it
related: LightScattering
related: Luminescence

Age
type: Concept
pref label: AGE @fr
pref label: ALTER @de
pref label: EDAD
pref label: ETA @it
related: HubbleTime
related: RelaxationTime
related: TurnoffPoint
scope note: Combine with other terms

AGiantStars
type: Concept
broader: AStars
broader: GiantStars
pref label: A GIANT STARS @en
pref label: A-RIESENSTERNE @de
pref label: ESTRELLAS GIGANTES A
pref label: ETOILE A GEANTE @fr
pref label: STELLE GIGANTI A @it

Air
type: Concept
broader: Gases
pref label: AIR @fr
pref label: AIRE
pref label: ARIA @it
pref label: LUFT @de
related: Atmospheres

AirConditioning
type: Concept
pref label: AIR CONDITIONING @en
pref label: AIR CONDITIONNE @fr
pref label: AIRE ACONDICIONADO
pref label: CONDIZIONAMENTO D'AREA @it
pref label: KLIMAANLAGE @de
related: TemperatureControl
related: Ventilation

Airglow
type: Concept
alt label: Nachthimmelsleuchten @de
alt label: Taghimmelleuchten @de
alt label: chiarore diurno @it
alt label: dayglow @en
alt label: lueur atmospherique diurne @fr
alt label: luminescence du ciel nocturne @fr
alt label: luminescenza notturna @it
alt label: nightglow @en
alt label: resplandor diurno
alt label: resplandor nocturno
broader: AtmosphericRadiation
pref label: AIRGLOW @en
pref label: EIGENLEUCHTEN DER ERDATMOSPHAERE @de
pref label: LUMIERE DU CIEL NOCTURNE @fr
pref label: LUMINESCENZA DELL'ATMOSFERA @it
pref label: RESPLANDOR ATMOSFERICO
related: AshenLight
related: Auroras
related: NightSkyBrightness
related: RadiativeRecombination
related: RayleighScattering
related: SkyBrightness

AirplaneBorneInstruments
type: Concept
pref label: AIRPLANE BORNE INSTRUMENTS @en
pref label: IM FLUGZEUG MITGEFUEHRTE INSTRUMENTE @de
pref label: INSTRUMENT EMBARQUE EN AVION @fr
pref label: INSTRUMENTOS AEROTRANSPORTADOS
pref label: STRUMENTI SU AEREOPLANO @it
related: BalloonBorneInstruments
related: GroundBasedAstronomy
related: InfraredObservatories
related: RocketBorneInstruments
related: SatelliteBorneInstruments

AirPollution
type: Concept
broader: Pollution
pref label: AIR POLLUTION @en
pref label: CONTAMINACION DEL AIRE
pref label: INQUINAMENTO ATMOSFERICO @it
pref label: LUFTVERSCHMUTZUNG @de
pref label: POLLUTION DE L'AIR @fr
related: LightPollution
related: SiteProtection

AiryDisks
type: Concept
pref label: AIRY DISKS @en
pref label: AIRY-SCHEIBCHEN @de
pref label: DISCHI DI AIRY @it
pref label: DISCOS DE AIRY
pref label: DISQUE D'AIRY @fr
related: Diffraction

Albedo
type: Concept
alt label: albedo esferico
alt label: albedo sferico @it
alt label: albedo spherique @fr
alt label: sphaerische Albedo @de
alt label: spherical albedo @en
broader: OpticalProperties
pref label: ALBEDO
related: Illumination
related: Radiation
related: Reflection
related: SurfaceProperties

AlfvenSurface
type: Concept
pref label: ALFVEN SURFACE @en
pref label: ALFVENFLAECHEN @de
pref label: SUPERFICIE DE ALFVEN
pref label: SUPERFICIE DI ALFVEN @it
pref label: SURFACE D'ALFVEN @fr
related: Accretion
related: NeutronStars

AlgolVariableStars
type: Concept
alt label: Beta Persei-Sterne @de
alt label: beta persei stars @en
alt label: estrellas beta persei
alt label: etoiles beta persee @fr
alt label: stelle beta persei @it
broader: BinaryStars
broader: EclipsingBinaryStars
pref label: ALGOL VARIABLE STARS @en
pref label: ALGOL-VERAENDERLICHE STERNE @de
pref label: ESTRELLAS VARIABLES ALGOL
pref label: ETOILES VARIABLES ALGOL @fr
pref label: STELLE VARIABILI ALGOL @it
related: WUrsaeMajorisStars

AlignmentOptics
type: Concept
pref label: ALIGNEMENT [OPTIQUE] @fr
pref label: ALIGNMENT [OPTICS] @en
pref label: ALINEACION OPTICA
pref label: ALLINEAMENTO [OTTICA] @it
pref label: JUSTIERUNG @de
related: Adjustment
related: Collimation
related: Corrections
related: Orientation
scope note: Of optical images

AlignmentPlanets
type: Concept
pref label: ALIGNEMENT [PLANETES] @fr
pref label: ALIGNMENT [PLANETS] @en
pref label: ALINEACION [PLANETAS]
pref label: ALLINEAMENTO [PIANETI] @it
pref label: AUSRICHTUNG / ORIENTIERUNG @de
related: CelestialMechanics
related: Planets
related: SolarSystem
scope note: Of planets, etc

AllSkyCameras
type: Concept
broader: Cameras
broader: WideFieldTelescopes
pref label: ALL SKY CAMERAS @en
pref label: CAMARA DE TODO EL CIELO
pref label: CAMERE A TUTTO CIELO @it
pref label: CHAMBRE PANORAMIQUE @fr
pref label: GANZ-HIMMEL-KAMERAS @de
related: AllSkyPhotography
related: WideAngleLenses

AllSkyPhotography
type: Concept
broader: Photography
pref label: ALL SKY PHOTOGRAPHY @en
pref label: FOTOGRAFIA A TUTTO CIELO @it
pref label: FOTOGRAFIA DE TODO EL CIELO
pref label: GANZ-HIMMELS-PHOTOGRAPHIE @de
pref label: PHOTOGRAPHIE DU CIEL ENTIER @fr
related: AllSkyCameras
related: Cameras
related: WideAngleLenses

Almanacs
type: Concept
pref label: ALMANACCHI @it
pref label: ALMANACHE / JAHRBUECHER @de
pref label: ALMANACS @en
pref label: almanach @fr
pref label: almanaques
related: Ephemerides

Alpha2CanumVenaticorumStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: MagneticVariableStars
narrower: SxArietisStars
pref label: ALPHA2 CANUM VENATICORUM STARS @en
pref label: ALPHA2 CANUM VENATICORUM STERNE @de
pref label: ESTRELLAS ALFA2 CANUM VENATICORUM
pref label: ETOILE ALPHA2 CANUM VENATICORUM @fr
pref label: STELLE ALFA2 CANUM VENATICORUM @it
related: ApStars
related: SpectrumVariableStars

AlphaParticles
type: Concept
broader: Bosons
broader: CompositeParticles
broader: NuclearRadiation
broader: Particles
pref label: ALPHA PARTICLES @en
pref label: ALPHATEILCHEN @de
pref label: PARTICELLE ALFA @it
pref label: PARTICULAS ALFA
pref label: PARTICULES ALPHA @fr
related: Electrons
related: Neutrons
related: Protons
related: Radioactivity

AltazimuthMounting
type: Concept
alt label: Azimutale Montierung @de
alt label: azimuth mounting @en
alt label: montatura azimutale @it
alt label: montura acimutal
alt label: monture azimutale @fr
broader: TelescopeMountings
pref label: ALTAZIMUT-MONTIERUNG @de
pref label: ALTAZIMUTH MOUNTING @en
pref label: MONTATURA ALTAZIMUTALE @it
pref label: MONTURA ALTACIMUTAL
pref label: MONTURE ALTAZIMUTALE @fr
related: AltitudeAngle
related: Azimuth
related: EquatorialMounting
related: HorizonCoordinateSystem
related: Siderostats
related: VerticalCircles

Altimeters
type: Concept
broader: MeasuringInstruments
pref label: ALTIMETER / HOEHENMESSER @de
pref label: ALTIMETERS @en
pref label: ALTIMETRE @fr
pref label: ALTIMETRI @it
pref label: ALTIMETROS

Altimetry
type: Concept
pref label: ALTIMETRIA
pref label: ALTIMETRIE @fr
pref label: ALTIMETRY @en
pref label: HYPSOMETRIE / HOEHENMESSKUNDE @de

AltitudeAngle
type: Concept
alt label: Elevationswinkel @de
alt label: angolo di elevazione @it
alt label: angulo de elevacion
alt label: elevation angle @en
alt label: hauteur [angle] @fr
pref label: ALTEZZA [ANGOLO] @it
pref label: ALTITUD [ANGULO]
pref label: ALTITUDE [ANGLE] @en
pref label: ALTITUDE [Angle] @fr
pref label: HOEHE [STERNHOEHE UEBER HORIZONT] @de
related: AltazimuthMounting
related: Azimuth
related: Horizon
related: HorizonCoordinateSystem
related: Sextants
related: ZenithDistance
scope note: Use for angle; see ELEVATION for height.

Aluminizing
type: Concept
pref label: ALLUMINATURA @it
pref label: ALUMINER @fr
pref label: ALUMINISIERUNG @de
pref label: ALUMINIZACION
pref label: ALUMINIZING @en
related: AluminumCoatings
related: Mirrors
related: VacuumTechniques

AluminumCoatings
type: Concept
alt label: Aluminium Beschichtungen @de
alt label: aluminium coatings @en
alt label: aluminiure @fr
alt label: revestimientos de aluminio
alt label: rivestimenti di alluminio @it
broader: Coatings
broader: ThinFilms
pref label: ALUMINIUM BESCHICHTUNGEN @de
pref label: ALUMINUM COATINGS @en
pref label: ALUMINURE @fr
pref label: REVESTIMIENTOS DE ALUMINIO
pref label: RIVESTIMENTI DI ALLUMINIO @it
related: Aluminizing
related: Mirrors
related: SilverCoatings
related: SurfacesOptical
related: VacuumTechniques
related: VaporDeposition

AmateurAstronomy
type: Concept
pref label: AMATEUR ASTRONOMY @en
pref label: AMATEURASTRONOMIE @de
pref label: ASTROFILIA @it
pref label: ASTRONOMIA AMATEUR
pref label: ASTRONOMIE D'AMATEURS @fr
related: Astronomers
related: AstronomicalResearch

AmCanumVenaticorumStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: HydrogenDeficientStars
pref label: AM CANUM VENATICORUM STARS @en
pref label: AM CANUM VENATICORUM STERNE @de
pref label: ESTRELLAS AM CANUM VENATICORUM
pref label: ETOILES AM CANUM VENATICORUM @fr
pref label: STELLE AM CANUM VENATICORUM @it
related: UGeminorumStars

AmHerculisStars
type: Concept
alt label: Polare @de
alt label: polaire @fr
alt label: polares
alt label: polari @it
alt label: polars @en
broader: CloseBinaryStars
pref label: AM HERCULIS STARS @en
pref label: AM HERCULIS STERNE @de
pref label: ESTRELLAS AM HERCULIS
pref label: ETOILES AM HERCULIS @fr
pref label: STELLE AM HERCULIS @it

Ammonia
type: Concept
broader: InterstellarMolecules
pref label: AMMONIA @en
pref label: AMMONIAC @fr
pref label: AMMONIACA @it
pref label: AMMONIAK @de
pref label: AMONIACO

AmorGroup
type: Concept
broader: MinorPlanetFamilies
pref label: AMOR GROUP @en
pref label: AMOR GRUPPE @de
pref label: GROUPE AMOR @fr
pref label: GRUPO AMOR
pref label: GRUPPO AMOR @it
related: ApolloGroup
related: TrojanGroup

Amplifiers
type: Concept
narrower: ParametricAmplifiers
narrower: Preamplifiers
pref label: AMPLIFICADORES
pref label: AMPLIFICATEUR @fr
pref label: AMPLIFICATORI @it
pref label: AMPLIFIERS @en
pref label: VERSTAERKER @de
related: ImageTubes
related: PhotomultiplierTubes
related: PulseCounters
related: PulseCounting

Amplitudes
type: Concept
pref label: AMPIEZZE @it
pref label: AMPLITUDE @fr
pref label: AMPLITUDEN @de
pref label: AMPLITUDES
related: DecayOscillations
related: Magnitudes
related: Oscillations
related: Pulsations
related: VariableStars
related: Vibration

AmStars
type: Concept
broader: AStars
broader: MagneticStars
broader: MagneticVariableStars
broader: MetalRichStars
narrower: SpectrumVariableStars
pref label: Am STARS @en
pref label: Am STERNE @de
pref label: ESTRELLAS Am
pref label: ETOILE Am @fr
pref label: STELLE Am @it

AnalogRecorders
type: Concept
pref label: ANALOG RECORDERS @en
pref label: ANALOG-REGISTRIERGERAETE @de
pref label: ENREGISTREUR ANALOGIQUE @fr
pref label: REGISTRADORES ANALOGOS
pref label: REGISTRATORI ANALOGICI @it
related: DataStorage

Analyses
type: Concept
narrower: DataAnalysis
narrower: FineAnalyses
narrower: SignalAnalysis
narrower: SignalProcessing
pref label: ANALISI @it
pref label: ANALISIS
pref label: ANALYSE @fr
pref label: ANALYSEN @de
pref label: ANALYSES @en
related: AstronomicalTechniques
related: Quantization
related: ReductionMethods
scope note: Combine with other terms

AngleOfRefraction
type: Concept
pref label: ANGLE DE REFRACTION @fr
pref label: ANGLE OF REFRACTION @en
pref label: ANGOLO DI RIFRAZIONE @it
pref label: ANGULO DE REFRACCION
pref label: BRECHUNGSWINKEL @de
related: Atmospheres
related: ZenithDistance
scope note: In earth's atmosphere

AngularDiameters
type: Concept
alt label: Scheinbare Durchmesser @de
alt label: apparent diameters @en
alt label: diametre apparent @fr
alt label: diametri apparenti @it
alt label: diametros aparentes
broader: Diameters
pref label: ANGULAR DIAMETERS @en
pref label: DIAMETRE ANGULAIRE @fr
pref label: DIAMETRI ANGOLARI @it
pref label: DIAMETROS ANGULARES
pref label: WINKELDURCHMESSER @de
related: Interferometry
related: Occultations
related: SpeckleInterferometry

AngularMomentum
type: Concept
pref label: ANGULAR MOMENTUM @en
pref label: DREHIMPULS @de
pref label: MOMENT ANGULAIRE @fr
pref label: MOMENTO ANGOLARE @it
pref label: MOMENTO ANGULAR
related: GFactor
related: Kinematics
related: Momentum
related: Rotation

AngularResolution
type: Concept
broader: Resolution
pref label: ANGULAR RESOLUTION @en
pref label: POTERE DI RISOLUZIONE ANGOLARE @it
pref label: RESOLUCION ANGULAR
pref label: RESOLUTION ANGULAIRE @fr
pref label: WINKELAUFLOESUNG @de
related: AngularSeparation
related: Beamwidth
related: Optics
related: SpeckleInterferometry

AngularSeparation
type: Concept
alt label: Winkelabstand @de
alt label: angular distance @en
alt label: distance angulaire @fr
alt label: distancia angular
alt label: distanza angolare @it
pref label: ANGULAR SEPARATION @en
pref label: SEPARACION ANGULAR
pref label: SEPARATION ANGULAIRE @fr
pref label: SEPARAZIONE ANGOLARE @it
pref label: WINKELABSTAND @de
related: AngularResolution
related: OpticalDoubleStars
related: SpeckleInterferometry

AngularVelocity
type: Concept
broader: Velocity
pref label: ANGULAR VELOCITY @en
pref label: VELOCIDAD ANGULAR
pref label: VELOCITA ANGOLARE @it
pref label: VITESSE ANGULAIRE @fr
pref label: WINKELGESCHWINDIGKEIT @de
related: CelestialMechanics
related: OrbitalVelocity
related: Rotation

Anisotropy
type: Concept
pref label: ANISOTROPIA
pref label: ANISOTROPIE @de
pref label: ANISOTROPY @en
related: BackgroundRadiation
related: Isotropy
related: PolarizationChargeSeparation

AnnualEquation
type: Concept
pref label: ANNUAL EQUATION @en
pref label: ECUACION ANUAL
pref label: EQUATION ANNUELLE @fr
pref label: EQUAZIONE ANNUA @it
pref label: JAEHRLICHE GLEICHUNG @de
related: EarthMoonSystem
related: EarthOrbit
related: EllipticalOrbits

AnnualParallax
type: Concept
alt label: Heliozentrische Parallaxe @de
alt label: PARALAJE HELIOCENTRICA
alt label: heliocentric parallax @en
alt label: parallasse eliocentrica @it
alt label: parallaxe heliocentrique @fr
broader: Parallaxes
pref label: ANNUAL PARALLAX @en
pref label: JAEHRLICHE PARALLAXE @de
pref label: PARALAJE ANUAL
pref label: PARALLASSE ANNUA @it
pref label: PARALLAXE ANNUELLE @fr
related: AstronomicalUnit

AnnularEclipses
type: Concept
broader: Eclipses
pref label: ANNULAR ECLIPSES @en
pref label: ECLIPSE ANNULAIRE @fr
pref label: ECLIPSES ANULARES
pref label: ECLISSE ANULARE @it
pref label: RINGFOERMIGE FINSTERNIS @de
related: TotalEclipses

Anomalies
type: Concept
narrower: GravityAnomalies
narrower: MagneticAnomalies
pref label: ANOMALIAS
pref label: ANOMALIE @it
pref label: ANOMALIE [IRREGULARITE] @fr
pref label: ANOMALIEN @de
pref label: ANOMALIES @en

AnomalisticMonth
type: Concept
pref label: ANOMALISTIC MONTH @en
pref label: ANOMALISTISCHER MONAT @de
pref label: MES ANOMALISTICO
pref label: MESE ANOMALISTICO @it
pref label: MOIS ANOMALISTIQUE @fr
related: Anomaly
related: Moon

AnomalisticYear
type: Concept
broader: Year
pref label: ANNEE ANOMALISTIQUE @fr
pref label: ANNO ANOMALISTICO @it
pref label: ANO ANOMALISTICO
pref label: ANOMALISTIC YEAR @en
pref label: ANOMALISTISCHES JAHR @de
related: Anomaly

Anomaly
type: Concept
alt label: Exzentrische Anomalie @de
alt label: Scheinbare Anomalie @de
alt label: anomalia aparente
alt label: anomalia apparente @it
alt label: anomalia eccentrica
alt label: anomalia media
alt label: anomalia real
alt label: anomalia vera @it
alt label: anomalia verdadera
alt label: anomalie apparente @fr
alt label: anomalie excentrique @fr
alt label: anomalie moyenne @fr
alt label: anomalie reelle @fr
alt label: anomalie vraie @fr
alt label: apparent anomaly @en
alt label: eccentric anomaly @en
alt label: mean anomaly @en
alt label: mittlere Anomalie @de
alt label: real anomaly @en
alt label: true anomaly @en
alt label: wahre Anomalie @de
alt label: wirkliche Anomalie @de
broader: OrbitalElements
pref label: ANOMALIA
pref label: ANOMALIE @de
pref label: ANOMALIE [MOUVEMENT ORBITAL] @fr
pref label: ANOMALY @en
related: AnomalisticMonth
related: AnomalisticYear

Ansae
type: Concept
pref label: ANSAE
pref label: ANSE @it
pref label: ANSEN @de
related: LenticularGalaxies
related: PlanetaryNebulae
related: Rings

Antapex
type: Concept
pref label: ANTAPEX @de
pref label: ANTI-APEX @fr
pref label: ANTIAPICE
related: Apex
related: SolarMotion

AntarcticObservatories
type: Concept
broader: Observatories
pref label: ANTARCTIC OBSERVATORIES @en
pref label: ANTARKTISCHE OBSERVATORIEN @de
pref label: OBSERVATOIRE ANTARCTIQUE @fr
pref label: OBSERVATORIOS ANTARTICOS
pref label: OSSERVATORI ANTARTICI @it

AntennaDesign
type: Concept
pref label: ANTENNA DESIGN @en
pref label: ANTENNENENTWURF @de
pref label: CONCEPTION D'ANTENNES @fr
pref label: DISEGNO DELL'ANTENNA @it
pref label: DISEN*O DE ANTENAS
related: PolarDiagram
related: RadioTelescopes

Antennas
type: Concept
alt label: Antennen @de
alt label: aerials @en
alt label: antenas
alt label: antenne @it
broader: RadarEquipment
narrower: CassegrainAntennas
narrower: DipoleAntennas
narrower: HornAntennas
narrower: LensAntennas
narrower: MicrowaveAntennas
narrower: MillsCrossAntennas
narrower: ParabolicAntennas
narrower: RadioAntennas
narrower: ReflectorAntennas
narrower: YagiAntennas
pref label: ANTENAS
pref label: ANTENNAS @en
pref label: ANTENNE @it
pref label: ANTENNEN @de
related: Arrays
related: CurrentSheets
related: Currents
related: DishAntennas
related: FeedHorns
related: Interferometers
related: Radar
related: RadioTelescopes
related: Telescopes

AnthropicPrinciple
type: Concept
pref label: ANTHROPIC PRINCIPLE @en
pref label: ANTROPHISCHES PRINZIP @de
pref label: PRINCIPE ANTHROPIQUE @fr
pref label: PRINCIPIO ANTROPICO
related: Cosmology
related: Life

Antimatter
type: Concept
narrower: Antiparticles
pref label: ANTIMATERIA
pref label: ANTIMATERIE @de
pref label: ANTIMATIERE @fr
pref label: ANTIMATTER @en

Antineutrinos
type: Concept
broader: Antiparticles
pref label: ANTINEUTRINI @it
pref label: ANTINEUTRINO @de
pref label: ANTINEUTRINOS
related: Neutrinos

Antinodes
type: Concept
pref label: ANTIKNOTENPUNKTE @de
pref label: ANTINODES @en
pref label: ANTINODI @it
pref label: ANTINODOS
pref label: POINT ANTINODAL @fr
related: Vibration

Antinucleons
type: Concept
broader: Antiparticles
pref label: ANTINUCLEON @fr
pref label: ANTINUCLEONI @it
pref label: ANTINUCLEONS @en
pref label: ANTINUCLEOS
pref label: ANTINUKLEONEN @de

Antiparticles
type: Concept
broader: Antimatter
broader: ElementaryParticles
narrower: Antineutrinos
narrower: Antinucleons
narrower: Antiprotons
narrower: Positrons
pref label: ANTIPARTICELLE @it
pref label: ANTIPARTICLES @en
pref label: ANTIPARTICULAS
pref label: ANTIPARTICULE @fr
pref label: ANTITEILCHEN @de

Antiprotons
type: Concept
broader: Antiparticles
pref label: ANTIPROTON @fr
pref label: ANTIPROTONEN @de
pref label: ANTIPROTONES
pref label: ANTIPROTONI @it
pref label: ANTIPROTONS @en
related: Protons

AntireflectionCoatings
type: Concept
broader: Coatings
broader: OpticalFilms
broader: ThinFilms
pref label: ANTIREFLECTION COATINGS @en
pref label: COUCHE ANTIREFLET @fr
pref label: REFLEXMINDERNDE SCHICHTEN / T-BELAEGE @de
pref label: REVESTIMIENTOS ANTIRREFLECTORES
pref label: RIVESTIMENTI ANTIRIFLETTENTI @it
related: Lenses
related: SurfacesOptical

Apastron
type: Concept
broader: Apsides
pref label: APASTRON @de
pref label: APOASTRE @fr
pref label: APOASTRO
related: Periastron

AperiodicComets
type: Concept
broader: Comets
pref label: APERIODIC COMETS @en
pref label: APERIODISCHE KOMETEN @de
pref label: COMETAS APERIODICOS
pref label: COMETE APERIODICHE @it
pref label: COMETE APERIODIQUE @fr

Apertures
type: Concept
pref label: APERTURAS
pref label: APERTURE @it
pref label: APERTUREN / OEFFNUNGEN @de
pref label: APERTURES @en
pref label: OUVERTURE @fr
related: ApertureSynthesis
related: Apodization
related: OpticalSystems

ApertureSynthesis
type: Concept
alt label: GRADATIONSFUNKTION @de
alt label: apertura sintetica
alt label: fonction de gradation @fr
alt label: funcion de gradacion
alt label: grading function @en
alt label: illuminazione di apertura @it
alt label: synthese d'ouverture @fr
alt label: synthetic aperture @en
alt label: synthetische OEffnung @de
pref label: APERTURE SYNTHESIS @en
pref label: APERTURSYNTHESE @de
pref label: SINTESI D'APERTURA @it
pref label: SINTESIS DE APERTURA
pref label: SYNTHESE D'OUVERTURE @fr
related: Apertures
related: GratingRing
related: Interferometry
related: VisibilityFunction

Apex
type: Concept
pref label: APEX @de
pref label: APICE
related: Antapex
related: SolarMotion

Aphelion
type: Concept
broader: Apsides
pref label: AFELIO
pref label: APHEL @de
pref label: APHELIE @fr
pref label: APHELION @en
related: EarthOrbit
related: Perihelion
related: Planets

Apocenter
type: Concept
pref label: APOCENTER @en
pref label: APOCENTRE @fr
pref label: APOCENTRO
pref label: APOGALAKTIKUM @de
related: BinaryStars

Apodization
type: Concept
pref label: APODISATION @fr
pref label: APODISIERUNG @de
pref label: APODIZACION
pref label: APODIZATION @en
pref label: APODIZZAZIONE @it
related: Apertures
related: RadioTelescopes

Apogee
type: Concept
broader: Apsides
pref label: APOGAEUM @de
pref label: APOGEE @fr
pref label: APOGEO
related: Moon
related: Perigee

ApolloGroup
type: Concept
broader: MinorPlanetFamilies
pref label: APOLLO GROUP @en
pref label: APOLLO GRUPPE @de
pref label: GROUPE APOLLO @fr
pref label: GRUPO APOLO
pref label: GRUPPO APOLLO @it
related: AmorGroup
related: HirayamaFamilies
related: TrojanGroup

ApparentIntensity
type: Concept
broader: Intensity
pref label: APPARENT INTENSITY @en
pref label: INTENSIDAD APARENTE
pref label: INTENSITA APPARENTE @it
pref label: INTENSITE APPARENTE @fr
pref label: SCHEINBARE INTENSITAET @de

ApparentMagnitudes
type: Concept
broader: Magnitudes
narrower: BMagnitude
narrower: HMagnitude
narrower: IMagnitude
narrower: JMagnitude
narrower: KMagnitude
narrower: LMagnitude
narrower: MMagnitude
narrower: NMagnitude
narrower: OMagnitude
narrower: PMagnitude
narrower: PhotoelectricMagnitudes
narrower: PhotographicMagnitudes
narrower: PhotovisualMagnitudes
narrower: QMagnitude
narrower: RMagnitude
narrower: UMagnitude
narrower: VMagnitude
pref label: APPARENT MAGNITUDES @en
pref label: MAGNITUDE APPARENTE @fr
pref label: MAGNITUDES APARENTES
pref label: MAGNITUDINI APPARENTI @it
pref label: SCHEINBARE HELLIGKEIT @de
related: PhotometricSystems
related: Photometry

ApparentPositions
type: Concept
alt label: Scheinbare OErter @de
alt label: apparent places @en
alt label: lugares aparentes
alt label: position apparente @fr
alt label: posizioni apparenti @it
broader: Positions
pref label: APPARENT POSITIONS @en
pref label: POSICIONES APARENTES
pref label: POSITION APPARENTE @fr
pref label: POSIZIONI APPARENTI @it
pref label: SCHEINBARE POSITIONEN @de
related: Astrometry
related: TruePositions

ApparentSuperluminalMotion
type: Concept
alt label: Bewegung mit UEberlichtgeschwindigkeit @de
alt label: moti superluminali @it
alt label: mouvement superluminique @fr
alt label: movimiento superluminal
alt label: superluminal motion @en
broader: Motion
pref label: APPARENT SUPERLUMINAL MOTION @en
pref label: MOTO SUPERLUMINALE APPARENTE @it
pref label: MOUVEMENT APPARENT SUPERLUMINIQUE @fr
pref label: MOVIMIENTO SUPERLUMINAL APARENTE
pref label: SCHEINBARE BEWEGUNG MIT UEBERLICHTGESCHWINDIGKEIT @de
related: VelocityOfLight

ApsidalMotions
type: Concept
broader: Motion
pref label: APSIDAL MOTIONS @en
pref label: APSIDEN-BEWEGUNGEN @de
pref label: MOTI APSIDALI @it
pref label: MOUVEMENT APSIDAL @fr
pref label: MOVIMIENTOS DE APSIDE
related: Apsides
related: Orbits

Apsides
type: Concept
alt label: Apside @de
alt label: Apsis @de
alt label: apse @en
alt label: apside
alt label: apsis @en
broader: OrbitalElements
narrower: Apastron
narrower: Aphelion
narrower: Apogee
narrower: Periastron
narrower: Perigee
narrower: Perihelion
pref label: APSIDE @fr
pref label: APSIDEN @de
pref label: APSIDES
pref label: APSIDI @it
related: ApsidalMotions
related: Orbits

ApStars
type: Concept
alt label: peculiar a stars @en
broader: AStars
broader: PeculiarStars
narrower: HolmiumStars
narrower: ManganeseStars
narrower: SiliconStars
narrower: SpectrumVariableStars
pref label: Ap STARS @en
pref label: Ap STERNE @de
pref label: ESTRELLAS Ap
pref label: ETOILE Ap @fr
pref label: STELLE Ap @it
related: Alpha2CanumVenaticorumStars
related: MagneticStars
related: MagneticVariableStars
related: ObliqueRotators
related: RapidOscillations

Archaeoastronomy
type: Concept
alt label: Astroarchaeologie @de
alt label: Astronomie des Altertums @de
alt label: ancient astronomy @en
alt label: astroarchaeology @en
alt label: astroarcheologia @it
alt label: astroarcheologie @fr
alt label: astroarqueologia
alt label: astronomia antica @it
alt label: astronomia antigua
alt label: astronomie ancienne @fr
broader: Astronomy
broader: HistoryOfAstronomy
narrower: MegalithicAstronomy
pref label: ARCHAEOASTRONOMIE @de
pref label: ARCHAEOASTRONOMY @en
pref label: ARCHEOASTRONOMIA @it
pref label: ARCHEOASTRONOMIE @fr
pref label: ARQUEOASTRONOMIA
related: ArmillarySpheres
related: Astrolabes
related: Astrology

ArmillarySpheres
type: Concept
pref label: ARMILLARSPHAEREN / ARMILLEN @de
pref label: ARMILLARY SPHERES @en
pref label: ESFERAS ARMILARES
pref label: SFERE ARMILLARI/ARMILLE @it
pref label: SPHERE ARMILLIAIRE @fr
related: Archaeoastronomy

ArrayProcessors
type: Concept
pref label: ARRAY PROCESSORS @en
pref label: ARRAY-PROZESSOREN @de
pref label: PROCESADORES PARALELOS
pref label: PROCESSEUR MATRICIEL @fr
pref label: PROCESSORI PARALLELI @it
related: DetectorArrays

Arrays
type: Concept
narrower: DetectorArrays
narrower: DiodeArrays
narrower: PhasedArrays
narrower: TArrays
narrower: TelescopeArrays
narrower: VeryLargeArrays
narrower: YArrays
pref label: ARRAY @it
pref label: ARRAYS @en
pref label: GRUPPEN / ANORDNUNGEN @de
pref label: ORDENAMIENTO DE ANTENAS
pref label: RESEAU [RADIO ASTRONOMIE] @fr
related: Antennas
related: GratingResponse
related: Interferometers
related: RadioInterferometers
related: RadioTelescopes

ArtificialSatellites
type: Concept
alt label: Satelliten @de
alt label: satelites
alt label: satellite @fr
alt label: satellites @en
alt label: satelliti @it
narrower: GeostationarySatellites
pref label: ARTIFICIAL SATELLITES @en
pref label: KUENSTLICHE SATELLITEN @de
pref label: SATELITES ARTIFICIALES
pref label: SATELLITE ARTIFICIEL @fr
pref label: SATELLITI ARTIFICIALI @it
related: GammaRayObservatories
related: OrbitingObservatories
related: PolarOrbits
related: SatelliteLaserRanging
related: SpaceAstronomy
related: SpaceTelescopes
related: SpaceVehicles
related: XRayObservatories
scope note: Named satellite observatories not included.

AshenLight
type: Concept
broader: AtmosphericRadiation
pref label: ASCHGRAUES MONDLICHT @de
pref label: ASHEN LIGHT @en
pref label: LUCE DI ASHEN @it
pref label: LUMIERE CENDREE @fr
pref label: LUZ CENICIENTA
related: Airglow
scope note: Refers to Venus' atmosphere

AStars
type: Concept
broader: EarlyTypeStars
narrower: ADwarfStars
narrower: AGiantStars
narrower: ASubdwarfStars
narrower: ASubgiantStars
narrower: ASupergiantStars
narrower: AeStars
narrower: AmStars
narrower: ApStars
pref label: A STARS @en
pref label: A-STERNE @de
pref label: ESTRELLAS A
pref label: ETOILE A @fr
pref label: STELLE A @it
related: EarlyTypeVariableStars
related: SpectralTypes

AsteroidBelt
type: Concept
pref label: ASTEROID BELT @en
pref label: ASTEROIDENGUERTEL @de
pref label: CEINTURE D'ASTEROIDES @fr
pref label: CINTURON DE ASTEROIDES
pref label: FASCIA DEGLI ASTEROIDI @it
related: MinorPlanets

Asteroids
type: Concept
pref label: ASTER @it
pref label: ASTEROIDE @fr
pref label: ASTEROIDEN @de
pref label: ASTEROIDES
pref label: ASTEROIDS @en
scope note: See under MINOR PLANETS

Asteroseismology
type: Concept
alt label: SISMOLOGIA ESTELAR
alt label: SISMOLOGIE STELLAIRE @fr
alt label: STELLARE SEISMOLOGIE @de
alt label: sismologia stellare @it
alt label: stellar seismology @en
broader: Seismology
narrower: Helioseismology
pref label: ASTEROSEISMOLOGY @en
pref label: ASTEROSISMOLOGIE @fr
pref label: ASTROSISMOLOGIA
pref label: STELLARSEISMOLOGIE @de
related: PulsatingVariableStars
related: Pulsations
related: RapidOscillations
related: SolarOscillations
related: StellarOscillations

Astigmatism
type: Concept
broader: Aberrations
pref label: ASTIGMATISM @en
pref label: ASTIGMATISME @fr
pref label: ASTIGMATISMO
pref label: ASTIGMATISMUS @de
related: ChromaticAberration
related: Coma
related: Distortion
related: FieldCurvature
related: SphericalAberration

Astrodynamics
type: Concept
pref label: ASTRODINAMICA
pref label: ASTRODYNAMICS @en
pref label: ASTRODYNAMIK @de
pref label: ASTRODYNAMIQUE @fr
related: CelestialMechanics

AstrographicCameras
type: Concept
broader: Cameras
pref label: ASTROGRAPHE @fr
pref label: ASTROGRAPHIC CAMERAS @en
pref label: CAMARAS ASTROGRAFICAS
pref label: CAMERE ASTROGRAFICHE @it
pref label: PHOTOGRAPHISCHE REFRAKTOREN @de

AstrographicCatalogs
type: Concept
broader: Catalogs
pref label: ASTROGRAPHIC CATALOGS @en
pref label: ASTROGRAPHISCHE KATALOGE @de
pref label: CATALOGHI ASTROGRAFICI @it
pref label: CATALOGOS ASTROGRAFICOS
pref label: CATALOGUE ASTROGRAPHIQUE @fr

Astrographs
type: Concept
broader: AstrometricInstruments
pref label: ASTROGRAFI @it
pref label: ASTROGRAFOS
pref label: ASTROGRAPHE @fr
pref label: ASTROGRAPHEN @de
pref label: ASTROGRAPHS @en

Astrolabes
type: Concept
broader: AstrometricInstruments
broader: Instrumentation
narrower: DanjonAstrolabes
narrower: ImpersonalAstrolabes
pref label: ASTROLABE @fr
pref label: ASTROLABES @en
pref label: ASTROLABI @it
pref label: ASTROLABIEN @de
pref label: ASTROLABIOS
related: Archaeoastronomy

Astrology
type: Concept
pref label: ASTROLOGIA
pref label: ASTROLOGIE @de
pref label: ASTROLOGY @en
related: Archaeoastronomy
related: Astronomy
related: Constellations
related: Planets
related: Zodiac

AstrometricBinaryStars
type: Concept
broader: BinaryStars
pref label: ASTROMETRIC BINARY STARS @en
pref label: ASTROMETRISCHE DOPPELSTERNE @de
pref label: ESTRELLAS BINARIAS ASTROMETRICAS
pref label: ETOILE DOUBLE ASTROMETRIQUE @fr
pref label: STELLE BINARIE ASTROMETRICHE @it

AstrometricInstruments
type: Concept
broader: Instrumentation
narrower: Astrographs
narrower: Astrolabes
narrower: Quadrants
narrower: Sextants
narrower: TransitInstruments
pref label: ASTROMETRIC INSTRUMENTS @en
pref label: ASTROMETRISCHE INSTRUMENTE @de
pref label: INSTRUMENT ASTROMETRIQUE @fr
pref label: INSTRUMENTOS ASTROMETRICOS
pref label: STRUMENTI ASTROMETRICI @it
related: Astrometry
related: Time

Astrometry
type: Concept
alt label: Positionsastronomie @de
alt label: astronomia de posicion
alt label: astronomia posizionale @it
alt label: astronomie de position @fr
alt label: positional astronomy @en
broader: AstronomicalTechniques
broader: Astronomy
broader: ObservingTechniques
narrower: PhotographicAstrometry
narrower: RadioAstrometry
narrower: SpaceAstrometry
pref label: ASTROMETRIA
pref label: ASTROMETRIE @de
pref label: ASTROMETRY @en
related: Aberration
related: ApparentPositions
related: AstrometricInstruments
related: AstronomicalGeodesy
related: CelestialMechanics
related: CoordinateSystems
related: EarthRotation
related: EquatorPosition
related: FundamentalStars
related: LatitudeDetermination
related: MeridianCircles
related: OpticalPositions
related: Parallaxes
related: Precession
related: ReferenceSystems
related: StellarMotions
related: TransitInstruments
related: Transits
related: TruePositions

Astronomers
type: Concept
pref label: ASTRONOME @fr
pref label: ASTRONOMEN @de
pref label: ASTRONOMERS @en
pref label: ASTRONOMI @it
pref label: ASTRONOMOS
related: AmateurAstronomy
related: AstronomicalResearch

AstronomicalConstants
type: Concept
broader: Constants
broader: FundamentalConstants
narrower: AstronomicalUnit
narrower: GravitationalConstant
pref label: ASTRONOMICAL CONSTANTS @en
pref label: ASTRONOMISCHE KONSTANTEN @de
pref label: CONSTANTE ASTRONOMIQUE @fr
pref label: CONSTANTES ASTRONOMICAS
pref label: COSTANTI ASTRONOMICHE @it
related: CelestialMechanics

AstronomicalGeodesy
type: Concept
broader: Geodesy
pref label: ASTRONOMICAL GEODESY @en
pref label: ASTRONOMISCHE GEODAESIE @de
pref label: GEODESIA ASTRONOMICA
pref label: GEODESIE ASTRONOMIQUE @fr
related: Astrometry

AstronomicalOptics
type: Concept
broader: Optics
pref label: ASTRONOMICAL OPTICS @en
pref label: ASTRONOMISCHE OPTIK @de
pref label: OPTICA ASTRONOMICA
pref label: OPTIQUE ASTRONOMIQUE @fr
pref label: OTTICA ASTRONOMICA @it

AstronomicalResearch
type: Concept
narrower: SpaceResearch
pref label: ASTRONOMICAL RESEARCH @en
pref label: ASTRONOMISCHE FORSCHUNG @de
pref label: INVESTIGACION ASTRONOMICA
pref label: RECHERCHE ASTRONOMIQUE @fr
pref label: RICERCA ASTRONOMICA @it
related: AmateurAstronomy
related: Astronomers

AstronomicalTechniques
type: Concept
narrower: Astrometry
narrower: Interferometry
narrower: Photometry
narrower: Polarimetry
narrower: Spectrometry
narrower: Spectrophotometry
narrower: Spectroscopy
pref label: ASTRONOMICAL TECHNIQUES @en
pref label: ASTRONOMISCHE TECHNIKEN @de
pref label: TECHNIQUE ASTRONOMIQUE @fr
pref label: TECNICAS ASTRONOMICAS
pref label: TECNICHE ASTRONOMICHE @it
related: Analyses
related: ObservingTechniques
related: Photography
related: ReductionMethods
scope note: Most used in several wavelength regions.

AstronomicalUnit
type: Concept
broader: AstronomicalConstants
pref label: ASTRONOMICAL UNIT @en
pref label: ASTRONOMISCHE EINHEIT @de
pref label: UNIDAD ASTRONOMICA
pref label: UNITA ASTRONOMICA @it
pref label: UNITE ASTRONOMIQUE @fr
related: AnnualParallax
related: DistanceScale
related: HeliocentricCorrection
related: Parallaxes
related: Parsec
related: SolarParallax
related: TrigonometricParallax

Astronomy
type: Concept
narrower: Archaeoastronomy
narrower: Astrometry
narrower: Astrophysics
narrower: Cosmogony
narrower: Cosmology
narrower: GroundBasedAstronomy
pref label: ASTRONOMIA
pref label: ASTRONOMIE @de
pref label: ASTRONOMY @en
related: Astrology
scope note: Combine with other terms

Astrophysics
type: Concept
alt label: astrofisica teorica
alt label: astrophysique theorique @fr
alt label: theoretical astrophysics @en
alt label: theoretische Astrophysik @de
broader: Astronomy
pref label: ASTROFISICA
pref label: ASTROPHYSICS @en
pref label: ASTROPHYSIK @de
pref label: ASTROPHYSIQUE @fr
related: Cosmology
scope note: Combine with other terms

ASubdwarfStars
type: Concept
broader: AStars
broader: SubdwarfStars
pref label: A SUBDWARF STARS @en
pref label: A-UNTERZWERGE @de
pref label: ESTRELLAS SUBENANAS A
pref label: ETOILE A SOUS NAINE @fr
pref label: STELLE SUBNANE A @it
related: ADwarfStars

ASubgiantStars
type: Concept
broader: AStars
broader: SubgiantStars
pref label: A SUBGIANT STARS @en
pref label: A-UNTERRIESEN @de
pref label: ESTRELLAS SUBGIGANTES A
pref label: ETOILE A SOUSGEANTE @fr
pref label: STELLE SUBGIGANTI A @it

ASupergiantStars
type: Concept
broader: AStars
broader: EarlyTypeSupergiantStars
broader: SupergiantStars
pref label: A SUPERGIANT STARS @en
pref label: A-UEBERRIESEN @de
pref label: ESTRELLAS SUPERGIGANTES A
pref label: ETOILE A SUPERGEANTE @fr
pref label: STELLE SUPERGIGANTI A @it

AsymptoticGiantBranch
type: Concept
alt label: Asymptotischer Riesenast @de
alt label: agb
pref label: ASYMPTOTIC GIANT BRANCH @en
pref label: ASYMPTOTISCHER RIESENAST @de
pref label: BRANCHE ASYMPTOTIQUE DES GEANTES @fr
pref label: RAMA ASINTOTICA DE LAS GIGANTES
pref label: RAMO ASINTOTICO DELLE GIGANTI @it
related: HertzsprungRussellDiagram
related: LateTypeGiantStars

Ataxites
type: Concept
broader: Meteorites
pref label: ATAXITE @fr
pref label: ATAXITEN / TUFFLAVA @de
pref label: ATAXITES @en
pref label: ATAXITI @it
pref label: ATAXITOS

Atlases
type: Concept
alt label: Karten / Schriebe @de
alt label: cartas
alt label: carte @it
alt label: charts @en
narrower: StarAtlases
pref label: ATLANTEN @de
pref label: ATLANTI @it
pref label: ATLAS
pref label: ATLASES @en
related: Catalogs
related: FindingCharts
related: Maps
related: SkySurveys
related: Surveys

Atmospheres
type: Concept
narrower: EarthAtmosphere
narrower: StellarAtmospheres
pref label: ATMOSFERAS
pref label: ATMOSFERE @it
pref label: ATMOSPHAEREN @de
pref label: ATMOSPHERE @fr
pref label: ATMOSPHERES @en
related: Aeronomy
related: Air
related: AngleOfRefraction
related: BoundaryLayers
related: GreenhouseEffect
related: LimbBrightening
related: LimbDarkening
related: Macroturbulence
related: Microturbulence
related: Opacity
related: Planets
related: RadiationBelts
related: ScaleHeight
related: Scintillation
related: TemperatureZones
related: WaterVapor
scope note: Combine with other terms

AtmosphericDensity
type: Concept
broader: Density
pref label: ATMOSPHAERISCHE DICHTE @de
pref label: ATMOSPHERIC DENSITY @en
pref label: DENSIDAD ATMOSFERICA
pref label: DENSITA ATMOSFERICA @it
pref label: DENSITE ATMOSPHERIQUE @fr
related: ScaleHeight

AtmosphericExtinction
type: Concept
alt label: EXTINCION
alt label: Extinktion @de
alt label: estinzione @it
alt label: extinction @fr
broader: Absorption
broader: Scattering
pref label: ATMOSPHAERISCHE EXTINKTION @de
pref label: ATMOSPHERIC EXTINCTION @en
pref label: ESTINZIONE ATMOSFERICA @it
pref label: EXTINCION ATMOSFERICA
pref label: EXTINCTION ATMOSPHERIQUE @fr
related: AbsorptionCoefficient
related: AtmosphericWindows
related: EarthAtmosphere
related: LightAbsorption
related: LightScattering
related: UltravioletExtinction
scope note: Refers to earth atmosphere.

AtmosphericRadiation
type: Concept
alt label: Himmelsstrahlung @de
alt label: radiacion del cielo
alt label: radiazione celeste diffusa @it
alt label: rayonnement du ciel @fr
alt label: sky radiation @en
broader: TerrestrialRadiation
narrower: Afterglow
narrower: Airglow
narrower: AshenLight
narrower: Auroras
pref label: ATMOSPHAERISCHE STRAHLUNG @de
pref label: ATMOSPHERIC RADIATION @en
pref label: RADIACION ATMOSFERICA
pref label: RADIAZIONE ATMOSFERICA @it
pref label: RAYONNEMENT ATMOSPHERIQUE @fr
related: SkyBrightness

AtmosphericRefraction
type: Concept
pref label: ATMOSPHAERISCHE STRAHLENBRECHUNG @de
pref label: ATMOSPHERIC REFRACTION @en
pref label: REFRACCION ATMOSFERICA
pref label: REFRACTION ATMOSPHERIQUE @fr
pref label: RIFRAZIONE ATMOSFERICA @it
related: ActiveOptics
related: AdaptiveOptics
related: AtmosphericScintillation
related: PointSpreadFunction
related: RefractiveIndex
related: Scintillation
related: Seeing
related: Speckles

AtmosphericScattering
type: Concept
pref label: ATMOSPHAERISCHE STREUUNG @de
pref label: ATMOSPHERIC SCATTERING @en
pref label: DIFFUSION ATMOSPHERIQUE @fr
pref label: DIFFUSIONE ATMOSFERICA @it
pref label: DISPERCION ATMOSFERICA
related: Absorption
related: EarthAtmosphere

AtmosphericScintillation
type: Concept
alt label: Blinken @de
alt label: parpadeo
alt label: scintillation @fr
alt label: scintillazione @it
alt label: twinkling @en
broader: Scintillation
pref label: ATMOSPHAERISCHE SZINTILLATION @de
pref label: ATMOSPHERIC SCINTILLATION @en
pref label: CENTELLEO ATMOSFERICO
pref label: SCINTILLATION ATMOSPHERIQUE @fr
pref label: SCINTILLAZIONE ATMOSFERICA @it
related: AtmosphericRefraction
related: EarthAtmosphere
related: Seeing

AtmosphericTides
type: Concept
broader: Tides
pref label: ATMOSPHAERISCHE GEZEITEN @de
pref label: ATMOSPHERIC TIDES @en
pref label: MAREAS ATMOSFERICAS
pref label: MAREE ATMOSFERICHE @it
pref label: MAREE ATMOSPHERIQUE @fr

AtmosphericWindows
type: Concept
broader: Windows
narrower: InfraredWindows
narrower: OpticalWindows
narrower: RadioWindows
pref label: ATMOSPHAERISCHE FENSTER @de
pref label: ATMOSPHERIC WINDOWS @en
pref label: FENETRE ATMOSPHERIQUE @fr
pref label: FINESTRE ATMOSFERICHE @it
pref label: VENTANAS ATMOSFERICAS
related: Absorption
related: AtmosphericExtinction
related: EarthAtmosphere
related: Transparency
scope note: Spectral ranges transmitted by the earth's atmosphere.

AtomicClocks
type: Concept
alt label: Caesium-Uhren @de
alt label: cesium clocks @en
alt label: horloge au cesium @fr
alt label: orologi al cesio @it
alt label: relojes de cesio
broader: Clocks
broader: MeasuringInstruments
pref label: ATOMIC CLOCKS @en
pref label: ATOMUHREN @de
pref label: HORLOGE ATOMIQUE @fr
pref label: OROLOGI ATOMICI @it
pref label: RELOJES ATOMICOS
related: AtomicTime
related: Geodesy
related: Time
related: TimeStandards
related: TimeSynchronization
related: VeryLongBaselineInterferometry

AtomicLines
type: Concept
pref label: ATOMIC LINES @en
pref label: ATOMLINIEN @de
pref label: LINEAS ATOMICAS
pref label: RAIE ATOMIQUE @fr
pref label: RIGHE ATOMICHE @it
related: AtomicSpectra

AtomicPhysics
type: Concept
pref label: ATOMIC PHYSICS @en
pref label: ATOMPHYSIK @de
pref label: FISICA ATOMICA
pref label: PHYSIQUE ATOMIQUE @fr
scope note: Combine with other terms

AtomicProcesses
type: Concept
pref label: ATOMARE PROZESSE @de
pref label: ATOMIC PROCESSES @en
pref label: PROCESOS ATOMICOS
pref label: PROCESSI ATOMICI @it
pref label: PROCESSUS ATOMIQUE @fr
related: AbsorptionLines
related: EmissionLines
related: Excitation
related: PopulationInversion

AtomicSpectra
type: Concept
broader: AbsorptionSpectra
broader: Spectra
pref label: ATOMIC SPECTRA @en
pref label: ATOMSPEKTREN @de
pref label: ESPECTROS ATOMICOS
pref label: SPECTRE ATOMIQUE @fr
pref label: SPETTRI ATOMICI @it
related: AtomicLines

AtomicTime
type: Concept
pref label: ATOMIC TIME @en
pref label: ATOMZEIT @de
pref label: TEMPO ATOMICO @it
pref label: TEMPS ATOMIQUE @fr
pref label: TIEMPO ATOMICO
related: AtomicClocks

Atoms
type: Concept
pref label: ATOME @de
pref label: ATOMI @it
pref label: ATOMOS
pref label: ATOMS @en
related: ChemicalElements

Attenuation
type: Concept
pref label: ABSCHWAECHUNG @de
pref label: ATENUACION
pref label: ATTENUATION @fr
pref label: ATTENUAZIONE @it
related: Filters

AuroralArcs
type: Concept
broader: Auroras
pref label: ARC AURORAL @fr
pref label: ARCHI AURORALI @it
pref label: ARCOS DE LA AURORA
pref label: AURORAL ARCS @en
pref label: POLARLICHTBOEGEN @de

AuroralJets
type: Concept
broader: Auroras
pref label: AURORAL JETS @en
pref label: CHORROS DE LA AURORA
pref label: GETTI AURORALI @it
pref label: JET AURORAL @fr
pref label: POLARLICHT-JETS @de

Auroras
type: Concept
broader: AtmosphericRadiation
narrower: AuroralArcs
narrower: AuroralJets
pref label: AURORA / POLARLICHTER @de
pref label: AURORAS
pref label: AURORE @it
related: Airglow
related: LightEmission
related: MagneticDisturbances
related: MagneticPoles
related: MagneticStorms
related: NightSkyBrightness
related: Photoionization
related: Rayleigh
related: SkyBrightness
related: SolarActivity
related: UpperAtmosphere

Australites
type: Concept
broader: Meteorites
broader: Tektites
pref label: AUSTRALITAS
pref label: AUSTRALITE @de
pref label: AUSTRALITES @en
pref label: AUSTRALITI @it
related: Bediasites
related: Chondrites
related: Moldavites

Autoguiders
type: Concept
broader: ControlSystems
broader: GuideSystems
pref label: APPAREIL DE GUIDAGE AUTOMATIQUE @fr
pref label: AUTOGUIAS
pref label: AUTOGUIDERS @en
pref label: AUTOMATISCHE NACHFUEHRUNGEN @de
pref label: SISTEMI DI GUIDA AUTOMATICA @it
related: AutomaticPatrolTelescopes
related: QuadrantDetectors
related: Tracking

AutomatedTelescopes
type: Concept
alt label: ferngesteuerte Teleskope @de
alt label: robotic telescopes @en
alt label: telescope robotise @fr
alt label: telescopi robotici @it
alt label: telescopios roboticos
broader: Telescopes
narrower: AutomaticPatrolTelescopes
pref label: AUTOMATED TELESCOPES @en
pref label: AUTOMATISIERTE TELESKOPE @de
pref label: TELESCOPE AUTOMATISE @fr
pref label: TELESCOPI AUTOMATICI @it
pref label: TELESCOPIOS AUTOMATIZADOS
related: RemoteControlSystems

AutomaticPatrolTelescopes
type: Concept
broader: AutomatedTelescopes
broader: OpticalTelescopes
pref label: AUTOMATIC PATROL TELESCOPES @en
pref label: AUTOMATISCHE UEBERWACHUNGSTELESKOPE @de
pref label: TELESCOPE AUTOMATIQUE @fr
pref label: TELESCOPI AUTOMATICI @it
pref label: TELESCOPIO DE PATRULLAJE AUTOMATICO
related: Autoguiders
related: Photometry
related: RemoteControlSystems

AutumnalEquinox
type: Concept
broader: Equinoxes
pref label: AUTUMNAL EQUINOX @en
pref label: EQUINOCCIO OTONAL
pref label: EQUINOXE D'AUTOMNE @fr
pref label: EQUINOZIO D'AUTUNNO @it
pref label: HERBSTPUNKT / WAAGEPUNKT @de
related: VernalEquinox

AuxiliaryInstruments
type: Concept
broader: Instrumentation
pref label: AUXILIARY INSTRUMENTS @en
pref label: HILFSINSTRUMENTE @de
pref label: INSTRUMENT AUXILIAIRE @fr
pref label: INSTRUMENTOS AUXILIARES
pref label: STRUMENTI AUSILIARI @it

AvalanchePhotodiodes
type: Concept
broader: Photodiodes
broader: PhotoelectronicDevices
pref label: AVALANCHE PHOTODIODES @en
pref label: AVALANCHE-PHOTODIODEN @de
pref label: FOTODIODI A VALANGA @it
pref label: FOTODIODOS DE AVALANCHA
pref label: PHOTODIODE A CASCADE DE PHOTONS @fr
related: Photometry

Axes
type: Concept
pref label: ACHSEN @de
pref label: ASSI @it
pref label: AXE @fr
pref label: AXES @en
pref label: EJES
scope note: Combine with other terms

Axions
type: Concept
broader: ElementaryParticles
pref label: ASSIONI @it
pref label: AXION @fr
pref label: AXIONEN @de
pref label: AXIONES
pref label: AXIONS @en

Azimuth
type: Concept
alt label: Lager @de
alt label: bearing @en
alt label: cojinete
alt label: relevement @fr
alt label: rilevamento @it
pref label: ACIMUT
pref label: AZIMUT @it
pref label: AZIMUTH @en
related: AltazimuthMounting
related: AltitudeAngle
related: Horizon
related: HorizonCoordinateSystem

BaadeWesselinkMethod
type: Concept
pref label: BAADE WESSELINK METHOD @en
pref label: BAADE-WESSELINK-METHODE @de
pref label: METHODE DE BAADE WESSELINK @fr
pref label: METODO BAADE WESSELINK
related: Cepheids
related: Diameters

Background
type: Concept
pref label: BACKGROUND @en
pref label: FOND [DE RAYONNEMENT] @fr
pref label: FONDO
pref label: HINTERGRUND @de
scope note: Combine with other terms

BackgroundNoise
type: Concept
broader: Noise
pref label: BACKGROUND NOISE @en
pref label: BRUIT DE FOND @fr
pref label: HINTERGRUNDRAUSCHEN @de
pref label: RUIDO DE FONDO
pref label: RUMORE DI FONDO @it
related: CosmicNoise
related: SignalToNoiseRatio
related: SkyNoise

BackgroundRadiation
type: Concept
alt label: Kosmische Hintergrundstrahlung @de
alt label: Strahlungshintergrund @de
alt label: cosmic background radiation @en
alt label: fondo de radiacion
alt label: fondo di radiazione @it
alt label: radiacion de fondo cosmico
alt label: radiation background @en
alt label: radiazione cosmica di fondo @it
alt label: rayonnement cosmique primordial @fr
alt label: rayonnement de fond @fr
broader: Radiation
narrower: CosmicRays
narrower: GammaRayBackground
narrower: MicrowaveBackground
narrower: RadioBackground
narrower: UltravioletBackground
narrower: XRayBackground
pref label: BACKGROUND RADIATION @en
pref label: HINTERGRUNDSTRAHLUNG @de
pref label: RADIACION DE FONDO
pref label: RADIAZIONE DI FONDO @it
pref label: RAYONNEMENT DU FOND @fr
related: Anisotropy
related: CosmicNoise
related: SkyBrightness
related: SunyaevZeldovichEffect

BaileyTypes
type: Concept
alt label: AB-veraenderliche sterne @de
alt label: ab variable stars @en
alt label: estrellas variables ab
alt label: etoile variable ab @fr
alt label: stelle variabili ab @it
broader: RrLyraeStars
pref label: BAILEY TYPES @en
pref label: BAILEYSCHE TYPEN @de
pref label: TIPI DI BAYLEY @it
pref label: TIPOS DE BAILEY
pref label: TYPE DE BAILEY @fr

BailysBeads
type: Concept
pref label: BAILYS BEADS @en
pref label: BAILYSCHE PERLEN @de
pref label: CUENTAS DE BAILYS
pref label: GRAIN DE BAILY @fr
pref label: GRANI DI BAILY @it
related: DiamondRingEffect
related: SolarEclipse
related: Sun

BakerNunnCameras
type: Concept
broader: CatadioptricSystems
broader: MeteorCameras
broader: ReflectingTelescopes
broader: WideFieldTelescopes
pref label: BAKER NUNN CAMERAS @en
pref label: BAKER-NUNN-KAMERAS @de
pref label: CAMARAS BAKER NUNN
pref label: CAMERE BAKER NUNN @it
pref label: CHAMBRE DE BAKER NUNN @fr
related: BouwersTelescopes
related: SchmidtTelescopes

BalloonBorneInstruments
type: Concept
pref label: BALLONINSTRUMENTE @de
pref label: BALLOON BORNE INSTRUMENTS @en
pref label: INSTRUMENT EMBARQUE EN BALLON @fr
pref label: INSTRUMENTOS TRANSPORTADOS EN GLOBO
pref label: STRUMENTI SU PALLONE @it
related: AirplaneBorneInstruments
related: CosmicRayAstronomy
related: GammaRayAstronomy
related: GroundBasedAstronomy
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceProbeInstruments
related: SpaceTelescopes
related: UltravioletAstronomy
related: XRayAstronomy

BalmerContinuum
type: Concept
pref label: BALMER CONTINUUM @en
pref label: BALMER-KONTINUUM @de
pref label: CONTINU DE BALMER @fr
pref label: CONTINUO DE BALMER
pref label: CONTINUO DI BALMER @it
related: BalmerSeries
related: HydrogenSpectrum

BalmerLimit
type: Concept
pref label: BALMER LIMIT @en
pref label: BALMER-GRENZE @de
pref label: LIMITE DE BALMER
pref label: LIMITE DI BALMER @it
related: BalmerSeries
related: HydrogenSpectrum

BalmerSeries
type: Concept
alt label: Balmer-Linien @de
alt label: balmer lines @en
alt label: lineas de balmer
alt label: raie de Balmer @fr
alt label: righe di balmer @it
pref label: BALMER SERIES @en
pref label: BALMER-SERIE @de
pref label: SERIE DE BALMER
pref label: SERIE DI BALMER @it
related: AbsorptionSpectra
related: BalmerContinuum
related: BalmerLimit
related: BrackettSeries
related: HAlpha
related: HBeta
related: HydrogenSpectrum
related: LymanSeries
related: PaschenSeries
related: PfundSeries

BariumStars
type: Concept
alt label: Ba II Sterne @de
alt label: Ba II stars @en
alt label: estrellas Ba II
alt label: etoile a Ba II @fr
alt label: stelle Ba II @it
narrower: SemibariumStars
pref label: BARIUM STARS @en
pref label: BARIUM-STERNE @de
pref label: ESTRELLAS DE BARIO
pref label: ETOILE A BARYUM @fr
pref label: STELLE AL BARIO @it
related: HeavyMetalStars
related: SStars

BarredSpiralGalaxies
type: Concept
alt label: Galaktische Balken @de
alt label: barras galacticas
alt label: barre des galaxies @fr
alt label: barre galattiche @it
alt label: galactic bars @en
broader: Galaxies
broader: SpiralGalaxies
pref label: BALKENSPIRAL-GALAXIEN @de
pref label: BARRED SPIRAL GALAXIES @en
pref label: GALASSIE SPIRALI BARRATE @it
pref label: GALAXIAS ESPIRALES BARRADAS
pref label: GALAXIE SPIRALE BARREE @fr

BaryonicDarkMatter
type: Concept
pref label: BARYONIC DARK MATTER @en
pref label: BARYONISCHE DUNKLE MATERIE @de
pref label: MATERIA OSCURA BARIONICA
pref label: MATIERE NOIRE BARYONIQUE @fr
related: BaryonStars
related: ColdDarkMatter

Baryons
type: Concept
broader: ElementaryParticles
pref label: BARIONES
pref label: BARIONI @it
pref label: BARYON @fr
pref label: BARYONEN @de
pref label: BARYONS @en
related: BaryonStars
related: Quarks

BaryonStars
type: Concept
pref label: BARYON STARS @en
pref label: BARYONEN-STERNE @de
pref label: ESTRELLAS DE BARIONES
pref label: ETOILE A BARYONS @fr
pref label: STELLE DI BARIONI @it
related: BaryonicDarkMatter
related: Baryons

Basins
type: Concept
pref label: BACINI @it
pref label: BASINS @en
pref label: BASSIN @fr
pref label: BECKEN / MULDEN @de
pref label: CUENCAS
related: Craters

bBand
type: Concept
broader: FraunhoferLines
broader: MolecularBands
pref label: BANDA b
pref label: BANDE b @fr
pref label: b BAND @en
pref label: b-BAND @de
related: MolecularSpectra

BDwarfStars
type: Concept
broader: BStars
broader: DwarfStars
narrower: GammaCassiopeiaeStars
pref label: B DWARF STARS @en
pref label: B-ZWERGSTERNE @de
pref label: ESTRELLAS ENANAS B
pref label: ETOILE B NAINE @fr
pref label: STELLE NANE B @it

BeamSwitching
type: Concept
pref label: BEAM SWITCHING @en
pref label: COMMUTATEUR DE FAISCEAU @fr
pref label: COMMUTAZIONE DI LOBO @it
pref label: CONMUTACION DE HAZ
pref label: STRAHLUMSCHALTUNG [prefer English?] @de
related: RadioTelescopes

BeamWaveguides
type: Concept
pref label: BEAM WAVEGUIDES @en
pref label: GUIA DE ONDAS DE HAZ
pref label: GUIDE D'ONDE DE FAISCEAU @fr
pref label: GUIDE D'ONDE DEL FASCIO @it
pref label: STRAHLWELLENLEITER @de
related: Collimators

Beamwidth
type: Concept
pref label: ANCHO DEL HAZ
pref label: BEAMWIDTH @en
pref label: LARGEUR DU LOBE @fr
pref label: LARGHEZZA DEL FASCIO @it
pref label: STRAHLBREITE @de
related: AngularResolution
related: PolarDiagram
related: RadioTelescopes

Bediasites
type: Concept
broader: Meteorites
broader: Tektites
pref label: BEDIASITAS
pref label: BEDIASITE @de
pref label: BEDIASITES @en
pref label: BEDIASITI @it
related: Australites
related: Chondrites
related: Moldavites

BesselianEpoch
type: Concept
broader: Epoch
broader: StandardEpoch
pref label: BESSELIAN EPOCH @en
pref label: BESSELSCHE EPOCHE @de
pref label: EPOCA BESSELIANA
pref label: EPOQUE DE BESSEL @fr
related: JulianEpoch
related: Time

BeStars
type: Concept
alt label: Be dwarf stars @en
alt label: Be-Zwergsterne @de
alt label: Herbig-Sterne @de
alt label: estrellas enanas be
alt label: estrellas herbig
alt label: etoile Be naine @fr
alt label: etoile de Herbig @fr
alt label: herbig stars @en
alt label: stelle di herbig @it
alt label: stelle nane Be @it
broader: BStars
broader: EarlyTypeEmissionStars
narrower: LambdaEridaniStars
pref label: Be STARS @en
pref label: Be-STERNE @de
pref label: ESTRELLAS Be
pref label: ETOILE Be @fr
pref label: STELLE Be @it
related: AeStars
related: CircumstellarShells

BetaCepheiStars
type: Concept
alt label: B Sterne mit extrem kurzer Periode @de
alt label: Beta Canis Majoris-Sterne @de
alt label: Veraenderliche mit extrem kurzer Periode @de
alt label: beta canis majoris stars @en
alt label: estrellas B de periodo ultra corto
alt label: estrellas beta canis majoris
alt label: estrellas variables de periodo ultra corto
alt label: etoile B a tres courte periode @fr
alt label: etoile variable a tres courte periode @fr
alt label: etoiles beta canis majoris @fr
alt label: stelle B a periodo ultracorto @it
alt label: stelle beta canis maioris @it
alt label: stelle variabili a periodo ultracorto @it
alt label: ultra short period B stars @en
alt label: ultra short period variable stars @en
broader: EarlyTypeVariableStars
broader: MultiperiodicVariableStars
broader: PulsatingVariableStars
broader: ShortPeriodVariableStars
pref label: BETA CEPHEI STARS @en
pref label: BETA CEPHEI-STERNE @de
pref label: ESTRELLAS BETA CEPHEI
pref label: ETOILES BETA CEPHEE @fr
pref label: STELLE BETA CEPHEI @it
related: NonradialPulsations
related: RadialPulsations

BetaLyraeStars
type: Concept
broader: CloseBinaryStars
broader: ContactBinaryStars
broader: EclipsingBinaryStars
broader: EllipsoidalVariableStars
pref label: BETA LYRAE STARS @en
pref label: BETA LYRAE-STERNE @de
pref label: ESTRELLAS BETA LIRA
pref label: ETOILES BETA LYRAE @fr
pref label: STELLE BETA LYRAE @it

BGiantStars
type: Concept
broader: BStars
broader: GiantStars
pref label: B GIANT STARS @en
pref label: B-RIESENSTERNE @de
pref label: ESTRELLAS GIGANTES B
pref label: ETOILE B GEANTE @fr
pref label: STELLE GIGANTI B @it

BianchiCosmology
type: Concept
broader: Cosmology
pref label: BIANCHI COSMOLOGY @en
pref label: BIANCHI KOSMOLOGIE @de
pref label: COSMOLOGIA DE BIANCHI
pref label: COSMOLOGIA DI BIANCHI @it
pref label: COSMOLOGIE DE BIANCHI @fr

BigBangTheory
type: Concept
broader: Cosmology
pref label: BIG BANG THEORY @en
pref label: TEORIA DE LA GRAN EXPLOSION
pref label: TEORIA DEL BIG BANG @it
pref label: THEORIE DU BIG BANG @fr
pref label: URKNALL-THEORIE @de
related: ClosedUniverse
related: EarlyUniverse
related: FriedmannUniverse
related: HadronBarrier
related: HubbleRadius
related: HubbleTime
related: LemaitreUniverse
related: OpenUniverse
related: PrimordialFireball
related: RelativisticVelocity
related: SteadyStateTheory

BinaryPulsars
type: Concept
broader: Pulsars
pref label: BINARY PULSARS @en
pref label: DOPPELPULSARE @de
pref label: PULSAR BINARIE @it
pref label: PULSAR DOUBLE @fr
pref label: PULSARES BINARIOS

BinaryStars
type: Concept
alt label: Doppelsterne @de
alt label: Doppelsysteme @de
alt label: binaire @fr
alt label: binarias
alt label: binarie @it
alt label: binaries @en
alt label: binary systems @en
alt label: double stars @en
alt label: estrellas binarias muy separadas
alt label: estrellas dobles
alt label: etoile double @fr
alt label: etoile double nonserree @fr
alt label: sistemas binarios
alt label: sistemi binari @it
alt label: stelle binarie larghe @it
alt label: stelle doppie @it
alt label: systeme binaire @fr
alt label: weit getrennte Doppelsterne @de
alt label: wide binary stars @en
narrower: AlgolVariableStars
narrower: AstrometricBinaryStars
narrower: CataclysmicVariableStars
narrower: CloseBinaryStars
narrower: ContactBinaryStars
narrower: DetachedBinaryStars
narrower: EclipsingBinaryStars
narrower: EllipsoidalVariableStars
narrower: EruptiveBinaryStars
narrower: InteractingBinaryStars
narrower: RsCanumVenaticorumStars
narrower: SemidetachedBinaryStars
narrower: SpectroscopicBinaryStars
narrower: VisualBinaryStars
pref label: BINARY STARS @en
pref label: DOPPELSTERNE @de
pref label: ESTRELLAS BINARIAS
pref label: ETOILE BINAIRE @fr
pref label: STELLE BINARIE @it
related: Accretion
related: Apocenter
related: CenterOfMass
related: CompanionStars
related: DynamicalParallax
related: Inclination
related: MassLoss
related: MassRatios
related: MultipleStars
related: Occultations
related: OrbitDetermination
related: Orbits
related: Period
related: PeriodChange
related: PeriodDetermination
related: PhaseWave
related: PositionAngle
related: RunawayStars
related: SemimajorAxis
related: Separation
related: TwoBodyProblem
related: VonZeipelTheorem
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

BipolarGalaxies
type: Concept
broader: Galaxies
pref label: BIPOLAR GALAXIES @en
pref label: BIPOLARE GALAXIEN @de
pref label: GALASSIE BIPOLARI @it
pref label: GALAXIAS BIPOLARES
pref label: GALAXIE BIPOLAIRE @fr

BipolarGroups
type: Concept
broader: SunspotGroups
pref label: BIPOLAR GROUPS @en
pref label: BIPOLARE GRUPPEN @de
pref label: GROUPE BIPOLAIRE @fr
pref label: GRUPOS BIPOLARES
pref label: GRUPPI BIPOLARI @it
related: Sunspots

BipolarNebulae
type: Concept
broader: Nebulae
pref label: BIPOLAR NEBULAE @en
pref label: BIPOLARE NEBEL @de
pref label: NEBULEUSE BIPOLAIRE @fr
pref label: NEBULOSAS BIPOLARES
pref label: NEBULOSE BIPOLARI @it
related: BipolarOutflows

BipolarOutflows
type: Concept
alt label: Bipolare Stroeme @de
alt label: bipolar flows @en
alt label: flujos bipolares
alt label: flussi bipolari @it
alt label: jet bipolaire @fr
pref label: BIPOLAR OUTFLOWS @en
pref label: BIPOLARE AUSSTROEMUNGEN @de
pref label: ECOULEMENT BIPOLAIRE @fr
pref label: EFFLUSSI BIPOLARI @it
pref label: FLUJOS BIPOLARES
related: BipolarNebulae
related: CircumstellarMatter
related: RadioSources
related: RadioStructure

BirthRates
type: Concept
pref label: BILDUNGSRATEN @de
pref label: BIRTH RATES @en
pref label: NATALIDAD
pref label: TASSI DI NASCITA @it
pref label: TAUX DE NAISSANCE @fr
related: MassFunction
related: Protostars
related: StarFormation
related: StellarEvolution

BlackBodyRadiation
type: Concept
alt label: radiacion termica de cuerpo negro
alt label: radiazione termica di corpo nero @it
alt label: rayonnement thermique du corps noir @fr
alt label: thermal black body radiation @en
alt label: thermische Schwarzkoerperstrahlung @de
broader: Radiation
pref label: BLACK BODY RADIATION @en
pref label: RADIACION DE CUERPO NEGRO
pref label: RADIAZIONE DI CORPO NERO @it
pref label: RAYONNEMENT DU CORPS NOIR @fr
pref label: SCHWARZKOERPER-STRAHLUNG @de
related: BrightnessTemperature
related: Emissivity
related: ThermalRadiation
related: UltravioletRadiation

BlackDwarfStars
type: Concept
broader: DwarfStars
broader: LowMassStars
pref label: BLACK DWARF STARS @en
pref label: ESTRELLAS ENANAS NEGRAS
pref label: ETOILE NAINE NOIRE @fr
pref label: SCHWARZE ZWERGSTERNE @de
pref label: STELLE NANE NERE @it
related: WhiteDwarfStars

BlackHoles
type: Concept
broader: CollapsedStars
broader: CompactObjects
broader: DegenerateMatter
broader: RelativisticStars
narrower: KerrBlackHole
pref label: AGUJEROS NEGROS
pref label: BLACK HOLES @en
pref label: BUCHI NERI @it
pref label: SCHWARZE LOECHER @de
pref label: TROU NOIR @fr
related: AccretionDisks
related: Ergosphere
related: EventHorizon
related: GalacticNuclei
related: GravitationalCollapse
related: GravitationalLenses
related: HawkingRadiation
related: KruskalDiagram
related: MassiveObjects
related: NakedSingularity
related: PenroseProcess
related: RelativisticAstrophysics
related: SchwarzschildRadius
related: SpacetimeSingularity
related: SupernovaRemnants
related: WhiteHoles
related: XRayBinaryStars

BlankFields
type: Concept
pref label: BLANK FIELDS @en
pref label: CAMPI VUOTI @it
pref label: CAMPOS VACIOS
pref label: CHAMP VIDE @fr
pref label: LEERE FELDER @de
related: GalaxyVoids

Blazars
type: Concept
broader: ActiveGalacticNuclei
pref label: BLAZAR @it
pref label: BLAZARE @de
pref label: BLAZARES
pref label: BLAZARS @en
related: BlLacertaeObjects
related: Quasars

BlazhkoEffect
type: Concept
pref label: BLAZHKO EFFECT @en
pref label: BLAZHKO-EFFEKT @de
pref label: EFECTO BLAZHKO
pref label: EFFET BLAZHKO @fr
pref label: EFFETTO BLAZHKO @it
related: RrLyraeStars

BlHerculisStars
type: Concept
broader: PulsatingVariableStars
broader: WVirginisStars
pref label: BL HERCULIS STARS @en
pref label: BL HERCULIS-STERNE @de
pref label: ESTRELLAS BL HERCULIS
pref label: ETOILES BL HERCULIS @fr
pref label: STELLE BL HERCULIS @it
related: Cepheids
related: RadialPulsations
related: RrLyraeStars

BlinkComparators
type: Concept
broader: Instrumentation
pref label: BLINK COMPARATORS @en
pref label: BLINKKOMPARATOREN @de
pref label: COMPARADORES DE VISION ALTERNADA
pref label: COMPARATEUR A SCINTILLEMENT @fr
pref label: COMPARATORI A VISIONE ALTERNATA @it

Blinking
type: Concept
pref label: BLINKEN @de
pref label: BLINKING @en
pref label: PARPADEO/ VISION ALTERNADA
pref label: SCINTILLEMENT @fr
pref label: VISIONE ALTERNATA @it
scope note: Combine with other terms

BlLacertaeObjects
type: Concept
alt label: bl lac objects @en
broader: CompactObjects
broader: ExtragalacticRadioSources
broader: Galaxies
broader: VariableSources
pref label: BL LACERTAE OBJECTS @en
pref label: BL LACERTAE-OBJEKTE @de
pref label: OBJET BL LACERTAE @fr
pref label: OBJETOS BL LACERTAE
pref label: OGGETTI BL LACERTAE @it
related: ActiveGalacticNuclei
related: Blazars
related: CompactGalaxies
related: Quasars
related: SeyfertGalaxies

BlueGalaxies
type: Concept
broader: BlueObjects
broader: Galaxies
pref label: BLAUE GALAXIEN @de
pref label: BLUE GALAXIES @en
pref label: GALASSIE BLU @it
pref label: GALAXIAS AZULES
pref label: GALAXIES BLEUES @fr

BlueObjects
type: Concept
narrower: BlueGalaxies
pref label: BLAUE OBJEKTE @de
pref label: BLUE OBJECTS @en
pref label: OBJET BLEU @fr
pref label: OBJETOS AZULES
pref label: OGGETTI BLU @it

BlueShift
type: Concept
broader: DopplerEffect
broader: LineShift
pref label: BLAUVERSCHIEBUNG @de
pref label: BLUE SHIFT @en
pref label: CORRIMIENTO AL AZUL
pref label: DECALAGE VERS LE BLEU @fr
pref label: SPOSTAMENTO VERSO IL BLU @it
related: FrequencyShift

BlueStragglerStars
type: Concept
broader: MainsequenceStars
broader: YoungStars
pref label: BLAUE NACHZUEGLER @de
pref label: BLUE STRAGGLER @it
pref label: BLUE STRAGGLER STARS @en
pref label: ESTRELLAS AZULES ERRANTES
pref label: TRAINARD BLEU @fr
related: OpenStarClusters

BMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: B MAGNITUDE @en
pref label: B-HELLIGKEIT @de
pref label: MAGNITUD B
pref label: MAGNITUDE B @fr
pref label: MAGNITUDINE B @it
related: JohnsonPhotometry

BodesLaw
type: Concept
alt label: Titius-Bodesche Reihe @de
alt label: legge di titius bode @it
alt label: ley de titius y bode
alt label: loi de titius bode @fr
alt label: titius bode law @en
pref label: BODES LAW @en
pref label: LEGGE DI BODE @it
pref label: LEY DE BODE
pref label: LOI DE BODE @fr
pref label: TITIUS-BODESCHE REGEL @de
related: Distance
related: Planets
related: SolarSystem

BokGlobules
type: Concept
broader: DarkNebulae
broader: Globules
broader: InterstellarMatter
pref label: BOK GLOBULES @en
pref label: BOK-GLOBULEN @de
pref label: GLOBULE DE BOK @fr
pref label: GLOBULI DI BOK @it
pref label: GLOBULOS DE BOK
related: HIiRegions
related: Protostars
related: StarFormation

Bolides
type: Concept
broader: Meteors
pref label: BOLIDE @fr
pref label: BOLIDES @en
pref label: BOLIDI @it
pref label: BOLIDOS
pref label: FEUERKUGELN / BOLIDEN @de
related: Fireballs

Bolometers
type: Concept
broader: Instrumentation
pref label: BOLOMETER @de
pref label: BOLOMETERS @en
pref label: BOLOMETRE @fr
pref label: BOLOMETRI @it
pref label: BOLOMETROS
related: BolometricCorrection
related: Photometers
related: Radiation
related: Radiometers

BolometricCorrection
type: Concept
pref label: BOLOMETRIC CORRECTION @en
pref label: BOLOMETRISCHE KORREKTION @de
pref label: CORRECCION BOLOMETRICA
pref label: CORRECTION BOLOMETRIQUE @fr
pref label: CORREZIONE BOLOMETRICA @it
related: Bolometers

BoseEinsteinNuclei
type: Concept
broader: NucleiAtoms
pref label: BOSE EINSTEIN KERNE @de
pref label: BOSE EINSTEIN NUCLEI @en
pref label: NOYAU DE BOSE EINSTEIN @fr
pref label: NUCLEI DI BOSE EINSTEIN @it
pref label: NUCLEOS DE BOSE EINSTEIN
related: BoseEinsteinStatistics
related: FermiDiracNuclei

BoseEinsteinStatistics
type: Concept
pref label: BOSE EINSTEIN STATISTICS @en
pref label: BOSE EINSTEIN STATISTIK @de
pref label: ESTADISTICA DE BOSE EINSTEIN
pref label: STATISTICA DI BOSE EINSTEIN @it
pref label: STATISTIQUE DE BOSE EINSTEIN @fr
related: BoseEinsteinNuclei
related: Bosons
related: FermiDiracStatistics

Bosons
type: Concept
broader: ElementaryParticles
broader: Particles
narrower: AlphaParticles
narrower: CompositeParticles
narrower: Mesons
narrower: Photons
narrower: Pions
pref label: BOSON @fr
pref label: BOSONEN @de
pref label: BOSONES
pref label: BOSONI @it
pref label: BOSONS @en
related: BoseEinsteinStatistics
related: Fermions
related: Hadrons
related: Leptons

BoundaryLayers
type: Concept
pref label: BOUNDARY LAYERS @en
pref label: CAPAS LIMITE
pref label: COUCHE LIMITE @fr
pref label: GRENZSCHICHTEN @de
pref label: STRATI LIMITE @it
related: Atmospheres
related: Planets

BoundFreeTransitions
type: Concept
pref label: BOUND FREE TRANSITIONS @en
pref label: GEBUNDEN-FREI-UEBERGAENGE @de
pref label: TRANSICIONES LIGADO LIBRE
pref label: TRANSITIONS LIE-LIBRE @fr
pref label: TRANSIZIONI LEGATO LIBERO @it
related: AbsorptionLines
related: AbsorptionSpectra

BouwersTelescopes
type: Concept
broader: CatadioptricSystems
broader: ReflectingTelescopes
pref label: BOUWERS TELESCOPES @en
pref label: BOUWERS-TELESKOPE @de
pref label: TELESCOPE DE BOUWERS @fr
pref label: TELESCOPI BOUWERS @it
pref label: TELESCOPIOS BOUWERS
related: BakerNunnCameras
related: MaksutovTelescopes
related: WideFieldTelescopes

BowShocks
type: Concept
broader: ShockWaves
pref label: BOW SHOCKS @en
pref label: KOPFWELLEN / STOSSWELLEN @de
pref label: ONDAS DE PROA
pref label: ONDE D'URTO DI PRUA @it
pref label: ONDE DE CHOC EN FORME D'ARC @fr

BpStars
type: Concept
broader: BStars
broader: MagneticStars
broader: PeculiarStars
pref label: Bp STARS @en
pref label: Bp-STERNE @de
pref label: ESTRELLAS Bp
pref label: ETOILE Bp @fr
pref label: STELLE Bp @it

BrackettSeries
type: Concept
broader: InfraredRadiation
pref label: BRACKETT SERIES @en
pref label: BRACKETT-SERIE @de
pref label: SERIE DE BRACKETT
pref label: SERIE DI BRACKETT @it
related: BalmerSeries
related: HydrogenSpectrum
related: LymanSeries
related: PaschenSeries
related: PfundSeries

Bremsstrahlung
type: Concept
alt label: Frei-Frei-UEbergang @de
alt label: free free transition @en
alt label: transicion libre libre
alt label: transition libre-libre @fr
alt label: transizione libero libero @it
broader: ElectromagneticWaves
broader: Radiation
pref label: BREMSSTRAHLUNG @it
pref label: BREMSSTRAHLUNG / ROYONNEMENT LIBRE-LIBRE @fr
pref label: RADIACION DE FRENADO
related: Electrons
related: RadiationMechanisms
related: Spectra
related: SynchrotronRadiation

Bridges
type: Concept
pref label: BRIDGES @en
pref label: BRUECKEN @de
pref label: PONT @fr
pref label: PONTI @it
pref label: PUENTES
scope note: Between galaxies.

BrightGalaxies
type: Concept
broader: Galaxies
pref label: BRIGHT GALAXIES @en
pref label: GALASSIE BRILLANTI @it
pref label: GALAXIAS BRILLANTES
pref label: GALAXIE BRILLANTE @fr
pref label: HELLE GALAXIEN @de
related: LocalGroupOfGalaxies
related: NearbyGalaxies

BrightNebulae
type: Concept
broader: Nebulae
pref label: BRIGHT NEBULAE @en
pref label: HELLE NEBEL @de
pref label: NEBULEUSE BRILLANTE @fr
pref label: NEBULOSAS BRILLANTES
pref label: NEBULOSE LUMINOSE @it

Brightness
type: Concept
broader: OpticalProperties
narrower: SurfaceBrightness
pref label: BRIGHTNESS @en
pref label: BRILLANCE @fr
pref label: BRILLANZA @it
pref label: BRILLO
pref label: HELLIGKEIT @de
related: Illumination
related: IntegrationTime
related: Intensity
related: Luminosity
related: Magnitudes

BrightnessDistribution
type: Concept
pref label: BRIGHTNESS DISTRIBUTION @en
pref label: DISTRIBUZIONE DI BRILLANZA @it
pref label: HELLIGKEITSVERTEILUNG @de
pref label: distribucion de brillo
pref label: distribution de la brillance @fr
scope note: See LUMINOSITY DISTRIBUTION

BrightnessTemperature
type: Concept
broader: Temperature
pref label: BRIGHTNESS TEMPERATURE @en
pref label: HELLIGKEITSTEMPERATUR @de
pref label: TEMPERATURA DE BRILLO
pref label: TEMPERATURA DI BRILLANZA @it
pref label: TEMPERATURE DE BRILLANCE @fr
related: BlackBodyRadiation
related: LuminosityDistribution
related: OpticalProperties

BrillouinScattering
type: Concept
pref label: BRILLOUIN SCATTERING @en
pref label: BRILLOUIN-STREUUNG @de
pref label: DIFFUSION DE BRILLOUIN @fr
pref label: DIFFUSIONE DI BRILLOUIN @it
pref label: DISPERSION DE BRILLOUIN
related: BrillouinSpectra
related: MieScattering

BrillouinSpectra
type: Concept
broader: Spectra
pref label: BRILLOUIN SPECTRA @en
pref label: BRILLOUIN-SPEKTREN @de
pref label: ESPECTRO DE BRILLOUIN
pref label: SPECTRE DE BRILLOUIN @fr
pref label: SPETTRI DI BRILLOUIN @it
related: BrillouinScattering
related: LightScattering

BroadBandPhotometry
type: Concept
alt label: Breitband-Photometrie @de
alt label: fotometria a banda larga @it
alt label: fotometria de banda ancha
alt label: photometrie a bande large @fr
alt label: wide band photometry @en
broader: CcdPhotometry
broader: PhotoelectricPhotometry
broader: PhotographicPhotometry
narrower: BvPhotometry
narrower: CapePhotometry
narrower: CapeRiPhotometry
narrower: InfraredPhotometry
narrower: JohnsonPhotometry
narrower: RguPhotometry
narrower: TwoColorPhotometry
narrower: UbvrijklPhotometry
narrower: UltravioletPhotometry
pref label: BREITBANDPHOTOMETRIE @de
pref label: BROAD BAND PHOTOMETRY @en
pref label: FOTOMETRIA A BANDA LARGA @it
pref label: FOTOMETRIA DE BANDA ANCHA
pref label: PHOTOMETRIE A BANDE LARGE @fr
related: MediumBandPhotometry
related: NarrowBandPhotometry

BrownDwarfStars
type: Concept
broader: DwarfStars
broader: LowMassStars
pref label: BRAUNE ZWERGSTERNE @de
pref label: BROWN DWARF STARS @en
pref label: ESTRELLAS ENANAS MARRONES
pref label: NAINE BRUNE @fr
pref label: STELLE NANE BRUNE @it

BStars
type: Concept
broader: EarlyTypeStars
broader: ObStars
broader: YoungStars
narrower: 53PerseiStars
narrower: BDwarfStars
narrower: BGiantStars
narrower: BSubdwarfStars
narrower: BSupergiantStars
narrower: BeStars
narrower: BpStars
narrower: BwStars
narrower: MercuryManganeseStars
pref label: B STARS @en
pref label: B-STERNE @de
pref label: ESTRELLAS B
pref label: ETOILE B @fr
pref label: STELLE B @it
related: EarlyTypeVariableStars
related: OClusters
related: SpectralTypes

BSubdwarfStars
type: Concept
broader: BStars
broader: SubdwarfStars
pref label: B SUBDWARF STARS @en
pref label: B-UNTERZWERGE @de
pref label: ESTRELLAS SUBENANAS B
pref label: ETOILE B SOUS NAINE @fr
pref label: STELLE SUBNANE B @it

BSupergiantStars
type: Concept
broader: BStars
broader: EarlyTypeSupergiantStars
broader: ObSupergiantStars
broader: SupergiantStars
pref label: B SUPERGIANT STARS @en
pref label: B-UEBERRIESEN @de
pref label: ESTRELLAS SUPERGIGANTES B
pref label: ETOILE B SUPERGEANTE @fr
pref label: STELLE SUPERGIGANTI B @it

Bulges
type: Concept
pref label: BULBE @fr
pref label: BULBOS
pref label: BULGE @it
pref label: BULGES @en
pref label: VERDICKUNGEN @de
scope note: Combine with other terms

Bursters
type: Concept
pref label: BURSTER @it
pref label: BURSTERS @en
pref label: OBJEKTE MIT AUSBRUECHEN @de
pref label: OBJET A SURSAUT @fr
pref label: OBJETOS CON ESTALLIDOS
related: Bursts
related: GammaRayBursts
related: OpticalBursts
related: RadioBursts
related: XRayBursts

Bursts
type: Concept
narrower: GammaRayBursts
narrower: OpticalBursts
narrower: Outbursts
narrower: RadioBursts
narrower: RapidBursts
narrower: XRayBursts
pref label: AUSBRUECHE @de
pref label: BURST @it
pref label: BURSTS @en
pref label: ESTALLIDOS
pref label: SURSAUT @fr
related: Bursters
related: Flares

ButterflyDiagram
type: Concept
pref label: BUTTERFLY DIAGRAM @en
pref label: DIAGRAMA DE MARIPOSA
pref label: DIAGRAMMA A FARFALLA @it
pref label: DIAGRAMME PAPILLON @fr
pref label: SCHMETTERLINGSDIAGRAMM @de
related: SolarActivity
related: SolarCycle
related: SunspotCycle
related: SunspotNumbers
related: Sunspots

BvPhotometry
type: Concept
broader: BroadBandPhotometry
pref label: BV PHOTOMETRY @en
pref label: BV-PHOTOMETRIE @de
pref label: FOTOMETRIA BV
pref label: PHOTOMETRIE BV @fr
related: JohnsonPhotometry
related: TwoColorPhotometry

BwStars
type: Concept
broader: BStars
broader: HeliumPoorStars
pref label: Bw STARS @en
pref label: Bw-STERNE @de
pref label: ESTRELLAS Bw
pref label: ETOILE Bw @fr
pref label: STELLE Bw @it

ByDraconisStars
type: Concept
broader: FlareStars
pref label: BY DRACONIS STARS @en
pref label: BY DRACONIS-STERNE @de
pref label: ESTRELLAS BY DRACONIS
pref label: ETOILES BY DRACONIS @fr
pref label: STELLE BY DRACONIS @it
related: Starspots

CaIiEmissionLines
type: Concept
broader: CalciumLines
broader: EmissionLines
broader: MetalLines
pref label: Ca II EMISSION LINES @en
pref label: Ca II-EMISSIONSLINIEN @de
pref label: LINEAS DE EMISION DEL Ca II
pref label: RAIE D'EMISSION DE CaII @fr
pref label: RIGHE DI EMISSIONE DEL Ca II @it
related: WilsonBappuEffect

CalciumLines
type: Concept
broader: MetalLines
broader: SpectralLines
narrower: CaIiEmissionLines
narrower: HAndKLines
narrower: KLine
pref label: CALCIUM LINES @en
pref label: KALZIUM-LINIEN @de
pref label: LINEAS DE CALCIO
pref label: RAIE DU CALCIUM @fr
pref label: RIGHE DEL CALCIO @it
related: AbsorptionLines

Calendars
type: Concept
narrower: GregorianCalendar
narrower: JulianCalendar
pref label: CALENDARI @it
pref label: CALENDARIOS
pref label: CALENDARS @en
pref label: CALENDRIER @fr
pref label: KALENDER @de
related: Ephemerides
related: Time

Calibration
type: Concept
narrower: SelfCalibrationMethods
pref label: CALIBRACION
pref label: CALIBRATION @fr
pref label: CALIBRAZIONE @it
pref label: KALIBRATION / EICHUNG @de
related: Instrumentation
related: MeasuringInstruments
related: Reseaux
scope note: Combine with other terms

CameraLenses
type: Concept
broader: Lenses
pref label: CAMERA LENSES @en
pref label: KAMERALINSEN @de
pref label: LENTI DI CAMERA @it
pref label: LENTILLE DE CHAMBRE @fr
pref label: lentes de camara
related: Cameras

Cameras
type: Concept
broader: OpticalInstruments
broader: PhotographicInstruments
narrower: AllSkyCameras
narrower: AstrographicCameras
narrower: SchmidtCameras
narrower: UltravioletCameras
pref label: CAMARAS
pref label: CAMERAS @en
pref label: CAMERE OTTICHE @it
pref label: CHAMBRE @fr
pref label: KAMERAS @de
related: AllSkyPhotography
related: CameraLenses
related: Coronagraphs
related: Photographs
related: Photography
related: UltravioletPhotography
related: WideAngleLenses
scope note: Photographic types only here.

CapePhotometry
type: Concept
alt label: UcBV photometry @en
alt label: UcBV-Photometrie @de
alt label: fotometria UcBV
alt label: photometrie UcBV @fr
broader: BroadBandPhotometry
broader: PhotometricSystems
pref label: CAPE PHOTOMETRY @en
pref label: CAPE-PHOTOMETRIE @de
pref label: FOTOMETRIA CAPE @it
pref label: FOTOMETRIA DEL CABO
pref label: PHOTOMETRIE DU CAP @fr
related: CapeRiPhotometry
related: JohnsonPhotometry
related: KapteynSelectedAreas

CapeRiPhotometry
type: Concept
broader: BroadBandPhotometry
pref label: CAPE RI PHOTOMETRY @en
pref label: CAPE-RI-PHOTOMETRIE @de
pref label: FOTOMETRIA CAPE RI
pref label: PHOTOMETRIE RI DU CAP @fr
related: CapePhotometry
related: JohnsonPhotometry

Capture
type: Concept
pref label: CAPTURA
pref label: CAPTURE @fr
pref label: CATTURA @it
pref label: EINFANG @de
related: Absorption
scope note: Combine with other terms

CarbonaceousChondrites
type: Concept
broader: Chondrites
pref label: CARBONACEOUS CHONDRITES @en
pref label: CHONDRITE CARBONEE @fr
pref label: CONDRITI CARBONACEE @it
pref label: CONDRITOS CARBONICOS
pref label: KOHLIGE CHONDRITE @de

CarbonBurning
type: Concept
broader: NuclearFusion
broader: Nucleosynthesis
pref label: CARBON BURNING @en
pref label: COMBUSTION DEL CARBONO
pref label: COMBUSTIONE DEL CARBONIO @it
pref label: FUSION DU CARBONE @fr
pref label: KOHLENSTOFFBRENNEN @de
related: CarbonFlash
related: GiantStars
related: HeliumBurning
related: HydrogenBurning
related: NuclearReactions
related: OxygenBurning
related: ShellBurning
related: SiliconBurning
related: StellarEvolution
related: StellarInteriors

CarbonCompounds
type: Concept
broader: InterstellarMolecules
narrower: CarbonDioxide
narrower: CarbonDisulfide
narrower: CarbonMonosulfide
narrower: CarbonMonoxide
narrower: Ch
narrower: Cyanoacetylene
narrower: Cyanodiacetylene
narrower: Cyanogen
narrower: Cyanopolyynes
pref label: CARBON COMPOUNDS @en
pref label: COMPOSE DU CARBONE @fr
pref label: COMPOSTI DEL CARBONIO @it
pref label: COMPUESTOS DEL CARBONO
pref label: KOHLENSTOFFVERBINDUNG @de

CarbonDioxide
type: Concept
broader: CarbonCompounds
broader: Gases
pref label: ANHIDRIDO CARBONICO
pref label: CARBON DIOXIDE @en
pref label: DIOSSIDO DI CARBONIO; UF ANIDRIDE CARBONICA @it
pref label: DIOXYDE DE CARBONE @fr
pref label: KOHLENDIOXID @de

CarbonDisulfide
type: Concept
broader: CarbonCompounds
pref label: BISULFITE DE CARBONE @fr
pref label: CARBON DISULFIDE @en
pref label: DISOLFURO DI CARBONIO @it
pref label: DISULFURO DE CARBONO
pref label: KOHLENSTOFFDISULFID @de

CarbonFlash
type: Concept
alt label: Kohlenstoffdetonation @de
alt label: carbon detonation @en
alt label: detonacion del carbono
alt label: detonation du carbone @fr
alt label: detonazione del carbonio @it
pref label: CARBON FLASH @en
pref label: DESTELLO DEL CARBONO
pref label: EXPLOSIONSARTIGES KOHLENSTOFFBRENNEN @de
pref label: FLAMBE DU CARBONE @fr
pref label: FLASH DEL CARBONIO @it
related: CarbonBurning
related: HeliumFlash
related: NuclearFusion
related: RedGiantTip

CarbonLines
type: Concept
alt label: c I Emission @de
alt label: c I emission @en
alt label: emision c I
alt label: emission C I @fr
alt label: emissione di c I @it
broader: MetalLines
broader: SpectralLines
pref label: CARBON LINES @en
pref label: KOHLENSTOFFLINIEN @de
pref label: LINEAS DE CARBONO
pref label: RAIE DU CARBONE @fr
pref label: RIGHE DEL CARBONIO @it

CarbonMonosulfide
type: Concept
broader: CarbonCompounds
pref label: CARBON MONOSULFIDE @en
pref label: KOHLENSTOFFMONOSULFID @de
pref label: MONOSOLFURO DI CARBONIO @it
pref label: MONOSULFITE DE CARBONE @fr
pref label: MONOSULFURO DE CARBONO

CarbonMonoxide
type: Concept
alt label: co
broader: CarbonCompounds
broader: Gases
pref label: CARBON MONOXIDE @en
pref label: KOHLENMONOXID @de
pref label: MONOSSIDO DI CARBONIO @it
pref label: MONOXIDO DE CARBONO
pref label: OXYDE DE CARBONE @fr
related: SwanBands

CarbonNitrogenCycle
type: Concept
alt label: CNO @fr
alt label: CNO-Zyklus @de
alt label: Kohlenstoffzyklus @de
alt label: carbon cycle @en
alt label: ciclo cno @it
alt label: ciclo de cno
alt label: ciclo del carbonio @it
alt label: ciclo del carbono
alt label: cno
alt label: cno cycle @en
alt label: cycle CNO @fr
alt label: cycle du carbone @fr
broader: HydrogenBurning
pref label: CARBON NITROGEN CYCLE @en
pref label: CICLO CARBONO NITROGENO
pref label: CICLO DEL CARBONIO AZOTO @it
pref label: CYCLE DU CARBONE / CYCLE CNO @fr
pref label: KOHLENSTOFF-STICKSTOFF-ZYKLUS @de
related: CnoAnomalies
related: NuclearFusion
related: ProtonProtonReaction
related: StellarInteriors

CarbonStars
type: Concept
alt label: C Sterne @de
alt label: c stars @en
alt label: estrellas c
alt label: etoile C @fr
alt label: stelle c @it
broader: LateTypeGiantStars
pref label: CARBON STARS @en
pref label: ESTRELLAS DE CARBONO
pref label: ETOILE CARBONEE @fr
pref label: KOHLENSTOFF-STERNE @de
pref label: STELLE AL CARBONIO @it
related: ChStars
related: CnStars
related: RStars
related: SStars
related: WolfRayetStars

CassegrainAntennas
type: Concept
alt label: Antennen mit zwei Reflektoren @de
alt label: antenas de dos reflectores
alt label: antenne a deux reflecteurs @fr
alt label: antenne a due riflettori @it
alt label: two reflector antennas @en
broader: Antennas
broader: RadioTelescopes
pref label: ANTENAS CASSEGRAIN
pref label: ANTENNE CASSEGRAIN @it
pref label: CASSEGRAIN ANTENNAS @en
pref label: CASSEGRAIN-ANTENNEN @de
related: SecondaryMirrors
related: Subreflectors

CassegrainFocus
type: Concept
alt label: Cassegrain-Spiegelteleskop @de
alt label: cassegrain telescope @en
alt label: telescope cassegrain @fr
alt label: telescopio cassegrain
broader: Focus
pref label: CASSEGRAIN FOCUS @en
pref label: CASSEGRAIN-BRENNPUNKT @de
pref label: FOCO CASSEGRAIN
pref label: FOYER CASSEGRAIN @fr
pref label: FUOCO CASSEGRAIN @it
related: CoudeFocus
related: NasmythFocus
related: NewtonianFocus
related: ParabolicAntennas
related: PrimeFocus
related: SecondaryMirrors
related: Subreflectors

CataclysmicVariableStars
type: Concept
alt label: ESTRELLAS VARIABLES ERUPTIVAS
alt label: Kataklysmische Doppelsterne @de
alt label: cataclysmic binary stars @en
alt label: eruptive Sterne @de
alt label: eruptive Veraenderliche @de
alt label: eruptive stars @en
alt label: eruptive variable stars @en
alt label: estrellas binarias cataclismicas
alt label: estrellas eruptivas
alt label: estrellas variables explosivas
alt label: etoile binaire cataclysmique @fr
alt label: etoile eruptive @fr
alt label: etoile variable eruptive @fr
alt label: etoile variable explosive @fr
alt label: explosive variable stars @en
alt label: explosive veraenderliche Sterne @de
alt label: stelle binarie cataclismiche @it
alt label: stelle eruttive @it
alt label: stelle variabili eruttive @it
alt label: stelle variabili esplosive @it
broader: BinaryStars
broader: VariableStars
narrower: Alpha2CanumVenaticorumStars
narrower: AmCanumVenaticorumStars
narrower: EruptiveBinaryStars
narrower: GammaCassiopeiaeStars
narrower: Novas
narrower: RwAurigaeStars
narrower: SsCygniStars
narrower: SuUrsaeMajorisStars
narrower: Supernovas
narrower: SxArietisStars
narrower: SymbioticStars
narrower: UGeminorumStars
narrower: UuHerculisStars
narrower: UvPerseiStars
narrower: UxUrsaeMajorisStars
narrower: WzSagittaeStars
narrower: XRayBinaryStars
narrower: ZCamelopardalisStars
pref label: CATACLYSMIC VARIABLE STARS @en
pref label: ESTRELLAS VARIABLES CATACLISMICAS
pref label: ETOILE VARIABLE CATACLYSMIQUE @fr
pref label: KATAKLYSMISCHE VERAENDERLICHE @de
pref label: STELLE VARIABILI CATACLISMICHE @it
related: Eruptions
related: InteractingBinaryStars
related: MassExchange
related: MassLoss
related: OpticalOutbursts

CatadioptricSystems
type: Concept
narrower: BakerNunnCameras
narrower: BouwersTelescopes
narrower: MaksutovTelescopes
narrower: SchmidtTelescopes
pref label: CATADIOPTRIC SYSTEMS @en
pref label: SISTEMAS CATADIOPTRICOS
pref label: SISTEMI CATADIOTTRICI @it
pref label: SPIEGELLINSENSYSTEME @de
pref label: SYSTEME CATADIOPTRIQUE @fr
related: CorrectorPlates
related: FieldCorrectors
related: Lenses
related: Mirrors
related: OpticalTelescopes

Catalogs
type: Concept
alt label: CATALOGOS
alt label: Kataloge @de
alt label: cataloghi @it
alt label: catalogue @fr
alt label: catalogues @en
narrower: AstrographicCatalogs
narrower: HenryDraperCatalog
narrower: RadioSourceCatalogs
pref label: CATALOGHI @it
pref label: CATALOGOS
pref label: CATALOGS @en
pref label: CATALOGUE @fr
pref label: KATALOGE @de
related: Atlases
related: Ephemerides
related: FindingLists
related: FkCatalogSystem
related: FundamentalStars
related: Maps
related: Nomenclature
related: SkySurveys
related: Surveys
related: UltravioletSurveys
scope note: e.g. RADIO, STAR, X RAY, etc Combine with other terms

CatastropheTheory
type: Concept
pref label: CATASTROPHE THEORY @en
pref label: KATASTROPHENTHEORIE @de
pref label: TEORIA DE CATASTROFE
pref label: TEORIA DELLE CATASTROFI @it
pref label: THEORIE DES CATASTROPHES @fr
related: MathematicalAnalysis

Cathodes
type: Concept
broader: Electrodes
narrower: Photocathodes
pref label: CATHODE @fr
pref label: CATHODES @en
pref label: CATODI @it
pref label: CATODOS
pref label: KATHODEN @de
related: PhotomultiplierTubes
related: QuantumEfficiency
related: ThermionicEmission

CatoptricSystems
type: Concept
pref label: CATOPTRIC SYSTEMS @en
pref label: KATOPTRISCHE SYSTEME @de
pref label: SISTEMAS CATOPTRICOS
pref label: SISTEMI CATOTTRICI @it
pref label: SYSTEME CATOPTRIQUE @fr
related: Mirrors
related: OpticalTelescopes

Ccd
type: Concept
pref label: CCD @de
pref label: ccd
scope note: Acroynm: CHARGE COUPLED DEVICE

CcdCameras
type: Concept
pref label: CAMARAS CCD
pref label: CAMERA CCD @fr
pref label: CAMERE CCD @it
pref label: CCD CAMERAS @en
pref label: CCD-KAMERAS @de

CcdDetectors
type: Concept
broader: MultichannelDetectors
broader: TwoDimensionalDetectors
pref label: CCD DETECTORS @en
pref label: CCD-DETEKTOREN @de
pref label: DETECTEUR CCD @fr
pref label: DETECTORES CCD
pref label: RIVELATORI CCD @it
related: CcdObservations
related: CcdPhotometry
related: ChargeCoupledDevices
related: Photometers
related: TelevisionDetectors

CcdObservations
type: Concept
pref label: CCD OBSERVATIONS @en
pref label: CCD-BEOBACHTUNGEN @de
pref label: OBSERVACIONES CCD
pref label: OBSERVATION CCD @fr
pref label: OSSERVAZIONI CCD @it
related: CcdDetectors
related: CcdPhotometry
related: ChargeCoupledDevices

CcdPhotometry
type: Concept
broader: Photometry
narrower: BroadBandPhotometry
narrower: MediumBandPhotometry
narrower: NarrowBandPhotometry
pref label: CCD PHOTOMETRY @en
pref label: CCD-PHOTOMETRIE @de
pref label: FOTOMETRIA CCD
pref label: PHOTOMETRIE CCD @fr
related: CcdDetectors
related: CcdObservations
related: ChargeCoupledDevices
related: PhotoelectricPhotometry
related: PhotographicPhotometry

cDGalaxies
type: Concept
broader: DGalaxies
broader: EllipticalGalaxies
broader: GiantGalaxies
pref label: GALASSIE cD @it
pref label: GALAXIAS cD
pref label: GALAXIE cD @fr
pref label: cD GALAXIES @en
pref label: cD-GALAXIEN @de
related: GiantRadioGalaxies
related: MassiveGalaxies
related: NucleiCelestialObjects

CelestialCoordinates
type: Concept
pref label: AEQUATORIALE KOORDINATEN @de
pref label: CELESTIAL COORDINATES @en
pref label: COORDENADAS CELESTES
pref label: COORDINATE CELESTI @it
pref label: COORDONNEE CELESTE @fr
scope note: See under COORDINATE SYSTEMS.

CelestialEquator
type: Concept
pref label: CELESTIAL EQUATOR @en
pref label: ECUADOR CELESTE
pref label: EQUATEUR CELESTE @fr
pref label: EQUATORE CELESTE @it
pref label: HIMMELSAEQUATOR @de
related: CelestialPoles
related: CelestialSphere
related: Declination
related: EquatorCorrection
related: EquatorDetermination
related: EquatorPosition
related: EquatorialCoordinateSystem
related: Equinoxes
related: ObliquityOfEcliptic
related: RightAscension

CelestialMechanics
type: Concept
pref label: CELESTIAL MECHANICS @en
pref label: HIMMELSMECHANIK @de
pref label: MECANICA CELESTE
pref label: MECANIQUE CELESTE @fr
pref label: MECCANICA CELESTE @it
related: AlignmentPlanets
related: AngularVelocity
related: Astrodynamics
related: Astrometry
related: AstronomicalConstants
related: Gravitation
related: GravitationalWaves
related: KeplerianOrbits
related: LagrangianPoints
related: LunarTheory
related: NBodyProblem
related: OrbitalElements
related: OrbitalEvolution
related: OrbitalMotions
related: OrbitalTheory
related: Orbits
related: OsculatoryElements
related: Perturbation
related: PerturbationTheory
related: PlanetaryTheory
related: Precession
related: ThreeBodyProblem
related: TwoBodyProblem

CelestialPoles
type: Concept
broader: Poles
narrower: NorthCelestialPole
narrower: SouthCelestialPole
pref label: CELESTIAL POLES @en
pref label: HIMMELSPOLE @de
pref label: POLE CELESTE @fr
pref label: POLI CELESTI @it
pref label: POLOS CELESTES
related: CelestialEquator
related: CelestialSphere
related: Equator
related: EquatorialCoordinateSystem
related: PolarAxis

CelestialSphere
type: Concept
pref label: CELESTIAL SPHERE @en
pref label: ESFERA CELESTE
pref label: HIMMELSKUGEL @de
pref label: SFERA CELESTE @it
pref label: SPHERE CELESTE @fr
related: CelestialEquator
related: CelestialPoles
related: Horizon
related: Zenith

CelsiusTemperatureScale
type: Concept
broader: TemperatureScales
pref label: CELSIUS TEMPERATURE SCALE @en
pref label: CELSIUS TEMPERATURSKALA @de
pref label: ECHELLE DE TEMPERATURE CELSIUS @fr
pref label: ESCALA DE TEMPERATURAS CELCIUS
pref label: SCALA DI TEMPERATURE CELSIUS @it
related: AbsoluteTemperatureScale
related: Kelvin
related: Temperature

Center
type: Concept
pref label: CENTER @en
pref label: CENTRE @fr
pref label: CENTRO
pref label: ZENTRUM @de
scope note: Combine with other terms

CenterOfMass
type: Concept
broader: OrbitalElements
pref label: CENTER OF MASS @en
pref label: CENTRE DE GRAVITE @fr
pref label: CENTRO DE MASA
pref label: CENTRO DI MASSA @it
pref label: SCHWERPUNKT @de
related: BinaryStars
related: Pericenter
related: Planets

CentralStars
type: Concept
pref label: CENTRAL STARS @en
pref label: ESTRELLAS CENTRALES
pref label: ETOILE CENTRALE @fr
pref label: STELLE CENTRALI @it
pref label: ZENTRALSTERNE @de
related: PlanetaryNebulae

CentrifugalForce
type: Concept
broader: Force
pref label: CENTRIFUGAL FORCE @en
pref label: FORCE CENTRIFUGE @fr
pref label: FORZA CENTRIFUGA @it
pref label: FUERZA CENTRIFUGA
pref label: ZENTRIFUGALKRAFT @de
related: CentripetalForce

CentripetalForce
type: Concept
broader: Force
pref label: CENTRIPETAL FORCE @en
pref label: FORCE CENTRIPETE @fr
pref label: FORZA CENTRIPETA @it
pref label: FUERZA CENTRIPETA
pref label: ZENTRIPETALKRAFT @de
related: CentrifugalForce

Cepheids
type: Concept
alt label: Cepheiden mit Buckel in der Lichtkurve @de
alt label: Delta Cephei-Sterne @de
alt label: Delta Cephei-Veraenderliche @de
alt label: Klassische Cepheiden @de
alt label: bump cepheids @en
alt label: cefeidas clasicas
alt label: cefeidas con protuberancias en la curva de luz
alt label: cefeidi classiche @it
alt label: cefeidi con curva di luce peculiare @it
alt label: cepheid variable stars @en
alt label: cepheide avec maximum secondaire @fr
alt label: cepheide classique @fr
alt label: classical cepheids @en
alt label: delta cephei stars @en
alt label: estrellas delta cephei
alt label: estrellas variables cefeidas
alt label: etoiles delta cephei @fr
alt label: etoiles variables delta cephee @fr
alt label: stelle delta cephei @it
alt label: stelle variabili cefeidi @it
broader: PulsatingVariableStars
narrower: DoubleModeCepheids
narrower: YoungDiskCepheids
pref label: CEFEIDAS
pref label: CEFEIDI @it
pref label: CEPHEIDE @fr
pref label: CEPHEIDEN @de
pref label: CEPHEIDS @en
related: BaadeWesselinkMethod
related: BlHerculisStars
related: DwarfCepheids
related: HeIonizationZone
related: InstabilityStrip
related: KappaMechanism
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: RadialPulsations
related: RadiusLuminosityRelation
related: RrLyraeStars
related: WVirginisStars
scope note: Most commonly used term.

CerenkovCounters
type: Concept
alt label: Cerenkov-Zaehler @de
alt label: cherenkov counters @en
alt label: compteur tcherenkov @fr
alt label: contadores de cherenkov
alt label: contatori cherenkov @it
broader: ScintillationCounters
pref label: CERENKOV COUNTERS @en
pref label: CERENKOV-ZAEHLER @de
pref label: COMPTEUR CERENKOV @fr
pref label: CONTADORES DE CERENKOV
pref label: CONTATORI CERENKOV @it
related: CerenkovRadiation
related: CosmicRays
scope note: American spelling

CerenkovRadiation
type: Concept
alt label: Cerenkov-Effekt @de
alt label: cerenkov effect @en
alt label: efecto cerenkov
alt label: effet cerenkov @fr
alt label: effetto cerenkov @it
broader: ElectromagneticWaves
broader: Radiation
pref label: CERENKOV RADIATION @en
pref label: CERENKOV-STRAHLUNG @de
pref label: RADIACION DE CERENKOV
pref label: RADIAZIONE CERENKOV @it
pref label: RAYONNEMENT CERENKOV @fr
related: CerenkovCounters
related: CosmicRays
related: GammaRays
related: NuclearRadiation
related: RadiationMechanisms
related: UltravioletRadiation
scope note: American spelling

Ch
type: Concept
broader: CarbonCompounds
broader: Hydrocarbons
broader: InterstellarMolecules
pref label: CH
scope note: Hydrated carbon

ChandlerWobble
type: Concept
alt label: Polwanderung @de
alt label: deplacement des poles @fr
alt label: migracion de los polos
alt label: migrazione dei poli @it
alt label: polar wandering @en
pref label: BAMBOLEO DE CHANDLER
pref label: CHANDLER WOBBLE @en
pref label: CHANDLER-SCHWANKUNG @de
pref label: OSCILLAZIONE DI CHANDLER @it
pref label: TOURBILLON DE CHANDLER @fr
related: EarthRotation
related: LatitudeDetermination
related: LatitudeVariation
related: PolarMotion

ChandrasekharLimit
type: Concept
pref label: CHANDRASEKHAR LIMIT @en
pref label: CHANDRASEKHAR-GRENZE @de
pref label: LIMITE DE CHANDRASEKHAR
pref label: LIMITE DI CHANDRASEKHAR @it
related: GravitationalCollapse
related: Mass
related: MassRadiusRelation
related: WhiteDwarfStars

ChandrasekharSchonbergLimit
type: Concept
alt label: LIMITE DE SCHONBERG CHANDRASEKHAR
alt label: Schoenberg-Chandrasekhar-Grenze @de
alt label: limite de schonberg chandrasekhar @fr
alt label: limite di schonberg chandrasekhar @it
alt label: schonberg chandrasekhar limit @en
pref label: CHANDRASEKHAR SCHONBERG LIMIT @en
pref label: CHANDRASEKHAR-SCHOENBERG-GRENZE @de
pref label: LIMITE DE CHANDRASEKHAR SCHONBERG
pref label: LIMITE DI CHANDRASEKHAR SCHONBERG @it
related: GravitationalCollapse
related: HydrogenBurning
related: Mass
related: StellarInteriors

ChargeCoupledDevices
type: Concept
broader: PhotoelectronicDevices
broader: SemiconductorDevices
pref label: CHARGE COUPLED DEVICES @en
pref label: DISPOSITIF A COUPLAGE DE CHARGES @fr
pref label: DISPOSITIVI A ACCOPPIAMENTO DI CARICA @it
pref label: DISPOSITIVOS DE CARGA ACOPLADA
pref label: LADUNGSGEKOPPELTE ELEMENTE @de
related: CcdDetectors
related: CcdObservations
related: CcdPhotometry
related: Detectors
related: MultichannelDetectors
related: QuantumEfficiency
related: TwoDimensionalDetectors
scope note: Use abbreviated form (CCD) when combined with other terms.

ChargeInjectionDevices
type: Concept
alt label: cid @en
broader: PhotoelectronicDevices
broader: SemiconductorDevices
pref label: CHARGE INJECTION DEVICES @en
pref label: DISPOSITIF A INJECTION DE CHARGES @fr
pref label: DISPOSITIVI A INIEZIONE DI CARICA @it
pref label: DISPOSITIVOS DI INYECCION DE CARGA
pref label: LADUNGSINJEKTIONS-ELEMENTE @de
related: Detectors
related: TwoDimensionalDetectors

ChargeTransferDevices
type: Concept
alt label: ctd
broader: PhotoelectronicDevices
broader: SemiconductorDevices
pref label: CHARGE TRANSFER DEVICES @en
pref label: DISPOSITIF A TRANSFERT DE CHARGES @fr
pref label: DISPOSITIVI A TRASFERIMENTO DI CARICA @it
pref label: DISPOSITIVOS DETRANSFERENCIA DE CARGA
pref label: LADUNGSVERSCHIEBUNGS-ELEMENTE @de
related: Detectors
related: TwoDimensionalDetectors

ChemicalComposition
type: Concept
pref label: CHEMICAL COMPOSITION @en
pref label: CHEMISCHE ZUSAMMENSETZUNG @de
pref label: COMPOSICION QUIMICA
pref label: COMPOSITION CHIMIQUE @fr
pref label: COMPOSIZIONE CHIMICA @it
related: Abundance
related: PeculiarStars

ChemicalElements
type: Concept
narrower: Deuterium
narrower: HeavyElements
narrower: Isotopes
narrower: TraceElements
pref label: CHEMICAL ELEMENTS @en
pref label: CHEMISCHE ELEMENTE @de
pref label: ELEMENT CHIMIQUE @fr
pref label: ELEMENTI CHIMICI @it
pref label: ELEMENTOS QUIMICOS
related: Abundance
related: Atoms
related: CurvesOfGrowth
related: ElementFormation
related: Origin
scope note: See Appendix.

ChemicalEvolution
type: Concept
pref label: CHEMICAL EVOLUTION @en
pref label: CHEMISCHE ENTWICKLUNG @de
pref label: EVOLUCION QUIMICA
pref label: EVOLUTION CHIMIQUE @fr
pref label: EVOLUZIONE CHIMICA @it
related: Abundance
related: StellarEvolution

Chemiluminescence
type: Concept
broader: Luminescence
pref label: CHEMILUMINESCENCE @en
pref label: CHEMILUMINESCENZA @it
pref label: CHEMILUMINESZENZ @de
pref label: CHIMIELUMINESCENCE @fr
pref label: QUIMIOLUMINISCENCIA
related: LightEmission

Chemistry
type: Concept
narrower: Cosmochemistry
pref label: CHEMIE @de
pref label: CHEMISTRY @en
pref label: CHIMICA @it
pref label: CHIMIE @fr
pref label: QUIMICA

Chondrites
type: Concept
broader: Meteorites
narrower: Achondrites
narrower: CarbonaceousChondrites
narrower: Chondrules
pref label: CHONDRITE @de
pref label: CHONDRITES @en
pref label: CONDRITAS
pref label: CONDRITI @it
related: Australites
related: Bediasites
related: Moldavites

Chondrules
type: Concept
broader: Chondrites
pref label: CHONDRULE @fr
pref label: CHONDRULEN @de
pref label: CHONDRULES @en
pref label: CONDRULI @it
pref label: CONDRULOS

ChromaticAberration
type: Concept
broader: Aberrations
pref label: ABERRACION CROMATICA
pref label: ABERRATION CHROMATIQUE @fr
pref label: ABERRAZIONE CROMATICA @it
pref label: CHROMATIC ABERRATION @en
pref label: FARBFEHLER @de
related: Astigmatism
related: Coma
related: Distortion
related: FieldCurvature
related: OpticalSystems
related: SphericalAberration

Chromosphere
type: Concept
pref label: CHROMOSPHAERE @de
pref label: CHROMOSPHERE @fr
pref label: CROMOSFERA
related: CoronalLoops
related: Faculae
related: Fibrilles
related: FilamentsSolar
related: FlashSpectrum
related: MacroSpicules
related: Mottles
related: Photosphere
related: Plages
related: Prominences
related: QuiescentProminences
related: SolarAtmosphere
related: Spicules
related: StellarAtmospheres
related: StellarWinds
related: Sun
related: TransitionRegion

Chronometers
type: Concept
alt label: CRONOGRAFO
alt label: Chronograph / Zeitschreiber @de
alt label: chronograph @en
alt label: chronographe @fr
alt label: cronografo @it
broader: Clocks
broader: MeasuringInstruments
pref label: CHRONOMETERS @en
pref label: CHRONOMETRE @fr
pref label: CRONOMETRI @it
pref label: CRONOMETROS
pref label: ZEITGEBER / CHRONOMETER @de
related: Time

ChStars
type: Concept
broader: GiantStars
pref label: CH STARS @en
pref label: CH-STERNE @de
pref label: ESTRELLAS CH
pref label: ETOILE CH @fr
pref label: STELLE CH @it
related: CarbonStars

CIiRegions
type: Concept
broader: InterstellarMatter
pref label: C II GEBIETE @de
pref label: C II REGIONS @en
pref label: REGION C II @fr
pref label: REGIONES C II
pref label: REGIONI C II @it
related: DarkClouds

CircularOrbits
type: Concept
broader: EllipticalOrbits
pref label: CIRCULAR ORBITS @en
pref label: KREISBAHNEN @de
pref label: ORBITAS CIRCULARES
pref label: ORBITE CIRCOLARI @it
pref label: ORBITE CIRCULAIRE @fr
related: HyperbolicOrbits
related: OrbitalMotions
related: ParabolicOrbits

CircularPolarization
type: Concept
broader: PolarizationWaves
pref label: CIRCULAR POLARIZATION @en
pref label: POLARISATION CIRCULAIRE @fr
pref label: POLARIZACION CIRCULAR
pref label: POLARIZZAZIONE CIRCOLARE @it
pref label: ZIRKULARE POLARISATION @de
related: PlanePolarization

CircumplanetaryMatter
type: Concept
pref label: CIRCUMPLANETARY MATTER @en
pref label: MATERIA CIRCUMPLANETARIA
pref label: MATIERE CIRCUMPLANETAIRE @fr
pref label: ZIRKUMPLANETARE MATERIE @de
related: CircumstellarMatter

CircumstellarDisks
type: Concept
broader: Disks
broader: RotatingBodies
pref label: CIRCUMSTELLAR DISKS @en
pref label: DISCHI CIRCUMSTELLARI @it
pref label: DISCOS CIRCUNESTELARES
pref label: DISQUE CIRCUMSTELLAIRE @fr
pref label: ZIRKUMSTELLARE SCHEIBEN @de
related: AccretionDisks
related: CircumstellarGas
related: CircumstellarMatter
related: MassLoss
related: Tori

CircumstellarDust
type: Concept
broader: CircumstellarGrains
broader: CircumstellarMatter
pref label: CIRCUMSTELLAR DUST @en
pref label: POLVERE CIRCUMSTELLARE @it
pref label: POLVO CIRCUNESTELAR
pref label: POUSSIERE CIRCUMSTELLAIRE @fr
pref label: ZIRKUMSTELLARER STAUB @de
related: CircumstellarGas
related: CocoonStars
related: DustShells
related: RCoronaeBorealisStars

CircumstellarEnvelopes
type: Concept
alt label: Sternhuellen @de
alt label: enveloppe stellaire @fr
alt label: envolturas estelares
alt label: inviluppi stellari @it
alt label: stellar envelopes @en
narrower: ExpandingEnvelopes
pref label: CIRCUMSTELLAR ENVELOPES @en
pref label: ENVELOPPE CIRCUMSTELLAIRE @fr
pref label: ENVOLTURAS CIRCUMESTELARES
pref label: INVILUPPI CIRCUMSTELLARI @it
pref label: ZIRKUMSTELLARE HUELLEN @de
related: CircumstellarGas
related: CircumstellarMatter
related: CircumstellarShells
related: MassLoss
related: WolfRayetStars

CircumstellarGas
type: Concept
broader: CircumstellarMatter
pref label: CIRCUMSTELLAR GAS @en
pref label: GAS CIRCUMSTELLARE @it
pref label: GAS CIRCUNESTELAR
pref label: GAZ CIRCUMSTELLAIRE @fr
pref label: ZIRKUMSTELLARES GAS @de
related: CircumstellarDisks
related: CircumstellarDust
related: CircumstellarEnvelopes
related: CircumstellarGrains
related: CircumstellarShells

CircumstellarGrains
type: Concept
broader: CircumstellarMatter
narrower: CircumstellarDust
pref label: CIRCUMSTELLAR GRAINS @en
pref label: GRAIN CIRCUMSTELLAIRE @fr
pref label: GRANI CIRCUMSTELLARI @it
pref label: GRANOS CIRCUNESTELARES
pref label: ZIRKUMSTELLARE KRISTALLKOERNER @de
related: CircumstellarGas
related: RCoronaeBorealisStars

CircumstellarMatter
type: Concept
alt label: Sternhuellen @de
alt label: Zirkumstellare Wolken @de
alt label: circumstellar clouds @en
alt label: enveloppe stellaire @fr
alt label: envolturas estelares
alt label: inviluppi stellari @it
alt label: nuage circumstellaire @fr
alt label: nubes circunestelares
alt label: nubi circumstellari @it
alt label: stellar envelopes @en
narrower: CircumstellarDust
narrower: CircumstellarGas
narrower: CircumstellarGrains
pref label: CIRCUMSTELLAR MATTER @en
pref label: MATERIA CIRCUMSTELLARE @it
pref label: MATERIA CIRCUNESTELAR
pref label: MATIERE CIRCUMSTELLAIRE @fr
pref label: ZIRKUMSTELLARE MATERIE @de
related: BipolarOutflows
related: CircumplanetaryMatter
related: CircumstellarDisks
related: CircumstellarEnvelopes
related: CircumstellarShells
related: Coronas
related: ExpandingEnvelopes
related: GravitatingDisks
related: InterplanetaryMatter
related: InterstellarMatter
related: MassLoss

CircumstellarShells
type: Concept
alt label: CASCARAS ROTANTES
alt label: Rotierende Huellen @de
alt label: Sternhuellen @de
alt label: couche en rotation @fr
alt label: enveloppe stellaire @fr
alt label: envolturas estelares
alt label: gusci rotanti @it
alt label: inviluppi stellari @it
alt label: rotating shells @en
alt label: stellar envelopes @en
broader: RotatingBodies
broader: Shells
narrower: DustShells
pref label: CASCARAS CIRCUMESTELARES
pref label: CIRCUMSTELLAR SHELLS @en
pref label: ENVELOPPE CIRCUMSTELLAIRE @fr
pref label: GUSCI CIRCUMSTELLARI @it
pref label: ZIRKUMSTELLARE HUELLEN @de
related: BeStars
related: CircumstellarEnvelopes
related: CircumstellarGas
related: CircumstellarMatter
related: ExtremeCarbonStars
related: MassLoss
related: ShellStars
related: StellarWinds

CivilTime
type: Concept
broader: Time
pref label: BUERGERLICHE ZEIT @de
pref label: CIVIL TIME @en
pref label: HORA OFICIAL
pref label: TEMPO CIVILE @it
pref label: TEMPS CIVIL @fr
related: EphemerisTime
related: MeanSolarTime
related: UniversalTime

Classification
type: Concept
narrower: LuminosityClassification
narrower: SpectralClassification
pref label: CLASIFICACION
pref label: CLASSIFICATION @fr
pref label: CLASSIFICAZIONE @it
pref label: KLASSIFIKATION @de
related: Morphology
related: Nomenclature
related: Taxonomy
scope note: Combine with other terms

CleanMethods
type: Concept
pref label: CLEAN METHODS @en
pref label: CLEAN-METHODEN @de
pref label: METHODE DE DECONVOLUTION @fr
pref label: METODI DI PULIZIA @it
pref label: METODOS DE DEPURACION
related: DataProcessing
related: ImageProcessing
related: ImageReconstruction
related: RadioAstronomy

Clocks
type: Concept
broader: MeasuringInstruments
broader: TimingEquipment
narrower: AtomicClocks
narrower: Chronometers
pref label: CLOCKS @en
pref label: HORLOGE @fr
pref label: OROLOGI @it
pref label: RELOJES
pref label: UHREN @de
related: Time
related: TimeStandards

CloseBinaryStars
type: Concept
broader: BinaryStars
narrower: AmHerculisStars
narrower: BetaLyraeStars
narrower: EllipsoidalVariableStars
narrower: SemidetachedBinaryStars
narrower: UGeminorumStars
narrower: ZAndromedaeStars
pref label: BINAIRE SERREE @fr
pref label: CLOSE BINARY STARS @en
pref label: ENGE DOPPELSTERNE @de
pref label: ESTRELLAS BINARIAS CERCANAS
pref label: STELLE BINARIE STRETTE @it
related: AccretionDisks
related: ContactBinaryStars
related: RocheLimit
related: RocheLobe
related: SynchronousRotation
related: TidalFriction
related: XRayBrightPoints

ClosedUniverse
type: Concept
broader: Cosmology
pref label: CLOSED UNIVERSE @en
pref label: GESCHLOSSENES UNIVERSUM @de
pref label: UNIVERS FERME @fr
pref label: UNIVERSO CERRADO
pref label: UNIVERSO CHIUSO @it
related: BigBangTheory
related: OpenUniverse
related: SteadyStateTheory

CloseEncounters
type: Concept
pref label: CLOSE ENCOUNTERS @en
pref label: ENCUENTROS CERCANOS
pref label: ENGE BEGEGNUNGEN @de
pref label: INCONTRI RAVVICINATI @it
pref label: PASSAGE PROCHE @fr
related: StellarDynamics

Clouds
type: Concept
narrower: CollapsingClouds
narrower: DustClouds
narrower: GasClouds
narrower: NoctilucentClouds
narrower: PlasmaClouds
pref label: CLOUDS @en
pref label: NUAGE @fr
pref label: NUBES
pref label: NUBI @it
pref label: WOLKEN @de
related: EarthAtmosphere
scope note: Combine with other terms

Clumping
type: Concept
pref label: ADDENSAMENTO @it
pref label: AGLOMERACION
pref label: AGREGAT @fr
pref label: CLUMPING @en
pref label: ZUSAMMENBALLUNG / KLUMPENBILDUNG @de
scope note: Combine with other terms

Clustering
type: Concept
pref label: ACUMULACION
pref label: CLUSTERING @it
pref label: CONDENSATION EN AMAS @fr
pref label: HAEUFUNG / HAUFENBILDUNG @de
related: ClustersOfGalaxies
related: StarClusters
scope note: Combine with other terms

ClusterRotation
type: Concept
pref label: CLUSTER ROTATION @en
pref label: HAUFEN-ROTATION @de
pref label: ROTACION DE CUMULOS
pref label: ROTATION D'AMAS @fr
pref label: ROTAZIONE D'AMMASSO @it
related: Clusters
related: ClustersOfGalaxies
related: StarClusters

Clusters
type: Concept
narrower: ClustersOfGalaxies
narrower: Protoclusters
narrower: StarClusters
pref label: AMAS @fr
pref label: AMMASSI @it
pref label: CLUSTERS @en
pref label: CUMULOS
pref label: HAUFEN @de
related: ClusterRotation

ClustersOfGalaxies
type: Concept
alt label: Galaxienhaufen @de
alt label: Haufenbildung von Galaxien @de
alt label: acumulacion de galaxias
alt label: amas de galaxies @fr
alt label: ammassi di galassie @it
alt label: clustering di galassie @it
alt label: cumulos de galaxias
alt label: galaxy clustering @en
alt label: galaxy clusters @en
alt label: repartition en amas de galaxies @fr
broader: Clusters
narrower: AbellClusters
narrower: LocalSupercluster
pref label: AMAS DE GALAXIES @fr
pref label: AMMASSI DI GALASSIE @it
pref label: CLUSTERS OF GALAXIES @en
pref label: CUMULOS DE GALAXIAS
pref label: GALAXIENHAUFEN @de
related: ClusterRotation
related: Clustering
related: DGalaxies
related: GalaxyCounts
related: GalaxyDistribution
related: GalaxyMergers
related: GreatAttractor
related: IntergalacticMatter
related: IntraclusterMatter
related: LuminosityFunction
related: MassiveGalaxies
related: MissingMass
related: MultipleGalaxies
related: Protoclusters
related: RelaxationTime
related: SunyaevZeldovichEffect
related: Superclusters
related: VelocityDispersion
related: VelocityDistribution
related: VirialTheorem

CnoAnomalies
type: Concept
pref label: ANOMALIAS CNO
pref label: ANOMALIE DEL CNO @it
pref label: ANOMALIE EN CNO @fr
pref label: CNO ANOMALIES @en
pref label: CNO-ANOMALIEN @de
related: Abundance
related: AbundanceRatios
related: CarbonNitrogenCycle
related: MetalAbundance

CnStars
type: Concept
broader: GiantStars
pref label: CN STARS @en
pref label: CN-STERNE @de
pref label: ESTRELLAS CN
pref label: ETOILE A CN @fr
pref label: STELLE CN @it
related: CarbonStars
scope note: Carbon-nitrogen stars.

Coatings
type: Concept
narrower: AluminumCoatings
narrower: AntireflectionCoatings
narrower: SilverCoatings
pref label: BESCHICHTUNGEN @de
pref label: COATINGS @en
pref label: REVESTIMIENTOS
pref label: RIVESTIMENTI @it
pref label: TRAITEMENT DE SURFACE @fr
related: Lenses
related: Mirrors
related: ThinFilms
related: VaporDeposition
scope note: Combine with other terms

CocoonStars
type: Concept
broader: InfraredSources
pref label: COCOON STARS @en
pref label: ESTRELLAS CAPULLO
pref label: ETOILE A COCON @fr
pref label: KOKONSTERNE / HUELLENSTERNE @de
pref label: stelle a bozzolo @it
related: CircumstellarDust

Coelostats
type: Concept
broader: ReflectingTelescopes
narrower: Heliostats
pref label: CELOSTATI @it
pref label: CELOSTATO
pref label: COELOSTAT @fr
pref label: COELOSTATEN @de
pref label: COELOSTATS @en
related: Drives
related: Siderostats
related: TelescopeMountings

Coherence
type: Concept
narrower: LightCoherence
pref label: COERENZA @it
pref label: COHERENCE @fr
pref label: COHERENCIA
pref label: KOHAERENZ @de
related: Lasers
related: Masers
scope note: Combine with other terms

ColdDarkMatter
type: Concept
broader: DarkMatter
pref label: COLD DARK MATTER @en
pref label: KALTE DUNKLE MATERIE @de
pref label: MATERIA FRIA OBSCURA
pref label: MATERIA OSCURA FREDDA @it
pref label: MATIERE NOIRE FROIDE @fr
related: BaryonicDarkMatter
related: Cosmology

Collapse
type: Concept
narrower: GravitationalCollapse
pref label: COLAPSO
pref label: COLLAPSE @en
pref label: COLLASSO @it
pref label: EFFONDREMENT @fr
pref label: KOLLAPS / ZUSAMMENBRUCH @de
scope note: Combine with other terms

CollapsedStars
type: Concept
alt label: collapsed objects @en
alt label: collapsing stars @en
alt label: estrellas colapsantes
alt label: etoile s'effondrant @fr
alt label: kollabierende Sterne @de
alt label: kollabierte Objekte @de
alt label: objet effondre @fr
alt label: objetos colapsados
alt label: oggetti collassati @it
alt label: stelle collassanti @it
narrower: BlackHoles
narrower: NeutronStars
narrower: Pulsars
narrower: WhiteDwarfStars
pref label: COLLAPSED STARS @en
pref label: ESTRELLAS COLAPSADAS
pref label: ETOILE EFFONDREE @fr
pref label: KOLLABIERTE STERNE @de
pref label: STELLE COLLASSATE @it
related: DegenerateStars
related: StellarEvolution

CollapsingClouds
type: Concept
broader: Clouds
narrower: ProtoplanetaryNebulas
pref label: COLLAPSING CLOUDS @en
pref label: KOLLABIERENDE WOLKEN @de
pref label: NUAGE S'EFFONDREMENT @fr
pref label: NUBES COLAPSANTES
pref label: NUBI COLLASSANTI @it
related: Protoclusters
related: Protogalaxies
related: Protostars

Collimation
type: Concept
pref label: COLIMACION
pref label: COLLIMATION @fr
pref label: COLLIMAZIONE @it
pref label: KOLLIMATION @de
related: Adjustment
related: AlignmentOptics
related: Corrections
related: Optics
related: Orientation

Collimators
type: Concept
pref label: COLIMADORES
pref label: COLLIMATEUR @fr
pref label: COLLIMATORI @it
pref label: COLLIMATORS @en
pref label: KOLLIMATOREN @de
related: BeamWaveguides
related: Lenses
related: Mirrors
related: OpticalInstruments

CollisionalExcitation
type: Concept
broader: CollisionProcesses
pref label: COLLISIONAL EXCITATION @en
pref label: ECCITAZIONE COLLISIONALE @it
pref label: EXCITACION COLISIONAL
pref label: EXCITATION COLLISIONNELLE @fr
pref label: STOSSANREGUNG @de
related: CollisionBroadening
related: CollisionSpectroscopy
related: CollisionStrengths
related: IonizedGases
related: Ions
related: Spectroscopy

CollisionalPlasmas
type: Concept
broader: Plasmas
pref label: COLLISIONAL PLASMAS @en
pref label: PLASMA COLLISIONNEL @fr
pref label: PLASMAS COLISIONALES
pref label: PLASMI COLLISIONALI @it
pref label: STOSSPLASMEN @de
related: CollisionProcesses
related: Ions
related: Shocks

CollisionBroadening
type: Concept
broader: CollisionProcesses
broader: LineBroadening
pref label: ALLARGAMENTO PER COLLISIONE @it
pref label: COLLISION BROADENING @en
pref label: ELARGISSEMENT PAR COLLISION @fr
pref label: ENSANCHAMIENTO POR COLISION
pref label: STOSSVERBREITERUNG @de
related: CollisionSpectroscopy
related: CollisionStrengths
related: CollisionalExcitation
related: SpectroscopicAnalysis

CollisionProcesses
type: Concept
narrower: CollisionBroadening
narrower: CollisionalExcitation
pref label: COLLISION PROCESSES @en
pref label: PROCESOS DE COLISION
pref label: PROCESSI COLLISIONALI @it
pref label: PROCESSUS DE COLLISION @fr
pref label: STOSSPROZESSE @de
related: CollisionStrengths
related: CollisionalPlasmas

Collisions
type: Concept
pref label: COLISIONES
pref label: COLLISION @fr
pref label: COLLISIONI @it
pref label: COLLISIONS @en
pref label: ZUSAMMENSTOESSE @de
related: Galaxies
related: Meteorites
related: Planets
scope note: Combine with other terms

CollisionSpectroscopy
type: Concept
broader: Spectroscopy
pref label: COLLISION SPECTROSCOPY @en
pref label: ESPECTROSCOPIA DE COLISION
pref label: SPECTROSCOPIE DE COLLISION @fr
pref label: SPETTROSCOPIA COLLISIONALE @it
pref label: STOSSPEKTROSKOPIE @de
related: CollisionBroadening
related: CollisionStrengths
related: CollisionalExcitation

CollisionStrengths
type: Concept
pref label: COLLISION STRENGTHS @en
pref label: FORCE COLLISIONNELLE @fr
pref label: FORZE COLLISIONALI @it
pref label: FUERZAS COLISIONALES
pref label: STOSSTAERKE @de
related: CollisionBroadening
related: CollisionProcesses
related: CollisionSpectroscopy
related: CollisionalExcitation

Color
type: Concept
broader: OpticalProperties
pref label: COLOR
pref label: COLORE @it
pref label: COULEUR @fr
pref label: FARBE @de
related: ColorEquation
related: ColorExcesses
related: ColorLuminosityRelation
related: ColorMagnitudeRelation
related: ColorPhotography
related: ColorRedshiftRelation
related: Colorimetry
related: Light
related: Photometry
related: Spectrophotometry
related: Temperature

ColorEquation
type: Concept
pref label: COLOR EQUATION @en
pref label: ECUACION DEL COLOR
pref label: EQUATION DE COULEUR @fr
pref label: EQUAZIONE DEL COLORE @it
pref label: FARBGLEICHUNG @de
related: Color
related: Photometry

ColorExcesses
type: Concept
pref label: COLOR EXCESSES @en
pref label: ECCESSI DI COLORE @it
pref label: EXCES DE COULEUR @fr
pref label: EXCESOS DE COLOR
pref label: FARBEXZESSE @de
related: Color
related: InterstellarReddening
related: Photometry

Colorimetry
type: Concept
pref label: COLORIMETRIA
pref label: COLORIMETRIE @fr
pref label: COLORIMETRY @en
pref label: KOLORIMETRIE @de
related: Color

ColorIndices
type: Concept
pref label: COLOR INDICES @en
pref label: FARBINDIZES @de
pref label: INDICE DE COULEUR @fr
pref label: INDICES DE COLOR
pref label: INDICI DI COLORE @it
related: IntrinsicColors
related: Photometry
related: TwoColorDiagrams

ColorLuminosityRelation
type: Concept
pref label: COLOR LUMINOSITY RELATION @en
pref label: FARBE-LEUCHTKRAFT-BEZIEHUNG @de
pref label: RELACION COLOR LUMINOSIDAD
pref label: RELATION COULEUR-LUMINOSITE @fr
pref label: RELAZIONE COLORE LUMINOSITA @it
related: Color
related: HertzsprungRussellDiagram
related: Photometry

ColorMagnitudeRelation
type: Concept
alt label: F-H Beziehung @de
alt label: F-H Diagramme [Farbe-Helligkeit] @de
alt label: c m diagrams @en
alt label: c m relation @en
alt label: diagramas c m
alt label: diagramme c m @fr
alt label: diagrammi c m @it
alt label: relacion c m
alt label: relation c m @fr
alt label: relazione c m @it
pref label: COLOR MAGNITUDE RELATION @en
pref label: FARBE-HELLIGKEITS-BEZIEHUNG @de
pref label: RELACION COLOR MAGNITUD
pref label: RELATION COULEUR-MAGNITUDE @fr
pref label: RELAZIONE COLORE MAGNITUDINE @it
related: Color
related: HertzsprungRussellDiagram
related: Photometry

ColorPhotography
type: Concept
broader: Photography
pref label: COLOR PHOTOGRAPHY @en
pref label: FARBPHOTOGRAPHIE @de
pref label: FOTOGRAFIA A COLORI @it
pref label: FOTOGRAFIA EN COLOR
pref label: PHOTOGRAPHIE EN COULEURS @fr
related: Color

ColorRedshiftRelation
type: Concept
pref label: COLOR REDSHIFT RELATION @en
pref label: FARBE-ROTVERSCHIEBUNGS-BEZIEHUNG @de
pref label: RELACION COLOR CORRIMIENTO AL ROJO
pref label: RELATION COULEUR-DECALAGE VERS LA ROUGE @fr
pref label: RELAZIONE COLORE REDSHIFT @it
related: Color
related: Cosmology
related: ObservationalCosmology

ColorVision
type: Concept
broader: Vision
pref label: COLOR VISION @en
pref label: FARBENSEHEN @de
pref label: VISION DES COULEURS @fr
pref label: VISION EN COLOR
pref label: VISIONE DEI COLORI @it
related: DarkAdaption

Coma
type: Concept
broader: Aberrations
pref label: COMA
pref label: COMA [aberration] @fr
pref label: KOMA @de
related: Astigmatism
related: ChromaticAberration
related: Distortion
related: FieldCurvature
related: OpticalSystems
related: SphericalAberration

Comas
type: Concept
pref label: CHIOME @it
pref label: COMAS
pref label: KOMAS @de
pref label: QUEUE [comete] @fr
related: Comets
related: Galaxies

Comets
type: Concept
narrower: AperiodicComets
narrower: KreutzSungrazers
narrower: LongPeriodComets
narrower: PeriodicComets
pref label: COMETAS
pref label: COMETE @it
pref label: COMETS @en
pref label: KOMETEN @de
related: Comas
related: DirtySnowballTheory
related: Dust
related: Envelopes
related: Halos
related: InterplanetaryMatter
related: Jets
related: MeteorStreams
related: Meteorites
related: MeteoroidDustCloud
related: Meteoroids
related: NucleiCelestialObjects
related: OortCloud
related: ParabolicOrbits
related: SolarSystem
related: Streamers
related: Tails
scope note: Named comets not included.

CompactGalaxies
type: Concept
broader: PeculiarGalaxies
pref label: COMPACT GALAXIES @en
pref label: GALASSIE COMPATTE @it
pref label: GALAXIAS COMPACTAS
pref label: GALAXIE COMPACTE @fr
pref label: KOMPAKTE GALAXIEN @de
related: ActiveGalaxies
related: BlLacertaeObjects
related: NGalaxies
related: Quasars

CompactHIiRegions
type: Concept
broader: HIiRegions
pref label: COMPACT H II REGIONS @en
pref label: KOMPAKTE HII-REGIONEN @de
pref label: REGION H II COMPACTE @fr
pref label: REGIONES H II COMPACTAS
pref label: REGIONI H II COMPATTE @it

CompactNebulae
type: Concept
broader: Nebulae
pref label: COMPACT NEBULAE @en
pref label: KOMPAKTE NEBEL @de
pref label: NEBULEUSE COMPACTE @fr
pref label: NEBULOSAS COMPACTAS
pref label: NEBULOSE COMPATTE @it

CompactNuclei
type: Concept
broader: GalacticNuclei
broader: NucleiCelestialObjects
narrower: SeyfertNuclei
pref label: COMPACT NUCLEI @en
pref label: KOMPAKTE KERNE @de
pref label: NOYAU COMPACT @fr
pref label: NUCLEI COMPATTI @it
pref label: NUCLEOS COMPACTOS
related: ActiveGalacticNuclei
related: CompactSources
related: SeyfertGalaxies

CompactObjects
type: Concept
narrower: BlLacertaeObjects
narrower: BlackHoles
narrower: CompactSources
narrower: NeutronStars
narrower: WhiteDwarfStars
pref label: COMPACT OBJECTS @en
pref label: KOMPAKTE OBJEKTE @de
pref label: OBJET COMPACT @fr
pref label: OBJETOS COMPACTOS
pref label: OGGETTI COMPATTI @it

CompactSources
type: Concept
broader: CompactObjects
broader: RadioSources
pref label: COMPACT SOURCES @en
pref label: FUENTES COMPACTAS
pref label: KOMPAKTE QUELLEN @de
pref label: SORGENTI COMPATTE @it
pref label: SOURCE COMPACTE @fr
related: CompactNuclei
related: RadioStructure

CompanionGalaxies
type: Concept
broader: Galaxies
pref label: BEGLEITER-GALAXIEN @de
pref label: COMPANION GALAXIES @en
pref label: GALASSIE COMPAGNE @it
pref label: GALAXIAS COMPAN*ERAS
pref label: GALAXIE COMPAGNON @fr
related: DoubleGalaxies
related: GroupsOfGalaxies

CompanionStars
type: Concept
pref label: BEGLEITER-STERNE @de
pref label: COMPANION STARS @en
pref label: ESTRELLAS COMPAN*ERAS
pref label: ETOILE COMPAGNON @fr
pref label: STELLE COMPAGNE @it
related: BinaryStars
related: MultipleStars

Comparison
type: Concept
pref label: COMPARACION
pref label: COMPARAISON @fr
pref label: COMPARISON @en
pref label: PARAGONE @it
pref label: VERGLEICH @de
scope note: Combine with other terms

ComparisonStars
type: Concept
pref label: COMPARISON STARS @en
pref label: ESTRELLAS DE COMPARACION
pref label: ETOILE DE COMPARAISON @fr
pref label: STELLE DI CONFRONTO @it
pref label: VERGLEICHSSTERNE @de
related: StandardStars
related: VariableStars

Components
type: Concept
pref label: COMPONENTES
pref label: COMPONENTI @it
pref label: COMPONENTS @en
pref label: COMPOSANTE @fr
pref label: KOMPONENTEN @de
scope note: Combine with other terms

CompositeParticles
type: Concept
broader: Bosons
narrower: AlphaParticles
narrower: Ions
narrower: Radicals
pref label: COMPOSITE PARTICLES @en
pref label: PARTICELLE COMPOSITE @it
pref label: PARTICULAS COMPUESTAS
pref label: PARTICULE COMPOSITE @fr
pref label: ZUSAMMENGESETZTE TEILCHEN @de

Composition
type: Concept
pref label: COMPOSICION
pref label: COMPOSITION @fr
pref label: COMPOSIZIONE @it
pref label: ZUSAMMENSETZUNG @de
related: Planets
scope note: Combine with other terms

ComptonEffect
type: Concept
pref label: COMPTON EFFECT @en
pref label: COMPTON-EFFEKT @de
pref label: EFECTO COMPTON
pref label: EFFET COMPTON @fr
pref label: EFFETTO COMPTON @it
related: Electrons
related: RadiationScattering
related: XRayScattering

ComptonScattering
type: Concept
broader: LightScattering
broader: RadiationScattering
broader: Scattering
narrower: ThomsonScattering
pref label: COMPTON SCATTERING @en
pref label: COMPTON-STREUUNG @de
pref label: DIFFUSION COMPTON @fr
pref label: DIFFUSIONE COMPTON @it
pref label: DISPERSION COMPTON
related: Electrons
related: InverseComptonScattering
related: RayleighScattering

ComputerApplications
type: Concept
narrower: ComputerSimulations
pref label: APLICACIONES DE LA COMPUTADORA
pref label: APPLICATION POUR ORDINATEUR @fr
pref label: APPLICAZIONI A CALCOLATORE @it
pref label: COMPUTER APPLICATIONS @en
pref label: RECHNERANWENDUNGEN @de

ComputerModels
type: Concept
alt label: mathematical models @en
alt label: mathematische Modelle @de
alt label: modele mathematique @fr
alt label: modelli matematici @it
alt label: modelos matematicos
broader: Models
pref label: COMPUTER MODELS @en
pref label: COMPUTERMODELLE @de
pref label: MODELE CALCULE PAR ORDINATEUR @fr
pref label: MODELLI A CALCOLATORE @it
pref label: MODELOS EN COMPUTADORA
related: ComputerPrograms
related: ComputerSimulations
related: NumericalSimulation

ComputerPrograms
type: Concept
pref label: COMPUTER PROGRAMS @en
pref label: COMPUTERPROGRAMME @de
pref label: PROGRAMAS PARA COMPUTADORA
pref label: PROGRAMME POUR ORDINATEUR @fr
pref label: PROGRAMMI PER CALCOLATORE @it
related: ComputerModels
related: ComputerSimulations
related: DataProcessing

Computers
type: Concept
narrower: Microprocessors
pref label: CALCOLATORI @it
pref label: COMPUTADORAS
pref label: COMPUTER / RECHNER @de
pref label: COMPUTERS @en
pref label: ORDINATEUR @fr
related: ControlSystems
related: DataCenters
related: DataProcessing
related: DataReduction
related: DataStorage
related: NewTechnologyTelescopes
related: Peripherals

ComputerSimulations
type: Concept
alt label: Numerische Simulationen @de
alt label: computerized simulations @en
alt label: simulaciones computorizadas
alt label: simulation par ordinateur @fr
alt label: simulazioni computerizzate @it
broader: ComputerApplications
broader: Simulation
pref label: COMPUTER SIMULATIONS @en
pref label: COMPUTERSIMULATIONEN @de
pref label: SIMULACIONES EN COMPUTADORA
pref label: SIMULATION PAR ORDINATEUR @fr
pref label: SIMULAZIONI A CALCOLATORE @it
related: ComputerModels
related: ComputerPrograms

Computing
type: Concept
pref label: CALCOLARE @it
pref label: CALCUL @fr
pref label: COMPUTACION
pref label: COMPUTING @en
pref label: RECHNEN @de
scope note: Combine with other terms

Condensation
type: Concept
pref label: CONDENSACION
pref label: CONDENSATION @fr
pref label: CONDENSAZIONE @it
pref label: KONDENSATION @de
scope note: Combine with other terms

Conduction
type: Concept
pref label: CONDUCCION
pref label: CONDUCTION @fr
pref label: CONDUZIONE @it
pref label: LEITUNG @de
related: EnergyTransfer
related: ThermalConductivity
scope note: Combine with other terms

Conjunction
type: Concept
pref label: CONGIUNZIONE @it
pref label: CONJONCTION @fr
pref label: CONJUNCION
pref label: CONJUNCTION @en
pref label: KONJUNKTION @de
related: Opposition
related: Quadrature
related: SynodicPeriod
related: Syzygy
scope note: Refers to planet positions.

Constants
type: Concept
narrower: AstronomicalConstants
narrower: CosmologicalConstant
narrower: GravitationalConstant
pref label: CONSTANTE @fr
pref label: CONSTANTES
pref label: CONSTANTS @en
pref label: COSTANTI @it
pref label: KONSTANTEN @de

Constellations
type: Concept
pref label: CONSTELACIONES
pref label: CONSTELLATION @fr
pref label: CONSTELLATIONS @en
pref label: COSTELLAZIONI @it
pref label: STERNBILD @de
related: Astrology
related: Zodiac
scope note: See Appendix.

ContactBinaryStars
type: Concept
broader: BinaryStars
narrower: BetaLyraeStars
narrower: EllipsoidalVariableStars
pref label: CONTACT BINARY STARS @en
pref label: ESTRELLAS BINARIAS DE CONTACTO
pref label: ETOILES BINAIRES EN CONTACT @fr
pref label: KONTAKT-DOPPELSTERNE @de
pref label: STELLE DOPPIE A CONTATTO @it
related: CloseBinaryStars
related: EclipsingBinaryStars
related: EquipotentialSurfaces
related: MassExchange

ContentOfGalaxies
type: Concept
pref label: CONTENIDO DE LAS GALAXIAS
pref label: CONTENT OF GALAXIES @en
pref label: CONTENU DES GALAXIES @fr
pref label: CONTENUTO DELLE GALASSIE @it
pref label: GALAXIENGEHALT @de
related: Galaxies
related: InterstellarMatter

ContinentalDrift
type: Concept
pref label: CONTINENTAL DRIFT @en
pref label: DERIVA CONTINENTAL
pref label: DERIVA DEI CONTINENTI @it
pref label: DERIVE DES CONTINENTS @fr
pref label: KONTINENTALDRIFT @de
related: Continents
related: Geomagnetism
related: Geophysics
related: Paleomagnetism

Continents
type: Concept
pref label: CONTINENT @fr
pref label: CONTINENTES
pref label: CONTINENTI @it
pref label: CONTINENTS @en
pref label: KONTINENTE @de
related: ContinentalDrift
related: Earth

Continua
type: Concept
pref label: CONTINU @fr
pref label: CONTINUA @en
pref label: CONTINUI @it
pref label: CONTINUO
pref label: KONTINUA @de
related: ContinuumRadiation
related: Spectra
scope note: Combine with other terms

ContinuousSpectra
type: Concept
broader: Spectra
pref label: CONTINUOUS SPECTRA @en
pref label: ESPECTROS CONTINUOS
pref label: KONTINUIERLICHE SPEKTREN @de
pref label: SPECTRE CONTINU @fr
pref label: SPETTRI CONTINUI @it
related: LightEmission
related: SpectroscopicAnalysis
related: Spectroscopy
related: VisibleSpectrum

ContinuumRadiation
type: Concept
broader: Radiation
narrower: UltravioletContinuum
narrower: XRayContinuum
pref label: CONTINUUM RADIATION @en
pref label: KONTINUUMSTRAHLUNG @de
pref label: RADIACION DEL CONTINUO
pref label: RADIAZIONE DEL CONTINUO @it
pref label: RAYONNEMENT CONTINU @fr
related: Continua
related: Photosphere

ContourMaps
type: Concept
broader: Maps
pref label: CARTE DELLE CURVE DI LIVELLO @it
pref label: CARTE DES COURBES DE NIVEAU @fr
pref label: CONTOUR MAPS @en
pref label: KONTUR [LINIEN] KARTEN @de
pref label: MAPAS DE CONTORNO
related: Isophotes
related: RadioStructure

Contraction
type: Concept
pref label: CONTRACCION
pref label: CONTRACTION @fr
pref label: CONTRAZIONE @it
pref label: KONTRAKTION @de
scope note: Combine with other terms

Contrast
type: Concept
pref label: CONTRAST @en
pref label: CONTRASTE
pref label: CONTRASTO @it
pref label: KONTRAST @de
scope note: Combine with other terms

ControlSystems
type: Concept
narrower: Autoguiders
narrower: RemoteControlSystems
pref label: CONTROL SYSTEMS @en
pref label: SISTEMAS DE CONTROL
pref label: SISTEMI DI CONTROLLO @it
pref label: STEUERSYSTEME / KONTROLLSYSTEME @de
pref label: SYSTEME DE CONTROLE @fr
related: Computers
related: Drives
related: GuideSystems
related: Microprocessors
related: NewTechnologyTelescopes
related: PointingAccuracy
related: PointingErrors
related: QuadrantDetectors
related: TelescopeInstrumentation
related: Telescopes
related: Tracking

Convection
type: Concept
pref label: CONVECCION
pref label: CONVECTION @fr
pref label: CONVEZIONE @it
pref label: KONVEKTION / STROEMUNG @de
related: ConvectiveEnvelopes
related: ConvectiveShells
related: ConvectiveZones
related: DredgeUp
related: EnergyTransfer
related: Envelopes
related: Granulation
related: HayashiTrack
related: LineBroadening
related: MassTransfer
related: RayleighNumber
related: ThermalInstability
related: ThermalStructure
related: TurbulenceEarthAtmosphere
related: TurbulenceStarAtmosphere

ConvectiveEnvelopes
type: Concept
pref label: CONVECTIVE ENVELOPES @en
pref label: ENVELOPPE CONVECTIVE @fr
pref label: ENVOLTURAS CONVECTIVAS
pref label: INVILUPPI CONVETTIVI @it
pref label: KONVEKTIONSHUELLEN @de
related: Convection

ConvectiveShells
type: Concept
broader: Shells
pref label: CASCARAS CONVECTIVAS
pref label: CONVECTIVE SHELLS @en
pref label: COUCHE CONVECTIVE @fr
pref label: GUSCI CONVETTIVI @it
pref label: KONVEKTIONSSCHALEN @de
related: Convection

ConvectiveZones
type: Concept
pref label: CONVECTIVE ZONES @en
pref label: KONVEKTIONSZONEN @de
pref label: ZONAS CONVECTIVAS
pref label: ZONE CONVECTIVE @fr
pref label: ZONE CONVETTIVE @it
related: Convection

Cooling
type: Concept
pref label: COOLING @en
pref label: ENFRIAMIENTO
pref label: KUEHLUNG @de
pref label: RAFFREDDAMENTO @it
pref label: REFROIDISSEMENT @fr
scope note: Combine with other terms

CoolingFlows
type: Concept
pref label: ABKUEHLUNGSSTROEMUNGEN @de
pref label: COOLING FLOWS @en
pref label: COURANT DE REFROIDISSEMENT @fr
pref label: FLUJOS DE ENFRIAMIENTO
pref label: FLUSSI DI RAFFREDDAMENTO @it
related: AccretionDisks
related: Galaxies
related: StarFormation

CoordinateSystems
type: Concept
narrower: EclipticCoordinateSystem
narrower: EquatorialCoordinateSystem
narrower: GalacticCoordinateSystem
narrower: HorizonCoordinateSystem
pref label: COORDINATE SYSTEMS @en
pref label: KOORDINATENSYSTEME @de
pref label: SISTEMAS DE COORDENADAS
pref label: SISTEMI DI COORDINATE @it
pref label: SYSTEME DE COORDONNEES @fr
related: Aberration
related: Astrometry
related: HeliocentricCorrection
related: Positions
related: ReferenceFrames
related: ReferenceSystems
related: SphericalCoordinates
related: TruePositions
scope note: Planet and satellite surface coordinates not included.

Cores
type: Concept
pref label: CORES @en
pref label: KERNE @de
pref label: NOCCIOLI @it
pref label: NOYAU / COEUR @fr
pref label: NUCLEOS
related: Earth
related: Planets
related: StellarInteriors
scope note: Combine with other terms

Coronagraphs
type: Concept
broader: Instrumentation
broader: OpticalInstruments
pref label: CORONAGRAPHS @en
pref label: CORONOGRAFI @it
pref label: CORONOGRAFOS
pref label: CORONOGRAPHE @fr
pref label: KORONOGRAPHEN @de
related: Cameras
related: SolarCorona
related: SolarObservatories
related: Spectroheliographs

CoronalHoles
type: Concept
broader: Coronas
pref label: AGUJEROS DE LA CORONA
pref label: BUCHI CORONALI @it
pref label: CORONAL HOLES @en
pref label: KORONALLOECHER @de
pref label: TROU CORONAL @fr
related: SolarCorona
related: SolarWind

CoronalLines
type: Concept
broader: Coronas
broader: EmissionLines
pref label: CORONAL LINES @en
pref label: KORONALLINIEN @de
pref label: LINEAS DE LA CORONA
pref label: RAIE CORONALE @fr
pref label: RIGHE CORONALI @it
related: SolarCorona

CoronalLoops
type: Concept
broader: Coronas
pref label: ANELLI CORONALI @it
pref label: ARCHE CORONALE @fr
pref label: CORONAL LOOPS @en
pref label: KORONA-BOEGEN @de
pref label: PROTUBERANCIAS CORONALES
related: Chromosphere
related: SolarActivity
related: SolarCorona

CoronalMassEjections
type: Concept
pref label: CORONAL MASS EJECTIONS @en
pref label: EIEZIONI CORONALI DI MASSA @it
pref label: EJECTION DE MASSE CORONALE @fr
pref label: EYECCIONES DE MASA DE LA CORONA
pref label: KORONAMATERIEAUSBRUECHE @de
related: CorpuscularEmissions
related: MassLoss
related: SolarCorona

CoronalPlumes
type: Concept
broader: Coronas
pref label: CORONAL PLUMES @en
pref label: PLUMAS CORONALES
pref label: PLUMES CORONALES @fr
pref label: POLARSTRAHLEN @de
pref label: SBUFFI CORONALI @it
related: SolarCorona

CoronalTransients
type: Concept
pref label: CORONAL TRANSIENTS @en
pref label: KORONA-TRANSIENTEN @de
pref label: PHENOMENE CORONAL TRANSITOIRE @fr
pref label: TRANSIENTES CORONALES
pref label: TRANSIENTI CORONALI @it
related: SolarCorona

Coronas
type: Concept
narrower: CoronalHoles
narrower: CoronalLines
narrower: CoronalLoops
narrower: CoronalPlumes
narrower: ECorona
narrower: FCorona
narrower: KCorona
narrower: SolarCorona
pref label: CORONAS
pref label: CORONE @it
pref label: COURONNE @fr
pref label: KORONEN @de
related: CircumstellarMatter
related: Halos
related: Ionization
related: MassLoss
related: StellarAtmospheres

CorpuscularEmissions
type: Concept
pref label: CORPUSCULAR EMISSIONS @en
pref label: EMISIONES CORPUSCULARES
pref label: EMISSION CORPUSCULAIRE @fr
pref label: EMISSIONI CORPUSCOLARI @it
pref label: KORPUSKELEMISSIONEN @de
related: CoronalMassEjections

Corrections
type: Concept
pref label: CORRECIONES
pref label: CORRECTION @fr
pref label: CORRECTIONS @en
pref label: CORREZIONI @it
pref label: KORREKTIONEN @de
related: Adjustment
related: AlignmentOptics
related: Collimation
related: Errors
related: SelectionEffects
scope note: Combine with other terms

CorrectorPlates
type: Concept
broader: Lenses
broader: OpticalComponents
pref label: CORRECTOR PLATES @en
pref label: KORREKTIONSPLATTEN @de
pref label: LAME CORRECTRICE @fr
pref label: LASTRE DI CORREZIONE @it
pref label: PLACAS CORRECTORAS
related: CatadioptricSystems
related: FieldCorrectors
related: SchmidtCameras
related: SchmidtTelescopes

Correlation
type: Concept
narrower: CrossCorrelation
pref label: CORRELACION
pref label: CORRELATION @fr
pref label: CORRELAZIONE @it
pref label: KORRELATION @de
related: Interferometry
related: Receivers
scope note: Combine with other terms

Cosmic
type: Concept
pref label: COSMIC @en
pref label: COSMICO
pref label: COSMIQUE @fr
pref label: KOSMISCH @de
scope note: Combine with other terms

CosmicAbundance
type: Concept
broader: Abundance
pref label: ABBONDANZA COSMICA @it
pref label: ABONDANCE COSMIQUE @fr
pref label: ABUNDANCIA COSMICA
pref label: COSMIC ABUNDANCE @en
pref label: KOSMISCHE HAEUFIGKEIT @de
related: Cosmology

CosmicElectrodynamics
type: Concept
broader: Electrodynamics
broader: ElectromagneticTheory
pref label: COSMIC ELECTRODYNAMICS @en
pref label: ELECTRODINAMICA COSMICA
pref label: ELECTRODYNAMIQUE COSMIQUE @fr
pref label: ELETTRODINAMICA COSMICA @it
pref label: KOSMISCHE ELEKTRODYNAMIK @de
related: Magnetohydrodynamics

CosmicNoise
type: Concept
broader: Noise
broader: RadioInterference
narrower: MicrowaveBackground
pref label: BRUIT COSMIQUE @fr
pref label: COSMIC NOISE @en
pref label: KOSMISCHES RAUSCHEN @de
pref label: RUIDO COSMICO
pref label: RUMORE COSMICO @it
related: BackgroundNoise
related: BackgroundRadiation
related: MicrowaveEmission
related: RadioBackground

CosmicRayAstronomy
type: Concept
pref label: ASTRONOMIA DE RAYOS COSMICOS
pref label: ASTRONOMIA DEI RAGGI COSMICI @it
pref label: ASTRONOMIE DES RAYONS COSMIQUES @fr
pref label: COSMIC RAY ASTRONOMY @en
pref label: KOSMISCHE STRAHLUNGSASTRONOMIE @de
related: BalloonBorneInstruments
related: HighEnergyAstrophysics
related: RocketBorneInstruments
related: SatelliteBorneInstruments

CosmicRays
type: Concept
alt label: Kosmische Strahlung @de
alt label: Milchstrassen-kosmische Strahlung @de
alt label: RAYOS COSMICOS PRIMARIOS
alt label: cosmic radiation @en
alt label: galactic cosmic rays @en
alt label: primaere kosmische Strahlen @de
alt label: primary cosmic rays @en
alt label: radiacion cosmica
alt label: radiazione cosmica @it
alt label: raggi cosmici galattici @it
alt label: raggi cosmici primari @it
alt label: rayon cosmique galactique @fr
alt label: rayon cosmique primaire @fr
alt label: rayonnement cosmique @fr
alt label: rayos cosmicos galacticos
broader: BackgroundRadiation
broader: HighEnergyRadiation
broader: Radiation
pref label: COSMIC RAYS @en
pref label: KOSMISCHE STRAHLUNG @de
pref label: RAGGI COSMICI @it
pref label: RAYONS COSMIQUES @fr
pref label: RAYOS COSMICOS
related: CerenkovCounters
related: CerenkovRadiation
related: CosmicRayShowers
related: CosmicRaySources
related: ForbushEffect
related: InverseComptonEffect
related: SecondaryCosmicRays

CosmicRayShowers
type: Concept
alt label: Auger-Schauer / Riesenschauer @de
alt label: CHUBASCOS ATMOSFERICOS
alt label: Kaskadenschauer @de
alt label: air showers @en
alt label: auger showers @en
alt label: cascade showers @en
alt label: chubascos Auger
alt label: chubascos en cascada
alt label: gerbe atmospherique @fr
alt label: gerbe d'Auger @fr
alt label: gerbe en cascade @fr
alt label: luftschauer @de
alt label: sciami a cascata @it
alt label: sciami atmosferici @it
alt label: sciami di auger @it
pref label: COSMIC RAY SHOWERS @en
pref label: KOSMISCHER STRAHLENSCHAUER @de
pref label: LLUVIAS DE RAYOS COSMICOS
pref label: PLUIE DE RAYONS COSMIQUES @fr
pref label: SCIAMI COSMICI @it
related: CosmicRays
related: PhosphorescentScintillation
related: SecondaryCosmicRays

CosmicRaySources
type: Concept
pref label: COSMIC RAY SOURCES @en
pref label: FUENTES DE RAYOS COSMICOS
pref label: HOEHENSTRAHLUNGSQUELLEN @de
pref label: SORGENTI DI RAGGI COSMICI @it
pref label: SOURCE DE RAYONS COSMIQUES @fr
related: CosmicRays

CosmicStrings
type: Concept
alt label: Filamente / strings @de
alt label: corde @fr
alt label: hebras / sartas
alt label: stringhe @it
alt label: strings @en
pref label: CORDE COSMIQUE @fr
pref label: COSMIC STRINGS @en
pref label: HEBRAS COSMICAS
pref label: KOSMISCHE STRINGS @de
pref label: STRINGHE COSMICHE @it
related: Cosmology
related: IntergalacticMatter
related: InterstellarMatter
related: LargeScaleStructure

CosmicYear
type: Concept
broader: Year
pref label: ANNEE COSMIQUE @fr
pref label: ANNO COSMICO @it
pref label: COSMIC YEAR @en
pref label: KOSMISCHES JAHR @de
pref label: ano cosmico
related: GalacticRotation

Cosmochemistry
type: Concept
alt label: ASTROCHEMIE @de
alt label: ASTROCHIMIE @fr
alt label: ASTROQUIMICA
alt label: Kosmische Chemie @de
alt label: astrochemistry @en
alt label: astrochimica @it
alt label: chimica cosmica @it
alt label: chimie cosmique @fr
alt label: cosmic chemistry @en
alt label: quimica cosmica
broader: Chemistry
pref label: COSMOCHEMISTRY @en
pref label: COSMOCHIMICA @it
pref label: COSMOCHIMIE @fr
pref label: COSMOQUIMICA
pref label: KOSMOCHEMIE @de
related: Cosmology
related: Exobiology
related: ExtraterrestrialMatter
related: InterstellarMolecules
related: MolecularAstrophysics

Cosmogony
type: Concept
broader: Astronomy
narrower: Relativity
pref label: COSMOGONIA
pref label: COSMOGONIE @fr
pref label: COSMOGONY @en
pref label: KOSMOGONIE @de
related: Cosmology
related: Protoclusters
related: Protogalaxies
related: ProtoplanetaryNebulas
related: Universe

CosmologicalConstant
type: Concept
broader: Constants
pref label: CONSTANTE COSMOLOGICA
pref label: CONSTANTE COSMOLOGIQUE @fr
pref label: COSMOLOGICAL CONSTANT @en
pref label: COSTANTE COSMOLOGICA @it
pref label: KOSMOLOGISCHE KONSTANTE @de
related: CosmologicalDistanceScale
related: Cosmology

CosmologicalDistanceScale
type: Concept
broader: DistanceScale
pref label: COSMOLOGICAL DISTANCE SCALE @en
pref label: ECHELLE DE DISTANCE COSMOLOGIQUE @fr
pref label: ESCALA DE DISTANCIA COSMOLOGICA
pref label: KOSMOLOGISCHER ENTFERNUNGSMASSTAB @de
pref label: SCALA DELLE DISTANZE COSMOLOGICHE @it
related: CosmologicalConstant
related: DecelerationParameter
related: HubbleConstant
related: ObservationalCosmology
related: Redshift
related: RedshiftDistanceRelation
related: RedshiftMagnitudeRelation

CosmologicalModels
type: Concept
pref label: COSMOLOGICAL MODELS @en
pref label: KOSMOLOGISCHE MODELLE @de
pref label: MODELE COSMOLOGIQUE @fr
pref label: MODELLI COSMOLOGICI @it
pref label: MODELOS COSMOLOGICOS
scope note: See under COSMOLOGY

Cosmology
type: Concept
broader: Astronomy
narrower: BianchiCosmology
narrower: BigBangTheory
narrower: ClosedUniverse
narrower: DeSitterUniverse
narrower: DiracCosmology
narrower: EinsteinUniverse
narrower: ExpandingUniverse
narrower: FriedmannUniverse
narrower: GoedelUniverse
narrower: HierarchicalCosmology
narrower: InflationaryUniverse
narrower: LemaitreUniverse
narrower: OpenUniverse
narrower: OscillatingUniverse
narrower: PrimordialFireball
narrower: QuantumCosmology
narrower: RelativisticCosmology
narrower: SteadyStateTheory
pref label: COSMOLOGIA
pref label: COSMOLOGIE @fr
pref label: COSMOLOGY @en
pref label: KOSMOLOGIE @de
related: AnthropicPrinciple
related: Astrophysics
related: ColdDarkMatter
related: ColorRedshiftRelation
related: CosmicAbundance
related: CosmicStrings
related: Cosmochemistry
related: Cosmogony
related: CosmologicalConstant
related: CurvatureOfSpaceTime
related: DarkMatter
related: EarlyUniverse
related: GalaxyCounts
related: GalaxyDistribution
related: GalaxyEvolution
related: GeneralTheoryOfRelativity
related: HubbleConstant
related: HubbleDiagram
related: HubbleLaw
related: HubbleRadius
related: HubbleTime
related: MissingMass
related: Protoclusters
related: Protogalaxies
related: Redshift
related: RedshiftDistanceRelation
related: RedshiftMagnitudeRelation
related: RelativisticAstrophysics
related: RelativisticVelocity
related: StellarEvolution
related: TullyFisherRelation
related: Universe
related: WhiteHoles

CoudeFocus
type: Concept
broader: Focus
pref label: COUDE FOCUS @en
pref label: COUDE-BRENNPUNKT @de
pref label: FOCO COUDE
pref label: FOYER COUDE @fr
pref label: FUOCO COUDE @it
related: CassegrainFocus
related: NasmythFocus
related: NewtonianFocus
related: PrimeFocus

CoudeSpectra
type: Concept
broader: HighResolutionSpectra
pref label: COUDE SPECTRA @en
pref label: COUDE-SPEKTREN @de
pref label: ESPECTROS COUDE
pref label: SPECTRE OBTENU AU FOYER COUDE @fr
pref label: SPETTRI COUDE @it
related: EchelleSpectrographs

CoudeSpectrographs
type: Concept
broader: Spectrographs
pref label: COUDE SPECTROGRAPHS @en
pref label: COUDE-SPEKTROGRAPHEN @de
pref label: ESPECTROGRAFOS COUDE
pref label: SPECTROGRAPHE AU FOYER COUDE @fr
pref label: SPETTROGRAFI COUDE @it
related: HighResolutionSpectra
related: HighResolutionSpectrosopy

Counters
type: Concept
alt label: Zaehlereignisse @de
alt label: conteggi @it
alt label: conteos
alt label: counts @en
alt label: impulsions @fr
broader: MeasuringInstruments
narrower: ScintillationCounters
pref label: COMPTEUR @fr
pref label: CONTADORES
pref label: CONTATORI @it
pref label: COUNTERS @en
pref label: ZAEHLER @de
related: Counting
related: DataAcquisition
related: PhotonCountingSystems

Counting
type: Concept
alt label: Zaehlereignisse @de
alt label: conteggi @it
alt label: conteos
alt label: counts @en
alt label: impulsions @fr
pref label: COMPTAGE @fr
pref label: CONTEGGI @it
pref label: CONTEO
pref label: COUNTING @en
pref label: ZAEHLUNG @de
related: Counters
related: DataAcquisition

Coupling
type: Concept
pref label: ACCOPPIAMENTO @it
pref label: ACOPLAMIENTO
pref label: COUPLAGE @fr
pref label: COUPLING @en
pref label: KOPPLUNG @de
scope note: Combine with other terms

Craters
type: Concept
narrower: ImpactCraters
pref label: CRATERE @fr
pref label: CRATERES
pref label: CRATERI @it
pref label: CRATERS @en
pref label: KRATER @de
related: Basins
related: Earth
related: Ejecta
related: Meteors
related: Moon
related: Planets
related: Volcanoes
scope note: Combine with other terms

CrossCorrelation
type: Concept
broader: Correlation
pref label: CORRELACION CRUZADA
pref label: CORRELATION CROISEE @fr
pref label: CORRELAZIONE INCROCIATA @it
pref label: CROSS CORRELATION @en
pref label: KREUZ-KORRELATION @de
related: DataProcessing

Crust
type: Concept
pref label: CORTEZA
pref label: CROSTA @it
pref label: CROUTE @fr
pref label: CRUST @en
pref label: KRUSTE @de
related: CrustalDynamics
related: Earth
related: Mantles
related: Moon
related: Planets
scope note: Combine with other terms

CrustalDynamics
type: Concept
pref label: CRUSTAL DYNAMICS @en
pref label: DINAMICA CROSTALE @it
pref label: DINAMICA DE LA CORTEZA
pref label: DYNAMIK DER ERDKRUSTE @de
pref label: DYNAMIQUE DE LA CROUTE @fr
related: Crust
related: Mantles
related: Moon

Cryogenics
type: Concept
pref label: CRIOGENIA
pref label: CRYOGENICS @en
pref label: CRYOGENIE @fr
pref label: KRYOGENIK / KAELTETECHNIK @de
related: Cryostats
related: Outgassing
related: TemperatureControl

Cryostats
type: Concept
pref label: CRIOSTATI @it
pref label: CRIOSTATOS
pref label: CRYOSTAT @fr
pref label: CRYOSTATS @en
pref label: KRYOSTATEN @de
related: Cryogenics
related: TemperatureControl

Currents
type: Concept
pref label: CORRENTI @it
pref label: CORRIENTES
pref label: COURANT @fr
pref label: CURRENTS @en
pref label: STROEME @de
related: Antennas
related: CurrentSheets
related: ElectricCurrents
scope note: Combine with other terms

CurrentSheets
type: Concept
pref label: CURRENT SHEETS @en
pref label: ESTRATOS DE CORRIENTE
pref label: FEUILLET DE COURANT @fr
pref label: STRATI DI CORRENTE @it
pref label: STROMFLAECHEN @de
related: Antennas
related: Currents
related: ElectricCurrents

CurvatureOfSpaceTime
type: Concept
pref label: COURBURE DE L'ESPACE TEMPS @fr
pref label: CURVATURA DEL ESPACIO TIEMPO
pref label: CURVATURA DELLO SPAZIO TEMPO @it
pref label: CURVATURE OF SPACE TIME @en
pref label: RAUM-ZEIT-KRUEMMUNG @de
related: Cosmology
related: GeneralTheoryOfRelativity

CurvesOfGrowth
type: Concept
pref label: COURBE DE CROISSANCE @fr
pref label: CURVAS DE CRECIMIENTO
pref label: CURVE DI CRESCITA @it
pref label: CURVES OF GROWTH @en
pref label: WACHSTUMSKURVEN @de
related: Abundance
related: ChemicalElements

Cyanoacetylene
type: Concept
broader: CarbonCompounds
pref label: CIANOACETILENE @it
pref label: CIANOACETILENO
pref label: CYANOACETYLENE @fr
pref label: ZYANAZETYLEN @de

Cyanodiacetylene
type: Concept
broader: CarbonCompounds
pref label: CIANODIACETILENE @it
pref label: CIANODIACETILENO
pref label: CYANODIACETYLENE @fr
pref label: ZYANDIAZETYLEN @de

Cyanogen
type: Concept
alt label: CN @fr
alt label: cn
broader: CarbonCompounds
pref label: CIANOGENO
pref label: CYANOGEN @en
pref label: CYANOGENE @fr
pref label: ZYAN @de

CyanogenLines
type: Concept
pref label: CYANOGEN LINES @en
pref label: LINEAS DE CIANOGENO
pref label: RAIE DU CYANOGENE @fr
pref label: RIGHE DEL CIANOGENO @it
pref label: ZYANLINIEN @de
related: AbsorptionLines

Cyanopolyynes
type: Concept
broader: CarbonCompounds
pref label: CYANOPOLYYNES @en

Cycle
type: Concept
pref label: CICLO @it
pref label: CYCLE @fr
pref label: ZYKLUS @de
pref label: ciclo
related: Period

CyclotronRadiation
type: Concept
broader: Radiation
broader: SynchrotronRadiation
pref label: CYCLOTRON RADIATION @en
pref label: RADIACION DE CICLOTRON
pref label: RADIAZIONE DI CICLOTRONE @it
pref label: RAYONNEMENT CYCLOTRON @fr
pref label: ZYKLOTRONSTRAHLUNG @de
related: RadiationMechanisms

DampingConstants
type: Concept
pref label: CONSTANTE D'AMORTISSEMENT @fr
pref label: CONSTANTES DE AMORTIGUACION
pref label: COSTANTI DI SMORZAMENTO @it
pref label: DAEMPFUNGSKONSTANTEN @de
pref label: DAMPING CONSTANTS @en
related: LineFormation
related: RadiationDamping
related: RadiativeBraking

DanjonAstrolabes
type: Concept
broader: Astrolabes
pref label: ASTROLABE DE DANJON @fr
pref label: ASTROLABI DANJON @it
pref label: ASTROLABIOS DANJON
pref label: DANJON ASTROLABES @en
pref label: DANJON-ASTROLABIUM @de

DarkAdaption
type: Concept
alt label: Netzhaut-Adaption @de
alt label: adaptacion de la retina
alt label: adaptation de la retine @fr
alt label: adattamento retinico @it
alt label: retinal adaption @en
pref label: ADAPTACION A LA OBSCURIDAD
pref label: ADAPTATION A L'OBSCURITE @fr
pref label: ADATTAMENTO ALL'OSCURITA @it
pref label: DARK ADAPTION @en
pref label: DUNKELADAPTION @de
related: ColorVision
related: Darkness
related: NightVision
related: Vision

DarkClouds
type: Concept
broader: InterstellarMatter
pref label: DARK CLOUDS @en
pref label: DUNKLEWOLKEN @de
pref label: NUAGE SOMBRE @fr
pref label: NUBES OBSCURAS
pref label: NUBI OSCURE @it
related: CIiRegions

DarkMatter
type: Concept
broader: IntergalacticMatter
broader: InterstellarMatter
narrower: ColdDarkMatter
pref label: DARK MATTER @en
pref label: DUNKLE MATERIE @de
pref label: MATERIA OBSCURA
pref label: MATERIA OSCURA @it
pref label: MATIERE NOIRE @fr
related: Cosmology
related: ElementaryParticles

DarkNebulae
type: Concept
alt label: Absorptionsnebel @de
alt label: absorption nebulae @en
alt label: nebuleuse absorbante @fr
alt label: nebulosas de absorcion
alt label: nebulose ad assorbimento @it
broader: InterstellarMatter
broader: Nebulae
narrower: BokGlobules
pref label: DARK NEBULAE @en
pref label: DUNKLE NEBEL @de
pref label: NEBULEUSE OBSCURE @fr
pref label: NEBULOSAS OBSCURAS
pref label: NEBULOSE OSCURE @it
related: Globules
related: StarFormation
related: WolfDiagram

Darkness
type: Concept
pref label: DARKNESS @en
pref label: DUNKELHEIT @de
pref label: OBSCURIDAD
pref label: OBSCURITE @fr
pref label: OSCURITA @it
related: DarkAdaption
related: DiurnalVariations
related: Light
related: OpticalProperties

Darkrooms
type: Concept
pref label: CAMERE OSCURE @it
pref label: CHAMBRE NOIRE @fr
pref label: CUARTOS OBSCUROS
pref label: DARKROOMS @en
pref label: DUNKELKAMMERN @de
related: PhotographicProcessing
related: Photography

DataAcquisition
type: Concept
pref label: ACQUISITION DE DONNEES @fr
pref label: ACQUISIZIONE DATI @it
pref label: ADQUISICION DE DATOS
pref label: DATA ACQUISITION @en
pref label: DATENERFASSUNG @de
related: Counters
related: Counting
related: DataAnalysis
related: DigitalRecorders
related: Observations
related: ObservingTechniques

DataAnalysis
type: Concept
broader: Analyses
pref label: ANALISI DEI DATI @it
pref label: ANALYSE DES DONNEES @fr
pref label: DATA ANALYSIS @en
pref label: DATENANALYSE @de
pref label: analisis de datos
related: DataAcquisition
related: DataProcessing
related: DataReduction
related: DataStorage
related: Determination

DataBases
type: Concept
pref label: BANCHE DATI @it
pref label: BANCOS DE DATOS
pref label: BASE DE DONNEES @fr
pref label: DATA BASES @en
pref label: DATENBANKEN @de
related: DataCenters
related: DataRetrieval
related: DataStorage

DataCenters
type: Concept
pref label: CENTRE DE DONNEES @fr
pref label: CENTRI DATI @it
pref label: CENTROS DE DATOS
pref label: DATA CENTERS @en
pref label: DATENZENTREN @de
related: Computers
related: DataBases
related: DataProcessing
related: DataReduction
related: DataRetrieval
related: DataStorage
related: OnLineSystems

DataProcessing
type: Concept
narrower: DataReduction
narrower: MonteCarloTechniques
narrower: NumericalAnalysis
pref label: DATA PROCESSING @en
pref label: DATENVERARBEITUNG @de
pref label: ELABORAZIONE DATI @it
pref label: PROCESAMIENTO DE DATOS
pref label: TRAITEMENT DE DONNEES @fr
related: CleanMethods
related: ComputerPrograms
related: Computers
related: CrossCorrelation
related: DataAnalysis
related: DataCenters
related: DataRetrieval
related: DataStorage
related: ErrorAnalysis
related: ObservingTechniques
related: OnLineSystems
related: ReductionMethods

DataReduction
type: Concept
broader: DataProcessing
pref label: DATA REDUCTION @en
pref label: DATENREDUKTION @de
pref label: REDUCCION DE DATOS
pref label: REDUCTION DE DONNEES @fr
pref label: RIDUZIONE DATI @it
related: Computers
related: DataAnalysis
related: DataCenters
related: DataRetrieval
related: DataStorage
related: ErrorAnalysis
related: FineAnalyses
related: ReductionMethods

DataRetrieval
type: Concept
pref label: DATA RETRIEVAL @en
pref label: DATENABRUF @de
pref label: EXTRACTION DE DONNEES @fr
pref label: RECUPERACION DE DATOS
pref label: REPERIMENTO DATI @it
related: DataBases
related: DataCenters
related: DataProcessing
related: DataReduction
related: DataStorage

DataStorage
type: Concept
pref label: ALMACENAMIENTO DE DATOS
pref label: ARCHIVIAZIONE DATI @it
pref label: DATA STORAGE @en
pref label: DATENSPEICHERUNG @de
pref label: STOCKAGE DE DONNEES @fr
related: AnalogRecorders
related: Computers
related: DataAnalysis
related: DataBases
related: DataCenters
related: DataProcessing
related: DataReduction
related: DataRetrieval

DdoPhotometry
type: Concept
broader: MediumBandPhotometry
broader: PhotometricSystems
pref label: DDO PHOTOMETRY @en
pref label: DDO-PHTOMETRIE @de
pref label: FOTOMETRIA DDO
pref label: PHOTOMETRIE DU DDO @fr

DecayOscillations
type: Concept
pref label: ABKLINGEN @de
pref label: AMORTIGUAMIENTO [OSCILACIONES]
pref label: DECAY [OSCILLATIONS] @en
pref label: DECROISSANCE [OSCILLATION] @fr
pref label: SMORZAMENTO [OSCILLAZIONI] @it
related: Amplitudes
related: Oscillations
related: RadiationDamping
scope note: Of oscillations

DecayRadioactive
type: Concept
pref label: DECADIMENTO [RADIOATTIVO] @it
pref label: DECAIMIENTO [RADIOACTIVO]
pref label: DECAY [RADIOACTIVE] @en
pref label: DESINTEGRATION [RADIOACTIVITE] @fr
pref label: ZERFALL @de
related: Radioactivity
scope note: In radioactivity.

Deceleration
type: Concept
pref label: DECELERATION @fr
pref label: DECELERAZIONE @it
pref label: DESACELERACION
pref label: VERZOEGERUNG @de
related: Acceleration
related: DecelerationParameter

DecelerationParameter
type: Concept
pref label: DECELERATION PARAMETER @en
pref label: PARAMETRE DE DECELERATION @fr
pref label: PARAMETRO DE DESACELERACION
pref label: PARAMETRO DI DECELERAZIONE @it
pref label: VERZOEGERUNGSPARAMETER @de
related: CosmologicalDistanceScale
related: Deceleration

Declination
type: Concept
pref label: DECLINACION
pref label: DECLINAISON @fr
pref label: DECLINATION @en
pref label: DECLINAZIONE @it
pref label: DEKLINATION @de
related: CelestialEquator
related: Equator
related: EquatorialCoordinateSystem
related: EquatorialZones
related: RightAscension

Deconvolution
type: Concept
pref label: DECONVOLUCION
pref label: DECONVOLUTION @fr
pref label: DECONVOLUZIONE @it
pref label: DEKONVOLUTION / ENTFALTUNG @de
scope note: Combine with other terms

Defects
type: Concept
pref label: DEFAUT @fr
pref label: DEFECTOS
pref label: DEFECTS @en
pref label: DIFETTI @it
pref label: FEHLER / DEFEKTE @de
scope note: Combine with other terms

Deformation
type: Concept
pref label: DEFORMACION
pref label: DEFORMATION @fr
pref label: DEFORMATION / VERFORMUNG @de
pref label: DEFORMAZIONE @it
scope note: Combine with other terms

DegenerateDwarfStars
type: Concept
broader: DegenerateStars
narrower: WhiteDwarfStars
pref label: DEGENERATE DWARF STARS @en
pref label: ENTARTETE ZWERGSTERNE @de
pref label: ESTRELLAS ENANAS DEGENERADAS
pref label: ETOILE NAINE DEGENEREE @fr
pref label: STELLE NANE DEGENERI @it

DegenerateMatter
type: Concept
narrower: BlackHoles
narrower: DegenerateStars
pref label: DEGENERATE MATTER @en
pref label: ENTARTETE MATERIE @de
pref label: MATERIA DEGENERADA
pref label: MATERIA DEGENERE @it
pref label: MATIERE DEGENEREE @fr

DegenerateStars
type: Concept
broader: DegenerateMatter
broader: SubluminousStars
narrower: DegenerateDwarfStars
narrower: NeutronStars
narrower: Pulsars
pref label: DEGENERATE STARS @en
pref label: ENTARTETE STERNE @de
pref label: ESTRELLAS DEGENERADAS
pref label: ETOILE DEGENEREE @fr
pref label: STELLE DEGENERI @it
related: CollapsedStars
related: MassRadiusRelation

DeltaDelphiniStars
type: Concept
broader: DeltaScutiStars
broader: PulsatingVariableStars
pref label: DELTA DELPHINI STARS @en
pref label: DELTA DELPHINI-STERNE @de
pref label: ESTRELLAS DELTA DELPHINI
pref label: ETOILES DELTA DELPHINI @fr
pref label: STELLE DELTA DELPHINI @it

DeltaScutiStars
type: Concept
alt label: Veraenderliche mit extrem kurzer Periode @de
alt label: ai velorum stars @en
alt label: estrellas variables de periodo ultra corto
alt label: etoile variable a tres courte periode @fr
alt label: stelle variabili a periodo ultracorto @it
alt label: ultra short period variable stars @en
broader: MultiperiodicVariableStars
broader: PulsatingVariableStars
broader: ShortPeriodVariableStars
narrower: DeltaDelphiniStars
pref label: DELTA SCUTI STARS @en
pref label: DELTA SCUTI-STERNE @de
pref label: ESTRELLAS DELTA SCUTI
pref label: ETOILES DELTA SCUTI @fr
pref label: STELLE DELTA SCUTI @it
related: DwarfCepheids
related: HeIonizationZone
related: KappaMechanism
related: NonradialPulsations
related: RadialPulsations

DenseClouds
type: Concept
broader: InterstellarMatter
broader: Nebulae
pref label: DENSE CLOUDS @en
pref label: DICHTE WOLKEN @de
pref label: NUAGE DENSE @fr
pref label: NUBES DENSAS
pref label: NUBI DENSE @it
related: DenseMatter

DenseMatter
type: Concept
broader: InterstellarMatter
broader: Nebulae
pref label: DENSE MATTER @en
pref label: DICHTE MATERIE @de
pref label: MATERIA DENSA
pref label: MATIERE DENSE @fr
related: DenseClouds

Densitometers
type: Concept
broader: MeasuringInstruments
pref label: DENSITOMETER @de
pref label: DENSITOMETERS @en
pref label: DENSITOMETRE @fr
pref label: DENSITOMETRI @it
pref label: DENSITOMETROS
related: Densitometry
related: Microdensitometers

Densitometry
type: Concept
pref label: DENSITOMETRIA
pref label: DENSITOMETRIE @de
pref label: DENSITOMETRY @en
related: Densitometers

Density
type: Concept
alt label: Spezifische Schwerkraft @de
alt label: densita relativa @it
alt label: gravedad especifica
alt label: gravite specifique @fr
alt label: specific gravity @en
narrower: AtmosphericDensity
narrower: ElectronDensity
narrower: GasDensity
narrower: MassDensity
pref label: DENSIDAD
pref label: DENSITA @it
pref label: DENSITE @fr
pref label: DENSITY @en
pref label: DICHTE @de
related: DensityBounded
related: DensityDistribution
related: DensityFluctuations
related: DensityPerturbation
related: DensityVariations
related: DensityWaveModel
related: RankineHugoniotRelations

DensityBounded
type: Concept
pref label: DENSITY BOUNDED @en
pref label: DICHTEBEGRENZT @de
pref label: LIMITADO POR DENSIDAD
pref label: LIMITATO IN DENSITA @it
pref label: LIMITE EN DENSITE @fr
related: Density

DensityDistribution
type: Concept
pref label: DENSITY DISTRIBUTION @en
pref label: DICHTEVERTEILUNG @de
pref label: DISTRIBUCION DE DENSIDAD
pref label: DISTRIBUTION DE LA DENSITE @fr
pref label: DISTRIBUZIONE DI DENSITA @it
related: Density

DensityFluctuations
type: Concept
pref label: DENSITY FLUCTUATIONS @en
pref label: DICHTESCHWANKUNGEN @de
pref label: FLUCTUACIONES DE DENSIDAD
pref label: FLUCTUATION DE LA DENSITE @fr
pref label: FLUTTUAZIONI DI DENSITA @it
related: Density

DensityPerturbation
type: Concept
pref label: DENSITY PERTURBATION @en
pref label: DICHTESTOERUNG @de
pref label: PERTURBACION DE DENSIDAD
pref label: PERTURBATION DE LA DENSITE @fr
pref label: PERTURBAZIONE DI DENSITA @it
related: Density

DensityVariations
type: Concept
pref label: DENSITY VARIATIONS @en
pref label: DICHTEAENDERUNGEN @de
pref label: VARIACIONES DE DENSIDAD
pref label: VARIATION DE LA DENSITE @fr
pref label: VARIAZIONI DI DENSITA @it
related: Density

DensityWaveModel
type: Concept
pref label: DENSITY WAVE MODEL @en
pref label: DICHTEWELLENMODELL @de
pref label: MODELE D'ONDE DE DENSITE @fr
pref label: MODELLO DELLE ONDE DI DENSITA @it
pref label: MODELO DE ONDAS DE DENSIDAD
related: Density

Design
type: Concept
pref label: CONCEPTION @fr
pref label: DESIGN @en
pref label: DESIGN / ENTWURF @de
pref label: DISENO
pref label: PROGETTAZIONE @it
related: Engineering
related: Research
scope note: Combine with other terms

DeSitterUniverse
type: Concept
broader: Cosmology
pref label: DE SITTER UNIVERSE @en
pref label: DE SITTER-UNIVERSUM @de
pref label: MODELE DE DE SITTER @fr
pref label: MODELLO DI DE SITTER @it
pref label: MODELO DE DE SITTER

Destruction
type: Concept
pref label: DESTRUCCION
pref label: DESTRUCTION @fr
pref label: DISTRUZIONE @it
pref label: VERNICHTUNG / ZERSTOERUNG @de
scope note: Combine with other terms

DetachedBinaryStars
type: Concept
broader: BinaryStars
narrower: WUrsaeMajorisStars
pref label: BINAIRES SEPAREES @fr
pref label: DETACHED BINARY STARS @en
pref label: ESTRELLAS BINARIAS SEPARADAS
pref label: GETRENNTE DOPPELSTERNE @de
pref label: STELLE BINARIE SEPARATE @it
related: SemidetachedBinaryStars

Detection
type: Concept
narrower: SignalDetection
pref label: DETECCION
pref label: DETECTION @fr
pref label: NACHWEIS @de
pref label: RIVELAZIONE @it
scope note: Combine with other terms

DetectorArrays
type: Concept
broader: Arrays
pref label: DETECTOR ARRAYS @en
pref label: DETEKTOR-ARRAYS @de
pref label: DISPOSITIVI DI RIVELAZIONE @it
pref label: ORDENAMIENTO DE DETECTORES
pref label: RESEAU DE DETECTEURS @fr
related: ArrayProcessors

Detectors
type: Concept
broader: Instrumentation
narrower: DustDetectors
narrower: InfraredDetectors
narrower: MultichannelDetectors
narrower: PhotographicEmulsions
narrower: PhotomultiplierTubes
narrower: Radiometers
narrower: SynchronousDetectors
narrower: TwoDimensionalDetectors
narrower: UltravioletDetectors
narrower: XRayDetectors
pref label: DETECTEUR / RECEPTEUR @fr
pref label: DETECTORES
pref label: DETECTORS @en
pref label: DETEKTOREN @de
pref label: RIVELATORI @it
related: ChargeCoupledDevices
related: ChargeInjectionDevices
related: ChargeTransferDevices
related: LimitingMagnitudes
related: Pixel
related: QuantumEfficiency
related: Receivers
related: RemoteSensing
related: SemiconductorDevices
related: Sensitivity
related: ShotNoise
related: SignalDetection
related: TelescopeInstrumentation
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

Determination
type: Concept
pref label: BESTIMMUNG @de
pref label: DETERMINATION @fr
pref label: DETERMINAZIONE @it
pref label: determinacion
related: DataAnalysis
related: Measurement
related: Quantization

Deuterium
type: Concept
broader: ChemicalElements
pref label: DEUTERIO
pref label: DEUTERIUM @fr
pref label: SCHWERER WASSERSTOFF / DEUTERIUM @de
scope note: Isotope of hydrogen.

DGalaxies
type: Concept
broader: Galaxies
narrower: cDGalaxies
pref label: D GALAXIES @en
pref label: D-GALAXIEN @de
pref label: GALASSIE D @it
pref label: GALAXIAS D
pref label: GALAXIE D @fr
related: ClustersOfGalaxies
related: MassiveGalaxies

Diagrams
type: Concept
pref label: DIAGRAMAS
pref label: DIAGRAMME @de
pref label: DIAGRAMMI @it
pref label: DIAGRAMS @en
scope note: Combine with other terms

Diameters
type: Concept
broader: Dimensions
narrower: AngularDiameters
pref label: DIAMETERS @en
pref label: DIAMETRE @fr
pref label: DIAMETRI @it
pref label: DIAMETROS
pref label: DURCHMESSER @de
related: BaadeWesselinkMethod
related: Occultations
related: SurfaceGravity
scope note: Combine with other terms

DiamondRingEffect
type: Concept
pref label: DIAMANTRING-EFFEKT @de
pref label: DIAMOND RING EFFECT @en
pref label: EFECTO DE ANILLO DE DIAMANTE
pref label: EFFET BAGUE DE DIAMANT @fr
pref label: EFFETTO DELL'ANELLO DI DIAMANTI @it
related: BailysBeads
related: SolarEclipse
related: Sun

DichroicMirrors
type: Concept
broader: Mirrors
pref label: DICHROIC MIRRORS @en
pref label: DICHROITISCHE SPIEGEL @de
pref label: ESPEJOS DICROICOS
pref label: FILTRI DICROICI @it
pref label: MIROIR DICHROIQUE @fr
related: OpticalFilms
related: OpticalFilters

DickeRadiometers
type: Concept
pref label: DICKE RADIOMETERS @en
pref label: DICKE-RADIOMETER @de
pref label: RADIOMETRE DE DICKE @fr
pref label: RADIOMETRI DI DICKE @it
pref label: RADIOMETROS DICKE

DifferentialEquations
type: Concept
broader: MathematicalAnalysis
pref label: DIFFERENTIAL EQUATIONS @en
pref label: DIFFERENTIALGLEICHUNGEN @de
pref label: ECUACIONES DIFERENCIALES
pref label: EQUATION DIFFERENTIELLE @fr
pref label: EQUAZIONI DIFFERENZIALI @it

DifferentialRotation
type: Concept
broader: Rotation
pref label: DIFFERENTIAL ROTATION @en
pref label: DIFFERENTIELLE ROTATION @de
pref label: ROTACION DIFERENCIAL
pref label: ROTATION DIFFERENTIELLE @fr
pref label: ROTAZIONE DIFFERENZIALE @it
related: Galaxies
related: GlobularStarClusters
related: TidalDisruption
related: TidalDistortion

Diffraction
type: Concept
narrower: XRayDiffraction
pref label: BEUGUNG @de
pref label: DIFFRACTION @fr
pref label: DIFFRAZIONE @it
pref label: DIFRACCION
related: AiryDisks
related: DiffractionPatterns
related: InterferenceWaves
related: RayleighCriterion
related: ShadowBands

DiffractionGratings
type: Concept
alt label: Strichgitter @de
alt label: gratings @en
alt label: redes
alt label: reseau [optique] @fr
alt label: reticoli @it
broader: OpticalComponents
narrower: EchelleGratings
narrower: ObjectiveGratings
narrower: ReflectionGratings
narrower: TransmissionGratings
pref label: BEUGUNGSGITTER @de
pref label: DIFFRACTION GRATINGS @en
pref label: RESEAU DE DIFFRACTION @fr
pref label: RETICOLI DI DIFFRAZIONE @it
pref label: RETICULOS DE DIFRACCION
related: GratingSpectrographs
related: Grisms
related: Spectra
related: Spectrographs

DiffractionPatterns
type: Concept
pref label: BEUGUNGSMUSTER @de
pref label: DIFFRACTION PATTERNS @en
pref label: FIGURAS DE DIFRACCION
pref label: FIGURE DE DIFFRACTION @fr
pref label: FIGURE DI DIFFRAZIONE @it
related: Diffraction

DiffuseNebulae
type: Concept
broader: Nebulae
pref label: DIFFUSE NEBEL @de
pref label: DIFFUSE NEBULAE @en
pref label: NEBULEUSE DIFFUSE @fr
pref label: NEBULOSAS DIFUSAS
pref label: NEBULOSE DIFFUSE @it

DiffuseRadiation
type: Concept
pref label: DIFFUSE RADIATION @en
pref label: DIFFUSE STRAHLUNG @de
pref label: RADIACION DIFUSA
pref label: RADIAZIONE DIFFUSA @it
pref label: RAYONNEMENT DIFFUS @fr
scope note: Combine with other terms

Diffusion
type: Concept
pref label: DIFFUSION @de
pref label: DIFFUSIONE @it
pref label: DIFUSION
scope note: Combine with other terms

DigitalImages
type: Concept
broader: Images
pref label: DIGITAL IMAGES @en
pref label: DIGITALBILDER @de
pref label: IMAGE NUMERIQUE @fr
pref label: IMAGENES DIGITALES
pref label: IMMAGINI DIGITALI @it

DigitalRecorders
type: Concept
pref label: DIGITAL RECORDERS @en
pref label: DIGITALREGISTRIERGERAETE / REKORDER @de
pref label: ENREGISTREUR NUMERISE @fr
pref label: REGISTRADORES DIGITALES
pref label: REGISTRATORI DIGITALI @it
related: DataAcquisition

Dimensions
type: Concept
narrower: Diameters
pref label: DIMENSION @fr
pref label: DIMENSIONEN @de
pref label: DIMENSIONES
pref label: DIMENSIONI @it
pref label: DIMENSIONS @en
scope note: Combine with other terms

DiodeArrays
type: Concept
broader: Arrays
broader: MultichannelDetectors
pref label: DIODE ARRAYS @en
pref label: DIODEN-ARRAYS @de
pref label: RED DE DIODOS
pref label: RESEAU DE DIODES @fr
pref label: SCHIERE DI DIODI @it
related: ReticonArrays

Diodes
type: Concept
broader: ElectronicEquipment
pref label: DIODE @fr
pref label: DIODEN @de
pref label: DIODES @en
pref label: DIODI @it
pref label: DIODOS

DioptricSystems
type: Concept
pref label: DIOPTRIC SYSTEMS @en
pref label: DIOPTRISCHE SYSTEME / LINSENSYSTEME @de
pref label: SISTEMAS DIOPTRICOS
pref label: SISTEMI DIOTTRICI @it
pref label: SYSTEME DIOPTRIQUE @fr
related: Lenses
related: OpticalTelescopes

DipoleAntennas
type: Concept
broader: Antennas
broader: DirectionalAntennas
pref label: ANTENAS DIPOLARES
pref label: ANTENNE A DIPOLO @it
pref label: ANTENNE DIPOLE @fr
pref label: DIPOLANTENNEN @de
pref label: DIPOLE ANTENNAS @en
related: Dipoles

Dipoles
type: Concept
narrower: HalfWaveDipoles
pref label: DIPOLE @de
pref label: DIPOLES @en
pref label: DIPOLI @it
pref label: DIPOLOS
related: DipoleAntennas
related: ElectricCharge
related: ElectricDipoles

DiracCosmology
type: Concept
broader: Cosmology
pref label: COSMOLOGIA DE DIRAC
pref label: COSMOLOGIA DI DIRAC @it
pref label: COSMOLOGIE DE DIRAC @fr
pref label: DIRAC COSMOLOGY @en
pref label: DIRAC-KOSMOLOGIE @de

DirectionalAntennas
type: Concept
narrower: DipoleAntennas
narrower: MillsCrossAntennas
narrower: ParabolicAntennas
narrower: YagiAntennas
pref label: ANTENAS DIRECCIONALES
pref label: ANTENNE DIRECTIONNELLE @fr
pref label: ANTENNE DIRETTIVE @it
pref label: DIRECTIONAL ANTENNAS @en
pref label: RICHTANTENNEN @de

DirtySnowballTheory
type: Concept
pref label: DIRTY SNOWBALL THEORY @en
pref label: MODELLO A GHIACCIO SPORCO @it
pref label: TEORIA DE LA BOLA DE NIEVE SUCIA
pref label: THEORIE DE LA BOULE DE NEIGE SALE @fr
pref label: THEORIE DES SCHMUTZIGEN SCHNEEBALLS @de
related: Comets
related: NucleiCelestialObjects

Discoloration
type: Concept
pref label: DECOLORACION
pref label: DECOLORATION @fr
pref label: DISCOLORATION @en
pref label: DISCOLORAZIONE @it
pref label: ENTFAERBUNG @de
scope note: Combine with other terms

Discoveries
type: Concept
pref label: DECOUVERTE @fr
pref label: DESCUBRIMIENTOS
pref label: DISCOVERIES @en
pref label: ENTDECKUNGEN @de
pref label: SCOPERTE @it
related: Research
related: SpaceExploration
scope note: Combine with other terms

DiscreteRadioSources
type: Concept
broader: RadioSources
pref label: DISCRETE RADIO SOURCES @en
pref label: DISKRETE RADIOQUELLEN @de
pref label: RADIOFUENTES DISCRETAS
pref label: RADIOSORGENTI DISCRETE @it
pref label: RADIOSOURCE DISCRETE @fr

DishAntennas
type: Concept
broader: RadioTelescopes
pref label: ANTENAS DE DISCO
pref label: DISH ANTENNAS @en
pref label: PARABOLANTENNEN @de
pref label: PARABOLOIDE @fr
pref label: RIFLETTORI PARABOLICI @it
related: Antennas
related: ParabolicReflectors
related: RadarTelescopes

Disintegration
type: Concept
pref label: DESINTEGRACION
pref label: DESINTEGRATION @fr
pref label: DISINTEGRATION @en
pref label: DISINTEGRAZIONE @it
pref label: ZERFALL @de
scope note: Combine with other terms

DiskGalaxies
type: Concept
pref label: DISK GALAXIES @en
pref label: GALASSIE A DISCO @it
pref label: GALAXIAS DE DISCO
pref label: GALAXIE A DISQUE @fr
pref label: SCHEIBENGALAXIEN @de
related: Disks

DiskPopulation
type: Concept
broader: PopulationIiStars
pref label: DISK POPULATION @en
pref label: POBLACION DE DISCO
pref label: POPOLAZIONE DI DISCO @it
pref label: POPULATION DU DISQUE @fr
pref label: SCHEIBENPOPULATION @de
related: Disks
related: GalacticPlane
related: StellarPopulations

Disks
type: Concept
narrower: AccretionDisks
narrower: CircumstellarDisks
narrower: GaseousDisks
narrower: GravitatingDisks
pref label: DISCHI @it
pref label: DISCOS
pref label: DISKS @en
pref label: DISQUE @fr
pref label: SCHEIBEN @de
related: DiskGalaxies
related: DiskPopulation
related: DiskStars

DiskStars
type: Concept
broader: PopulationIiStars
pref label: DISK STARS @en
pref label: ESTRELLAS DE DISCO
pref label: ETOILE DU DISQUE @fr
pref label: SCHEIBENSTERNE @de
pref label: STELLE DI DISCO @it
related: Disks
related: GalacticPlane
related: GaseousDisks

Dispersion
type: Concept
pref label: DISPERSION
pref label: DISPERSION / ZERSTREUUNG @de
pref label: DISPERSIONE @it
scope note: Combine with other terms

Disruption
type: Concept
pref label: DISGREGAZIONE @it
pref label: DISRUPTION @en
pref label: FRAGMENTATION @fr
pref label: RUPTURE/DISGREGACION
pref label: ZERPLATZEN / ZERREISSEN @de
scope note: Combine with other terms

Dissipation
type: Concept
pref label: DISIPACION
pref label: DISSIPATION @de
pref label: DISSIPAZIONE @it
scope note: Combine with other terms

Distance
type: Concept
pref label: DISTANCE @fr
pref label: DISTANCIA
pref label: DISTANZA @it
pref label: ENTFERNUNG @de
related: AbsoluteMagnitude
related: BodesLaw
related: DistanceIndicators
related: DistanceMeasurement
related: DistanceModulus
related: DistanceScale
related: LightYear
related: Parallaxes
related: Parsec
related: RangeFinders
related: TrigonometricParallax

DistanceIndicators
type: Concept
pref label: DISTANCE INDICATORS @en
pref label: ENTFERNUNGSINDIKATOREN @de
pref label: INDICADORES DE DISTANCIA
pref label: INDICATEUR DE DISTANCE @fr
pref label: INDICATORI DI DISTANZA @it
related: Distance
related: DistanceMeasurement
related: DistanceModulus
related: DistanceScale

DistanceMeasurement
type: Concept
pref label: DETERMINAZIONE DELLA DISTANZA @it
pref label: DISTANCE MEASUREMENT @en
pref label: ENTFERNUNGSBESTIMMUNG @de
pref label: MEDICION DE DISTANCIA
pref label: MESURE DE DISTANCE @fr
related: Distance
related: DistanceIndicators
related: DistanceScale

DistanceModulus
type: Concept
alt label: Modul @de
alt label: module @fr
alt label: modulo
alt label: modulus @en
pref label: DISTANCE MODULUS @en
pref label: ENTFERNUNGSMODUL @de
pref label: MODULE DE DISTANCE @fr
pref label: MODULO DE DISTANCIA
pref label: MODULO DI DISTANZA @it
related: AbsoluteMagnitude
related: Distance
related: DistanceIndicators
related: DistanceScale
related: Parallaxes

DistanceScale
type: Concept
narrower: CosmologicalDistanceScale
pref label: DISTANCE SCALE @en
pref label: ECHELLE DE DISTANCE @fr
pref label: ENTFERNUNGSSKALA @de
pref label: ESCALA DE DISTANCIA
pref label: SCALA DELLE DISTANZE @it
related: AstronomicalUnit
related: Distance
related: DistanceIndicators
related: DistanceMeasurement
related: DistanceModulus
related: Parsec

Distortion
type: Concept
broader: Aberrations
pref label: DISTORSION
pref label: DISTORSIONE @it
pref label: DISTORTION @en
pref label: VERZERRUNG @de
related: Astigmatism
related: ChromaticAberration
related: Coma
related: FieldCurvature
related: OpticalSystems
related: SphericalAberration

DistributionFunction
type: Concept
broader: Functions
pref label: DISTRIBUTION FUNCTION @en
pref label: FONCTION DE DISTRIBUTION @fr
pref label: FUNCION DE DISTRIBUCION
pref label: FUNZIONE DI DISTRIBUZIONE @it
pref label: VERTEILUNGSFUNKTION @de
related: DistributionInSpace
related: FrequencyDistribution
related: Statistics
scope note: In mathematics.

DistributionInSpace
type: Concept
pref label: DISTRIBUCION EN EL ESPACIO
pref label: DISTRIBUTION DANS L'ESPACE @fr
pref label: DISTRIBUTION IN SPACE @en
pref label: DISTRIBUZIONE NELLO SPAZIO @it
pref label: VERTEILUNG IM RAUM @de
related: DistributionFunction
scope note: Combine with other terms

DiurnalParallax
type: Concept
broader: Parallaxes
narrower: HorizontalParallax
pref label: DIURNAL PARALLAX @en
pref label: PARALAJE DIURNA
pref label: PARALLASSE DIURNA @it
pref label: PARALLAXE DIURNE @fr
pref label: TAEGLICHE PARALLAXE @de
related: ZenithDistance

DiurnalPhenomena
type: Concept
pref label: DIURNAL PHENOMENA @en
pref label: FENOMENI DIURNI @it
pref label: FENOMENO DIURNO
pref label: PHENOMENE DIURNE @fr
pref label: TAEGLICH WIEDERKEHRENDE PHAENOMENE @de
related: DiurnalVariations

DiurnalVariations
type: Concept
pref label: DIURNAL VARIATIONS @en
pref label: TAEGLICHE VERAENDERUNGEN @de
pref label: VARIACIONES DIURNAS
pref label: VARIATION DIURNE @fr
pref label: VARIAZIONI DIURNE @it
related: Darkness
related: DiurnalPhenomena

DLayer
type: Concept
alt label: d region @en
alt label: d-Zone @de
alt label: region d
alt label: regione d @it
pref label: CAPA D
pref label: COUCHE D @fr
pref label: D LAYER @en
pref label: D-SCHICHT @de
pref label: STRATO D @it
related: EarthAtmosphere
related: Ionosphere

DLines
type: Concept
pref label: D LINES @en
pref label: D-LINIEN @de
pref label: LINEAS D
pref label: RAIE D @fr
pref label: RIGHE D @it
related: AbsorptionSpectra

Domes
type: Concept
alt label: Teleskopkuppeln @de
alt label: coupole @fr
alt label: cupole di telescopi @it
alt label: cupulas de telescopios
alt label: telescope domes @en
pref label: COUPOLE @fr
pref label: CUPOLE @it
pref label: CUPULAS
pref label: DOMES @en
pref label: KUPPELN @de
related: DomeSeeing
related: Observatories
related: Telescopes
related: TemperatureControl
related: Ventilation
scope note: Excluding LUNAR DOMES

DomeSeeing
type: Concept
broader: Seeing
pref label: DOME SEEING @en
pref label: SEEING DI CUPOLA @it
pref label: TURBULENCE INDUITE PAR LA COUPOLE @fr
pref label: TURBULENCIA DE CUPOLA
pref label: VON DER KUPPEL VERURSACHTES SEEING @de
related: Domes
related: Ventilation

DopplerBroadening
type: Concept
broader: LineBroadening
pref label: ALLARGAMENTO DOPPLER @it
pref label: DOPPLER BROADENING @en
pref label: DOPPLER-VERBREITERUNG @de
pref label: ELARGISSEMENT PAR EFFET DOPPLER @fr
pref label: ENSANCHAMIENTO DOPPLER
related: DopplerEffect
related: LineWidths
related: NaturalLineWidth
related: PressureBroadening
related: StarkBroadening
related: ZeemanSplitting

DopplerEffect
type: Concept
narrower: BlueShift
narrower: Redshift
pref label: DOPPLER EFFECT @en
pref label: DOPPLER-EFFEKT @de
pref label: EFECTO DOPPLER
pref label: EFFET DOPPLER FIZEAU @fr
pref label: EFFETTO DOPPLER @it
related: DopplerBroadening
related: LineShift
related: Radar
related: RadialVelocity
related: SpectroscopicAnalysis
related: SpectroscopicBinaryStars
related: StellarMotions

DoubleGalaxies
type: Concept
alt label: Doppelgalaxien @de
alt label: Doppelsysteme @de
alt label: binary galaxies @en
alt label: binary systems @en
alt label: galassie binarie @it
alt label: galaxias binarias
alt label: galaxie double @fr
alt label: sistemas binarios
alt label: sistemi binari @it
alt label: systeme binaire @fr
broader: Galaxies
pref label: DOPPELGALAXIEN @de
pref label: DOUBLE GALAXIES @en
pref label: GALASSIE DOPPIE @it
pref label: GALAXIAS DOBLES
pref label: GALAXIE DOUBLE @fr
related: CompanionGalaxies
related: GalaxyMergers

DoubleModeCepheids
type: Concept
alt label: Schwebungscepheiden @de
alt label: beat cepheids @en
alt label: cefeidas de batido
alt label: cefeidi a battimento @it
alt label: cepheide a double mode @fr
broader: Cepheids
broader: DoubleModeVariableStars
broader: PulsatingVariableStars
pref label: CEFEIDAS DE MODO DOBLE
pref label: CEFEIDI BIMODALI @it
pref label: CEPHEIDE A DEUX MODE @fr
pref label: DOPPELMODE-CEPHEIDEN @de
pref label: DOUBLE MODE CEPHEIDS @en
related: DoubleModePulsation

DoubleModePulsation
type: Concept
broader: MultiperiodicPulsation
pref label: DOPPELMODE-PULSATION @de
pref label: DOUBLE MODE PULSATION @en
pref label: PULSACION DE MODO DOBLE
pref label: PULSATION A DEUX MODE @fr
pref label: PULSAZIONI BIMODALI @it
related: DoubleModeCepheids
related: DoubleModeVariableStars
related: PulsatingVariableStars

DoubleModeVariableStars
type: Concept
broader: MultiperiodicVariableStars
broader: PulsatingVariableStars
narrower: DoubleModeCepheids
narrower: RrLyraeStars
pref label: DOPPELMODE-VERAENDERLICHE @de
pref label: DOUBLE MODE VARIABLE STARS @en
pref label: ESTRELLAS VARIABLES DE MODO DOBLE
pref label: ETOILE VARIABLE A DEUX MODE @fr
pref label: STELLE VARIABILI BIMODALI @it
related: DoubleModePulsation

DoubleQuasars
type: Concept
pref label: CUASARES DOBLES
pref label: DOPPELQUASARE @de
pref label: DOUBLE QUASARS @en
pref label: QUASAR DOPPIE @it
pref label: QUASAR DOUBLE @fr
related: GravitationalDeflection
related: GravitationalLenses
related: Quasars

DqHerculisStars
type: Concept
broader: EclipsingBinaryStars
broader: SlowNovas
pref label: DQ HERCULIS STARS @en
pref label: DQ HERCULIS STERNE @de
pref label: ESTRELLAS DQ HERCULIS
pref label: ETOILES DQ HERCULIS @fr
pref label: STELLE DQ HERCULIS @it

DredgeUp
type: Concept
pref label: BRASSAGE @fr
pref label: DRAGAR
pref label: DREDGE UP @it
pref label: NACH OBEN SCHWEMMEN @de
related: Convection
related: GiantStars
related: MetalAbundance
related: StellarAtmospheres
related: StellarInteriors

DriftScans
type: Concept
pref label: BARRIDOS EN SEGUIMIENTO
pref label: DRIFT SCANS @en
pref label: DRIFT SCANS ? @de
pref label: ENREGISTREMENT A DERIVE @fr
pref label: SCANSIONI CONTINUE @it
related: Photometry
related: RadioStructure
related: SurfacePhotometry

DriftWaves
type: Concept
broader: Waves
pref label: DRIFT WAVES @en
pref label: DRIFTWELLEN @de
pref label: ONDAS DE DERIVA
pref label: ONDE DE DERIVE @fr
pref label: ONDE DI DERIVA @it

Drives
type: Concept
pref label: DRIVES @en
pref label: ENTRAINEMENT @fr
pref label: GUIDE @it
pref label: LAUFWERKE / ANTREIB ? @de
pref label: MANDOS
related: Coelostats
related: ControlSystems
related: Siderostats
related: Telescopes

Dust
type: Concept
alt label: Kosmischer Staub @de
alt label: POLVO COSMICO
alt label: cosmic dust @en
alt label: polvere cosmica @it
alt label: poussiere cosmique @fr
broader: IntergalacticMatter
broader: InterstellarMatter
narrower: InterplanetaryDust
narrower: InterstellarDust
narrower: ZodiacalDust
pref label: DUST @en
pref label: POLVERE @it
pref label: POLVO
pref label: POUSSIERE @fr
pref label: STAUB @de
related: Comets
related: DustClouds
related: DustDetectors
related: DustGrains
related: DustNebulae
related: DustShells
related: DustStorms
related: GasToDustRatio

DustClouds
type: Concept
broader: Clouds
broader: InterstellarMatter
pref label: DUST CLOUDS @en
pref label: NUAGE DE POUSSIERE @fr
pref label: NUBES DE POLVO
pref label: NUBI DI POLVERE @it
pref label: STAUBWOLKEN @de
related: Dust
related: InterstellarDust

DustDetectors
type: Concept
broader: Detectors
pref label: DETECTEUR DE POUSSIERE @fr
pref label: DETECTORES DE POLVO
pref label: DUST DETECTORS @en
pref label: RIVELATORI DI POLVERE @it
pref label: STAUBDETEKTOREN @de
related: Dust

DustGrains
type: Concept
broader: InterstellarMatter
pref label: DUST GRAINS @en
pref label: GRAIN DE POUSSIERE @fr
pref label: GRANI DI POLVERE @it
pref label: GRANOS DE POLVO
pref label: STAUBKOERNER @de
related: Adsorption
related: Dust

DustNebulae
type: Concept
broader: InterstellarMatter
broader: Nebulae
pref label: DUST NEBULAE @en
pref label: NEBULEUSE DE POUSSIERE @fr
pref label: NEBULOSAS DE POLVO
pref label: NEBULOSE DI POLVERE @it
pref label: STAUBNEBEL @de
related: Dust

DustShells
type: Concept
broader: CircumstellarShells
broader: Shells
pref label: CASCARAS DE POLVO
pref label: COUCHE DE POUSSIERE @fr
pref label: DUST SHELLS @en
pref label: GUSCI DI POLVERE @it
pref label: STAUBHUELLEN @de
related: CircumstellarDust
related: Dust
related: SymbioticStars

DustStorms
type: Concept
pref label: DUST STORMS @en
pref label: STAUBSTUERME @de
pref label: TEMPESTE DI POLVERE @it
pref label: TEMPETE DE POUSSIERE @fr
pref label: TORMENTAS DE POLVO
related: Dust
related: Planets
related: SurfacesCelestialBodies

DwarfCepheids
type: Concept
broader: IrregularVariableStars
broader: MultiperiodicVariableStars
broader: PulsatingVariableStars
pref label: CEFEIDAS ENANAS
pref label: CEFEIDI NANE @it
pref label: CEPHEIDE NAINE @fr
pref label: DWARF CEPHEIDS @en
pref label: ZWERGCEPHEIDEN @de
related: Cepheids
related: DeltaScutiStars

DwarfGalaxies
type: Concept
broader: Galaxies
broader: PeculiarGalaxies
pref label: DWARF GALAXIES @en
pref label: GALASSIE NANE @it
pref label: GALAXIAS ENANAS
pref label: GALAXIE NAINE @fr
pref label: ZWERGGALAXIEN @de

DwarfStars
type: Concept
broader: MainsequenceStars
narrower: ADwarfStars
narrower: BDwarfStars
narrower: BlackDwarfStars
narrower: BrownDwarfStars
narrower: FDwarfStars
narrower: FlareStars
narrower: GDwarfStars
narrower: KDwarfStars
narrower: LateTypeDwarfStars
narrower: MDwarfStars
narrower: NearbyDwarfStars
narrower: ODwarfStars
pref label: DWARF STARS @en
pref label: ESTRELLAS ENANAS
pref label: ETOILE NAINE @fr
pref label: STELLE NANE @it
pref label: ZWERGSTERNE @de
related: LowLuminosityStars
related: LowMassStars
related: LuminosityClassification
related: Mainsequence
related: SubdwarfStars
scope note: The term alone refers to mainsequence stars, but subterms may refer to evolved stars.

DynamicalEvolution
type: Concept
broader: Evolution
pref label: DYNAMICAL EVOLUTION @en
pref label: DYNAMISCHE ENTWICKLUNG @de
pref label: EVOLUCION DINAMICA
pref label: EVOLUTION DYNAMIQUE @fr
pref label: EVOLUZIONE DINAMICA @it

DynamicalFriction
type: Concept
broader: Friction
pref label: ATTRITO DINAMICO @it
pref label: DYNAMICAL FRICTION @en
pref label: DYNAMISCHE REIBUNG @de
pref label: FRICCION DINAMICA
pref label: FRICTION DYNAMIQUE @fr
related: RadiativeBraking

DynamicalParallax
type: Concept
broader: Parallaxes
pref label: DYNAMICAL PARALLAX @en
pref label: DYNAMISCHE PARALLAXE @de
pref label: PARALAJE DINAMICA
pref label: PARALLASSE DINAMICA @it
pref label: PARALLAXE DYNAMIQUE @fr
related: BinaryStars
related: KinematicParallax
related: MovingClusterParallax

DynamicalTime
type: Concept
broader: Time
pref label: DYNAMICAL TIME @en
pref label: DYNAMISCHE ZEIT @de
pref label: TEMPO DINAMICO @it
pref label: TEMPS DYNAMIQUE @fr
pref label: TIEMPO DINAMICO

Dynamics
type: Concept
pref label: DINAMICA
pref label: DYNAMICS @en
pref label: DYNAMIK @de
pref label: DYNAMIQUE @fr
scope note: Combine with other terms

DynamoTheory
type: Concept
pref label: DYNAMO THEORY @en
pref label: DYNAMO-THEORIE @de
pref label: TEORIA DEL DINAMO
pref label: TEORIA DELLA DINAMO @it
pref label: THEORIE DE LA DYNAMO @fr
related: MagneticFields

EarlyTypeEmissionStars
type: Concept
broader: EmissionLineStars
narrower: AeStars
narrower: BeStars
narrower: OeStars
narrower: OefStars
narrower: OfStars
narrower: WolfRayetStars
pref label: EARLY TYPE EMISSION STARS @en
pref label: ESTRELLAS TEMPRANAS DE EMISION
pref label: ETOILE DES PREMIERS TYPES A EMISSION @fr
pref label: FRUEHE TYPEN VON EMISSIONSLINIENSTERNEN @de
pref label: STELLE AD EMISSIONE DEI PRIMI TIPI @it

EarlyTypeGalaxies
type: Concept
broader: Galaxies
pref label: EARLY TYPE GALAXIES @en
pref label: FRUEHE TYPEN VON GALAXIEN @de
pref label: GALASSIE DEI PRIMI TIPI @it
pref label: GALAXIAS TEMPRANAS
pref label: GALAXIES DES PREMIERS TYPES @fr

EarlyTypeStars
type: Concept
alt label: Blaue Sterne @de
alt label: ESTRELLAS AZULES
alt label: ESTRELLAS CALIENTES
alt label: blue stars @en
alt label: etoile bleue @fr
alt label: etoile chaude @fr
alt label: heisse Sterne @de
alt label: hot stars @en
alt label: stelle blu @it
alt label: stelle calde @it
broader: UltravioletSources
narrower: AStars
narrower: BStars
narrower: EarlyTypeVariableStars
narrower: FaintBlueStars
narrower: OStars
narrower: ObStars
pref label: EARLY TYPE STARS @en
pref label: ESTRELLAS TEMPRANAS
pref label: ETOILE DES PREMIERS TYPES @fr
pref label: FRUEHE TYPEN VON STERNEN @de
pref label: STELLE DEI PRIMI TIPI @it
related: OefStars
related: OrionPopulationStars

EarlyTypeSupergiantStars
type: Concept
broader: SupergiantStars
narrower: ASupergiantStars
narrower: BSupergiantStars
narrower: OSupergiantStars
narrower: ObSupergiantStars
pref label: EARLY TYPE SUPERGIANT STARS @en
pref label: ESTRELLAS SUPERGIGANTES TEMPRANAS
pref label: ETOILE SUPERGEANTE DES PREMIERS TYPES @fr
pref label: FRUEHE TYPEN VON UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI DEI PRIMI TIPI @it
related: LuminousBlueVariableStars

EarlyTypeVariableStars
type: Concept
broader: EarlyTypeStars
narrower: BetaCepheiStars
narrower: LuminousBlueVariableStars
narrower: SDoradusStars
narrower: SxArietisStars
pref label: EARLY TYPE VARIABLE STARS @en
pref label: ESTRELLAS VARIABLES TEMPRANAS
pref label: ETOILE VARIABLE DES PREMIERS TYPES @fr
pref label: FRUEHE TYPEN VON VERAENDERLICHEN @de
pref label: STELLE VARIABILI DEI PRIMI TIPI @it
related: AStars
related: BStars
related: OStars

EarlyUniverse
type: Concept
pref label: EARLY UNIVERSE @en
pref label: FRUEHES UNIVERSUM @de
pref label: UNIVERS PRIMORDIAL @fr
pref label: UNIVERSO PRIMORDIALE @it
pref label: UNIVERSO TEMPRANO
related: BigBangTheory
related: Cosmology

Earth
type: Concept
broader: Planets
pref label: EARTH @en
pref label: ERDE @de
pref label: TERRA @it
pref label: TERRE @fr
pref label: TIERRA
related: Continents
related: Cores
related: Craters
related: Crust
related: EarthSciences
related: Earthquakes
related: Geocorona
related: Geodesy
related: Geoid
related: Geomagnetism
related: Geophysics
related: Glaciology
related: Mantles
related: Perigee
related: PolarCaps
related: RadiationBelts
related: Scintillation
related: Seismology
related: SiderealTime
related: SolarSystem
related: SolarTerrestrialRelations
related: SpaceGeodesy
related: Topography
related: Troposphere
scope note: Combine with other terms

EarthAtmosphere
type: Concept
alt label: Erdatmosphaere @de
alt label: atmosfera terrestre
alt label: atmosphere terrestre @fr
alt label: terrestrial atmosphere @en
broader: Atmospheres
pref label: ATMOSFERA DE LA TIERRA
pref label: ATMOSFERA TERRESTRE @it
pref label: ATMOSPHERE TERRESTRE @fr
pref label: EARTH ATMOSPHERE @en
pref label: ERDATMOSPHAERE @de
related: Aeronomy
related: AtmosphericExtinction
related: AtmosphericScattering
related: AtmosphericScintillation
related: AtmosphericWindows
related: Clouds
related: DLayer
related: ELayer
related: Exosphere
related: FLayer
related: Ionosphere
related: Magnetosphere
related: Mesopause
related: Mesosphere
related: Meteorology
related: NoctilucentClouds
related: OzoneLayer
related: ScaleHeight
related: Scintillation
related: Seeing
related: Stratopause
related: Stratosphere
related: TelluricLines
related: Thermosphere
related: Tropopause
related: Troposphere
related: TurbulenceEarthAtmosphere
related: Twilight
related: UpperAtmosphere

EarthMoonSystem
type: Concept
pref label: EARTH MOON SYSTEM @en
pref label: ERDE-MOND SYSTEM @de
pref label: SISTEMA TERRA LUNA @it
pref label: SISTEMA TIERRA LUNA
pref label: SYSTEME TERRE LUNE @fr
related: AnnualEquation
related: EquationOfTheCenter
related: LunarTheory
related: SolarSystem
related: TidalFriction
related: TwoBodyProblem

EarthOrbit
type: Concept
pref label: EARTH ORBIT @en
pref label: ERDUMLAUFBAHN @de
pref label: ORBITA DELLA TERRA @it
pref label: ORBITA TERRESTRE
pref label: ORBITE TERRESTRE @fr
related: AnnualEquation
related: Aphelion
related: Ecliptic
related: EclipticCoordinateSystem
related: EclipticPlane
related: EquationOfTime
related: Perihelion
related: SolarParallax
related: Time
related: TropicalYear
related: Zodiac

Earthquakes
type: Concept
pref label: EARTHQUAKES @en
pref label: ERDBEBEN @de
pref label: TERREMOTI @it
pref label: TERREMOTOS
pref label: TREMBLEMENT DE TERRE @fr
related: Earth
related: Moonquakes

EarthRotation
type: Concept
pref label: EARTH ROTATION @en
pref label: ERDDREHUNG @de
pref label: ROTACION DE LA TIERRA
pref label: ROTATION DE LA TERRE @fr
pref label: ROTAZIONE TERRESTRE @it
related: Astrometry
related: ChandlerWobble
related: EquationOfTheEquinoxes
related: Nutation
related: PolarMotion
related: Precession
related: Time

EarthSciences
type: Concept
narrower: Geodesy
narrower: Geology
narrower: Geophysics
pref label: CIENCIAS DE LA TIERRA
pref label: EARTH SCIENCES @en
pref label: SCIENCE DE LA TERRE @fr
pref label: SCIENZE DELLA TERRA @it
pref label: WISSENSCHAFT VON DER ERDE @de
related: Earth
related: GeophysicalObservatories

Earthshine
type: Concept
pref label: EARTHSHINE @en
pref label: ERDSCHEIN @de
pref label: LUCE CINEREA @it
pref label: LUMIERE CENDREE @fr
pref label: LUZ CENICIENTA
related: Moon

Eccentricity
type: Concept
broader: OrbitalElements
pref label: ECCENTRICIDAD
pref label: ECCENTRICITA @it
pref label: ECCENTRICITY @en
pref label: EXCENTRICITE @fr
pref label: EXZENTRIZITAET @de
related: EllipticalOrbits

EchelleGratings
type: Concept
alt label: Stufengitter / Echelon @de
alt label: echelon @it
alt label: echelons @en
alt label: escalones/echelons
broader: DiffractionGratings
pref label: ECHELLE GRATINGS @en
pref label: ECHELLEGITTER / STUFENGITTER @de
pref label: RESEAU ECHELLE @fr
pref label: RETICOLI ECHELLE @it
pref label: RETICULOS ECHELLE
related: EchelleSpectra
related: ObjectiveGratings
related: ReflectionGratings
related: Spectrographs
related: TransmissionGratings

EchelleSpectra
type: Concept
broader: HighResolutionSpectra
broader: Spectra
pref label: ECHELLE SPECTRA @en
pref label: ECHELLESPEKTREN @de
pref label: ESPECTROS ECHELLE
pref label: SPECTRE ECHELLE @fr
pref label: SPETTRI ECHELLE @it
related: EchelleGratings
related: EchelleSpectrographs

EchelleSpectrographs
type: Concept
alt label: Echelle-Spektrometer @de
alt label: echelle spectrometers @en
alt label: espectrometros echelle
alt label: spectrometre echelle @fr
alt label: spettrometri echelle @it
broader: Spectrographs
pref label: ECHELLE SPECTROGRAPHS @en
pref label: ECHELLE-SPEKTROGRAPHEN @de
pref label: ESPECTROGRAFOS ECHELLE
pref label: SPECTROGRAPHE ECHELLE @fr
pref label: SPETTROGRAFI ECHELLE @it
related: CoudeSpectra
related: EchelleSpectra
related: HighResolutionSpectra
related: HighResolutionSpectrosopy

Eclipses
type: Concept
narrower: AnnularEclipses
narrower: LunarEclipse
narrower: PartialEclipse
narrower: SolarEclipse
narrower: TotalEclipses
pref label: ECLIPSE @fr
pref label: ECLIPSES
pref label: ECLISSI @it
pref label: Finsternisse @de
related: EclipsingBinaryStars
related: Occultations
related: Penumbra
related: Transits
related: Umbra

EclipsingBinaryStars
type: Concept
alt label: Bedeckungssterne @de
alt label: Bedeckungsveraenderliche @de
alt label: ESTRELLAS BINARIAS FOTOMETRICAS
alt label: eclipsing stars @en
alt label: eclipsing variable stars @en
alt label: estrellas eclipsantes
alt label: estrellas variables eclipsantes
alt label: etoile a eclipses @fr
alt label: etoile double photometrique @fr
alt label: etoile variable a eclipses @fr
alt label: photometric binary stars @en
alt label: photometrische Doppelsterne @de
alt label: stelle a eclisse @it
alt label: stelle binarie fotometriche @it
alt label: stelle variabili a eclisse @it
broader: BinaryStars
broader: VariableStars
narrower: AlgolVariableStars
narrower: BetaLyraeStars
narrower: DqHerculisStars
narrower: RCanisMajorisStars
narrower: UpsilonSagittariiStars
narrower: WUrsaeMajorisStars
pref label: BEDECKUNGSVERAENDERLICHE @de
pref label: BINAIRE A ECLIPSES @fr
pref label: ECLIPSING BINARY STARS @en
pref label: ESTRELLAS BINARIAS ECLIPSANTES
pref label: STELLE BINARIE A ECLISSE @it
related: ContactBinaryStars
related: Eclipses
related: EllipsoidalVariableStars
related: InteractingBinaryStars
related: PartialEclipse
related: PhotometricElements
related: RocheLobe
related: SpectroscopicBinaryStars
related: TotalEclipses

Ecliptic
type: Concept
pref label: ECLIPTIC @en
pref label: ECLIPTICA
pref label: ECLIPTIQUE @fr
pref label: ECLITTICA @it
pref label: EKLIPTIK @de
related: EarthOrbit
related: EclipticCoordinateSystem
related: EclipticPlane
related: EclipticPoles
related: Equinoxes
related: ObliquityOfEcliptic
related: Solstices
related: Zodiac

EclipticCoordinateSystem
type: Concept
broader: CoordinateSystems
pref label: ECLIPTIC COORDINATE SYSTEM @en
pref label: EKLIPTIKALES KOORDINATENSYSTEM @de
pref label: SISTEMA DE COORDENADAS ECLIPTICAS
pref label: SISTEMA DI COORDINATE ECLITTICHE @it
pref label: SYSTEME DE COORDONNEES ECLIPTIQUES @fr
related: EarthOrbit
related: Ecliptic
related: EclipticLatitude
related: EclipticLongitude
related: EclipticPoles

EclipticLatitude
type: Concept
alt label: AEquatoriale Breite @de
alt label: Breite @de
alt label: celestial latitude @en
alt label: latitud
alt label: latitud celeste
alt label: latitude @fr
alt label: latitude celeste @fr
alt label: latitudine @it
alt label: latitudine celeste @it
pref label: ECLIPTIC LATITUDE @en
pref label: EKLIPTIKALE BREITE @de
pref label: LATITUD ECLIPTICA
pref label: LATITUDE ECLIPTIQUE @fr
pref label: LATITUDINE ECLITTICA @it
related: EclipticCoordinateSystem
related: EclipticLongitude
related: EclipticPoles

EclipticLongitude
type: Concept
alt label: AEquatoriale Laenge @de
alt label: Laenge @de
alt label: celestial longitude @en
alt label: longitud
alt label: longitud celeste
alt label: longitude @fr
alt label: longitude celeste @fr
alt label: longitudine @it
alt label: longitudine celeste @it
pref label: ECLIPTIC LONGITUDE @en
pref label: EKLIPTIKALE LAENGE @de
pref label: LONGITUD ECLIPTICA
pref label: LONGITUDE ECLIPTIQUE @fr
pref label: LONGITUDINE ECLITTICA @it
related: EclipticCoordinateSystem
related: EclipticLatitude
related: EclipticPoles

EclipticPlane
type: Concept
pref label: EBENE DER EKLIPTIK @de
pref label: ECLIPTIC PLANE @en
pref label: PIANO DELL'ECLITTICA @it
pref label: PLAN DE L'ECLIPTIQUE @fr
pref label: PLANO DE LA ECLIPTICA
related: EarthOrbit
related: Ecliptic
related: EclipticPoles
related: ObliquityOfEcliptic

EclipticPoles
type: Concept
broader: Poles
pref label: ECLIPTIC POLES @en
pref label: POLE DER EKLIPTIK @de
pref label: POLES DE L' ECLIPTIQUE @fr
pref label: POLI DELL'ECLITTICA @it
pref label: POLOS ECLIPTICOS
related: Ecliptic
related: EclipticCoordinateSystem
related: EclipticLatitude
related: EclipticLongitude
related: EclipticPlane

ECorona
type: Concept
alt label: componente e
alt label: composante e @fr
alt label: e component @en
alt label: e-Komponente @de
broader: Coronas
pref label: CORONA E
pref label: COURONNE E @fr
pref label: E CORONA @en
pref label: E-KORONA @de

EddingtonLimit
type: Concept
pref label: EDDINGTON LIMIT @en
pref label: EDDINGTON-GRENZE @de
pref label: LIMITE D'EDDINGTON @fr
pref label: LIMITE DE EDDINGTON
pref label: LIMITE DI EDDINGTON @it
related: GravitationalForce
related: RadiationPressure
related: StellarInteriors

EdgeEffects
type: Concept
pref label: EDGE EFFECTS @en
pref label: EFECTOS DE BORDE
pref label: EFFET DE BORD @fr
pref label: EFFETTI DI BORDO @it
pref label: RANDEFFEKTE @de
related: Galaxies
related: Photography

EffectiveTemperature
type: Concept
broader: Temperature
pref label: EFFECTIVE TEMPERATURE @en
pref label: EFFEKTIVE TEMPERATUR @de
pref label: TEMPERATURA EFECTIVA
pref label: TEMPERATURA EFFETTIVA @it
pref label: TEMPERATURE EFFECTIVE @fr
related: Photometry
related: Radiation
related: StandardCandles

eFoldingTime
type: Concept
pref label: TEMPO DI e FOLDING @it
pref label: TEMPS DE DECLIN EN 1/e @fr
pref label: TIEMPO DE RELAJACION EN 1/e
pref label: e FOLDING TIME @en
pref label: exponentielle Abklingzeit @de
related: Oscillations

EinsteinCoefficient
type: Concept
pref label: COEFFICIENT D'EINSTEIN @fr
pref label: COEFFICIENTE DI EINSTEIN @it
pref label: COEFICIENTE DE EINSTEIN
pref label: EINSTEIN COEFFICIENT @en
pref label: EINSTEIN-KOEEFFIZIENT @de
related: AbsorptionCoefficient
related: EmissionCoefficient

EinsteinEffect
type: Concept
alt label: Einsteinsche Verschiebung @de
alt label: decalage d'Einstein @fr
alt label: desplazamiento einsteiniano
alt label: einstein shift @en
alt label: spostamento di einstein @it
pref label: EFECTO DE EINSTEIN
pref label: EFFET D'EINSTEIN @fr
pref label: EFFETTO EINSTEIN @it
pref label: EINSTEIN EFFECT @en
pref label: EINSTEIN-EFFEKT @de
related: GravitationalRedshift

EinsteinRings
type: Concept
pref label: ANELLI DI EINSTEIN @it
pref label: ANILLOS DE EINSTEIN
pref label: ANNEAU D'EINSTEIN @fr
pref label: EINSTEIN RINGS @en
pref label: EINSTEINSCHE RINGE @de
related: GravitationalDeflection
related: GravitationalLenses

EinsteinUniverse
type: Concept
broader: Cosmology
pref label: EINSTEIN UNIVERSE @en
pref label: EINSTEINSCHES UNIVERSUM @de
pref label: UNIVERS D'EINSTEIN @fr
pref label: UNIVERSO DE EINSTEIN
pref label: UNIVERSO DI EINSTEIN @it

Ejecta
type: Concept
pref label: AUSWURFMATERIAL @de
pref label: EJECTA @en
pref label: MATERIA ESPULSA @it
pref label: MATERIA EXPULSADA
pref label: MATIERE EJECTEE @fr
related: Craters
related: WolfRayetStars

Ejection
type: Concept
pref label: AUSWURF @de
pref label: EIEZIONE @it
pref label: EJECTION @fr
pref label: EXPULSION
scope note: Combine with other terms

Elasticity
type: Concept
pref label: ELASTICIDAD
pref label: ELASTICITA @it
pref label: ELASTICITE @fr
pref label: ELASTICITY @en
pref label: ELASTIZITAET @de
scope note: Combine with other terms

ELayer
type: Concept
alt label: E region @en
alt label: E-Region @de
alt label: region E @fr
alt label: region e
alt label: regione E @it
pref label: CAPA E
pref label: COUCHE E @fr
pref label: E LAYER @en
pref label: E-SCHICHT @de
pref label: STRATO E @it
related: EarthAtmosphere
related: Ionosphere
scope note: Refers to earth atmosphere.

ElectricalProperties
type: Concept
pref label: ELECTRICAL PROPERTIES @en
pref label: ELEKTRISCHE EIGENSCHAFTEN @de
pref label: PROPIEDADES ELECTRICAS
pref label: PROPRIETA ELETTRICHE @it
pref label: PROPRIETE ELECTRIQUE @fr
related: Electricity

ElectricCharge
type: Concept
pref label: CARGA ELECTRICA
pref label: CARICA ELETTRICA @it
pref label: CHARGE ELECTRIQUE @fr
pref label: ELECTRIC CHARGE @en
pref label: ELEKTRISCHE LADUNG @de
related: Dipoles
related: Electricity
related: ElectrostaticWaves

ElectricCurrents
type: Concept
pref label: CORRENTI ELETTRICHE @it
pref label: CORRIENTES ELECTRICAS
pref label: COURANT ELECTRIQUE @fr
pref label: ELECTRIC CURRENTS @en
pref label: ELEKTRISCHE STROEME @de
related: CurrentSheets
related: Currents
related: Electricity

ElectricDipoles
type: Concept
pref label: DIPOLE ELECTRIQUE @fr
pref label: DIPOLI ELETTRICI @it
pref label: DIPOLOS ELECTRICOS
pref label: ELECTRIC DIPOLES @en
pref label: ELEKTRISCHE DIPOLE @de
related: Dipoles
related: Electricity

ElectricFields
type: Concept
pref label: CAMPI ELETTRICI @it
pref label: CAMPOS ELECTRICOS
pref label: CHAMP ELECTRIQUE @fr
pref label: ELECTRIC FIELDS @en
pref label: ELEKTRISCHE FELDER @de
related: Electricity
related: ElectrostaticWaves
related: Force
related: PaulTrap

Electricity
type: Concept
pref label: ELECTRICIDAD
pref label: ELECTRICITE @fr
pref label: ELECTRICITY @en
pref label: ELEKTRIZITAET @de
pref label: ELETTRICITA @it
related: ElectricCharge
related: ElectricCurrents
related: ElectricDipoles
related: ElectricFields
related: ElectricalProperties

Electrodes
type: Concept
narrower: Cathodes
narrower: Photocathodes
pref label: ELECTRODE @fr
pref label: ELECTRODES @en
pref label: ELECTRODOS
pref label: ELEKTRODEN @de
pref label: ELETTRODI @it
related: ImageTubes
related: PhotomultiplierTubes

Electrodynamics
type: Concept
narrower: CosmicElectrodynamics
pref label: ELECTRODINAMICA
pref label: ELECTRODYNAMICS @en
pref label: ELECTRODYNAMIQUE @fr
pref label: ELEKTRODYNAMIK @de
pref label: ELETTRODINAMICA @it

Electromagnetic
type: Concept
pref label: ELECTROMAGNETIC @en
pref label: ELECTROMAGNETICA
pref label: ELECTROMAGNETIQUE @fr
pref label: ELEKTROMAGNETISCH @de
pref label: ELETTROMAGNETICO @it
scope note: Combine with other terms

ElectromagneticFields
type: Concept
pref label: CAMPI ELETTROMAGNETICI @it
pref label: CAMPOS ELECTROMAGNETICOS
pref label: CHAMP ELECTROMAGNETIQUE @fr
pref label: ELECTROMAGNETIC FIELDS @en
pref label: ELEKTROMAGNETISCHE FELDER @de
related: ElectromagneticForces
related: FieldEquations
related: QuantumFieldTheory
related: RadiationField

ElectromagneticForces
type: Concept
broader: Force
pref label: ELECTROMAGNETIC FORCES @en
pref label: ELEKTROMAGNETISCHE KRAEFTE @de
pref label: FORCE ELECTROMAGNETIQUE @fr
pref label: FORZE ELETTROMAGNETICHE @it
pref label: FUERZAS ELECTROMAGNETICAS
related: ElectromagneticFields

ElectromagneticInteractions
type: Concept
broader: Interactions
pref label: ELECTROMAGNETIC INTERACTIONS @en
pref label: ELEKTROMAGNETISCHE WECHSELWIRKUNGEN @de
pref label: INTERACCIONES ELECTROMAGNETICAS
pref label: INTERACTION ELECTROMAGNETIQUE @fr
pref label: INTERAZIONI ELETTROMAGNETICHE @it

ElectromagneticTheory
type: Concept
narrower: CosmicElectrodynamics
pref label: ELECTROMAGNETIC THEORY @en
pref label: ELEKTROMAGNETISCHE THEORIE @de
pref label: TEORIA ELECTROMAGNETICA
pref label: TEORIA ELETTROMAGNETICA @it
pref label: THEORIE ELECTROMAGNETIQUE @fr

ElectromagneticWaves
type: Concept
broader: Waves
narrower: Bremsstrahlung
narrower: CerenkovRadiation
narrower: GammaRays
narrower: Light
narrower: MillimeterWaves
narrower: RadioWaves
narrower: UltravioletRadiation
narrower: XRays
pref label: ELECTROMAGNETIC WAVES @en
pref label: ELEKTROMAGNETISCHE WELLEN @de
pref label: ONDAS ELECTROMAGNETICAS
pref label: ONDE ELECTROMAGNETIQUE @fr
pref label: ONDE ELETTROMAGNETICHE @it
related: ElectrostaticWaves
related: Photons
related: PolarizationWaves
related: Wavelength

ElectronBeams
type: Concept
narrower: RelativisticElectrons
pref label: ELECTRON BEAMS @en
pref label: ELEKTRONENSTRAHLEN @de
pref label: FAISCEAU DES ELECTRONS @fr
pref label: FASCI ELETTRONICI; PENNELLI ELETTRONICI @it
pref label: HACES DE ELECTRONES

ElectronDensity
type: Concept
broader: Density
pref label: DENSIDAD DE ELECTRONES
pref label: DENSITA ELETTRONICA @it
pref label: DENSITE ELECTRONIQUE @fr
pref label: ELECTRON DENSITY @en
pref label: ELEKTRONENDICHTE @de
related: Electrons

ElectronicCameras
type: Concept
narrower: ElectronographicCameras
pref label: CAMARAS ELECTRONICAS
pref label: CAMERA ELECTRONIQUE @fr
pref label: CAMERE ELETTRONICHE @it
pref label: ELECTRONIC CAMERAS @en
pref label: ELEKTRONISCHE KAMERAS @de
related: ImageTubes

ElectronicEquipment
type: Concept
narrower: Diodes
pref label: ATTREZZATURE ELETTRONICHE @it
pref label: ELECTRONIC EQUIPMENT @en
pref label: ELEKTRONISCHE GERAETE @de
pref label: EQUIPEMENT ELECTRONIQUE @fr
pref label: EQUIPO ELECTRONICO
related: Instrumentation
related: ShotNoise

Electronics
type: Concept
pref label: ELECTRONICA
pref label: ELECTRONICS @en
pref label: ELECTRONIQUE @fr
pref label: ELEKTRONIK @de
pref label: ELETTRONICA @it
scope note: Combine with other terms

ElectronographicCameras
type: Concept
alt label: Elektrographische Kameras @de
alt label: camaras electrograficas
alt label: camera electrographique @fr
alt label: camere elettrografiche @it
alt label: electrographic cameras @en
broader: ElectronicCameras
pref label: CAMARAS ELECTRONOGRAFICAS
pref label: CAMERA ELECTRONOGRAPHIQUE @fr
pref label: CAMERE ELETTRONOGRAFICHE @it
pref label: ELECTRONOGRAPHIC CAMERAS @en
pref label: ELEKTRONOGRAPHISCHE KAMERAS @de

ElectronPumping
type: Concept
pref label: BOMBEO DE ELECTRONES
pref label: ELECTRON PUMPING @en
pref label: ELEKTRONENPUMPEN @de
pref label: POMPAGE DES ELECTRONS @fr
pref label: POMPAGGIO ELETTRONICO @it
related: Lasers
related: Masers

Electrons
type: Concept
broader: FundamentalParticles
broader: Leptons
broader: NuclearRadiation
broader: Particles
pref label: ELECTRON @fr
pref label: ELECTRONES
pref label: ELECTRONS @en
pref label: ELEKTRONEN @de
pref label: ELETTRONI @it
related: AlphaParticles
related: Bremsstrahlung
related: ComptonEffect
related: ComptonScattering
related: ElectronDensity
related: InverseComptonEffect
related: InverseComptonScattering
related: PairAnnihilation
related: PairProduction
related: Photoionization
related: Positrons
related: RadiativeRecombination
related: Radioactivity
related: Recombination
related: ThermionicEmission

ElectrostaticWaves
type: Concept
pref label: ELECTROSTATIC WAVES @en
pref label: ELEKTROSTATISCHE WELLEN @de
pref label: ONDAS ELECTROSTATICAS
pref label: ONDE ELECTROSTATIQUE @fr
pref label: ONDE ELETTROSTATICHE @it
related: ElectricCharge
related: ElectricFields
related: ElectromagneticWaves

ElementaryParticles
type: Concept
alt label: Geladene Teilchen @de
alt label: charged particles @en
alt label: particelle cariche @it
alt label: particulas cargadas
alt label: particule chargee @fr
broader: Particles
narrower: Antiparticles
narrower: Axions
narrower: Baryons
narrower: Bosons
narrower: Gravitons
narrower: Hadrons
narrower: Leptons
narrower: Mesons
narrower: Neutrinos
narrower: Neutrons
narrower: Partons
narrower: Photons
narrower: Pions
narrower: Quarks
pref label: ELEMENTARTEILCHEN @de
pref label: ELEMENTARY PARTICLES @en
pref label: PARTICELLE ELEMENTARI @it
pref label: PARTICULAS ELEMENTALES
pref label: PARTICULES ELEMENTAIRES @fr
related: DarkMatter
related: FeynmanDiagrams
related: ParticleAcceleration
related: ParticleCreation
related: ParticleEscape
related: ParticleInteractions
related: ParticleProduction
related: Plasmas
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

ElementaryParticleScattering
type: Concept
broader: Scattering
pref label: DIFFUSION DES PARTICULES ELEMENTAIRES @fr
pref label: DIFFUSIONE DELLE PARTICELLE ELEMENTARI @it
pref label: DISPERSION DE PARTICULAS ELEMENTALES
pref label: ELEMENTARY PARTICLE SCATTERING @en
pref label: STREUUNG VON ELEMENTARTEILCHEN @de
related: RadiationScattering

ElementFormation
type: Concept
alt label: Elemententstehung @de
alt label: formacion de elementos
alt label: formation des elements @fr
alt label: formation of elements @en
alt label: formazione degli elementi @it
pref label: BILDUNG VON ELEMENTEN @de
pref label: ELEMENT FORMATION @en
pref label: FORMACION DEL ELEMENTOS
pref label: FORMATION DES ELEMENTS @fr
pref label: FORMAZIONE DEGLI ELEMENTI @it
related: Abundance
related: ChemicalElements
related: FrozenInElements
related: Origin

Elevation
type: Concept
alt label: Hoehe @de
alt label: altitude [Hauteur] @fr
alt label: altitude [altura]
alt label: altitude [height] @en
alt label: altitudine @it
pref label: ELEVACION
pref label: ELEVATION @en
pref label: ELEVATION / HOEHE @de
pref label: ELEVAZIONE @it
pref label: HAUTEUR @fr
scope note: Use for height; use ALTITUDE [angle] for angle.

EllipsoidalVariableStars
type: Concept
alt label: ESTRELLAS BINARIAS FOTOMETRICAS
alt label: Ellipsoidische Doppelsterne @de
alt label: binaire ellipsoidale @fr
alt label: ellipsoidal binary stars @en
alt label: estrellas binarias elipsoidales
alt label: etoile double photometrique @fr
alt label: photometric binary stars @en
alt label: photometrische Doppelsterne @de
alt label: stelle binarie ellissoidali @it
alt label: stelle binarie fotometriche @it
broader: BinaryStars
broader: CloseBinaryStars
broader: ContactBinaryStars
broader: VariableStars
narrower: BetaLyraeStars
pref label: ELLIPSOIDAL VARIABLE STARS @en
pref label: ELLIPSOIDISCHE VERAENDERLICHE @de
pref label: ESTRELLAS VARIABLES ELIPSOIDALES
pref label: ETOILE VARIABLE ELLIPSOIDALE @fr
pref label: STELLE VARIABILI ELLISSOIDALI @it
related: EclipsingBinaryStars
related: SpectroscopicBinaryStars

EllipticalGalaxies
type: Concept
alt label: E galaxies @en
alt label: E-Galaxien @de
alt label: galassie E @it
alt label: galaxias E
alt label: galaxies E @fr
broader: Galaxies
narrower: EpGalaxies
narrower: GiantEllipticalGalaxies
narrower: cDGalaxies
pref label: ELLIPTICAL GALAXIES @en
pref label: ELLIPTISCHE GALAXIEN @de
pref label: GALASSIE ELLITTICHE @it
pref label: GALAXIAS ELIPTICAS
pref label: GALAXIE ELLIPTIQUE @fr
related: Oblateness

EllipticalOrbits
type: Concept
alt label: Exzentrische [Umlauf] bahnen @de
alt label: ORBITAS EXCENTRICAS
alt label: eccentric orbits @en
alt label: orbite eccentriche @it
alt label: orbite excentrique @fr
broader: Orbits
broader: PeriodicOrbits
narrower: CircularOrbits
pref label: ELLIPTICAL ORBITS @en
pref label: ELLIPTISCHE BAHNEN @de
pref label: ORBITAS ELIPTICAS
pref label: ORBITE ELLIPTIQUE @fr
pref label: ORBITE ELLITTICHE @it
related: AnnualEquation
related: Eccentricity
related: EquationOfTime
related: HyperbolicOrbits
related: ParabolicOrbits

EmissionCoefficient
type: Concept
pref label: COEFFICIENT D'EMISSION @fr
pref label: COEFFICIENTE DI EMISSIONE @it
pref label: COEFICIENTE DE EMISION
pref label: EMISSION COEFFICIENT @en
pref label: EMISSIONSKOEFFIZIENT @de
related: EinsteinCoefficient

EmissionLineGalaxies
type: Concept
broader: EmissionLineObjects
broader: Galaxies
broader: PeculiarGalaxies
narrower: MarkarianGalaxies
narrower: SeyfertNuclei
pref label: EMISSION LINE GALAXIES @en
pref label: EMISSIONSLINIEN-GALAXIEN @de
pref label: GALASSIE CON RIGHE DI EMISSIONE @it
pref label: GALAXIAS DE LINEAS DE EMISION
pref label: GALAXIE A RAIE D'EMISSION @fr
related: ActiveGalacticNuclei
related: ActiveGalaxies
related: EmissionLines
related: HIiRegions
related: HaroGalaxies
related: SeyfertGalaxies

EmissionLineObjects
type: Concept
narrower: EmissionLineGalaxies
narrower: EmissionLineStars
narrower: EmissionNebulae
narrower: HIiRegions
narrower: HerbigHaroObjects
pref label: EMISSION LINE OBJECTS @en
pref label: EMISSIONSLINIEN-OBJEKTE @de
pref label: OBJET A RAIE D'EMISSION @fr
pref label: OBJETOS DE LINEAS DE EMISION
pref label: OGGETTI CON RIGHE DI EMISSIONE @it
related: EmissionLines
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

EmissionLines
type: Concept
broader: SpectralLines
narrower: CaIiEmissionLines
narrower: CoronalLines
narrower: ForbiddenLines
narrower: RecombinationLines
narrower: XRayLines
pref label: EMISSION LINES @en
pref label: EMISSIONSLINIEN @de
pref label: LINEAS DE EMISION
pref label: RAIE D'EMISSION @fr
pref label: RIGHE DI EMISSIONE @it
related: AtomicProcesses
related: EmissionLineGalaxies
related: EmissionLineObjects
related: EmissionLineStars
related: EmissionNebulae
related: EmissionProcesses
related: EmissionSpectra
related: FlashSpectrum
related: HIiRegions
related: LineFormation
related: LineIdentifications
related: LineIntensitites
related: LineProfiles
related: LineRatios
related: NeumannLines
related: RadioRecombinationLines
related: Spectra
related: SpectroscopicAnalysis

EmissionLineStars
type: Concept
broader: ActiveStars
broader: EmissionLineObjects
narrower: EarlyTypeEmissionStars
narrower: FlareStars
narrower: FlashStars
narrower: GammaCassiopeiaeStars
narrower: MeStars
narrower: MeVariableStars
narrower: MiraVariableStars
narrower: RvTauriStars
narrower: RwAurigaeStars
narrower: SDoradusStars
narrower: ShellStars
narrower: SymbioticStars
narrower: TTauriStars
narrower: XRayStars
narrower: ZAndromedaeStars
pref label: EMISSION LINE STARS @en
pref label: EMISSIONSLINIEN-STERNE @de
pref label: ESTRELLAS DE LINEAS DE EMISION
pref label: ETOILE A RAIE D'EMISSION @fr
pref label: STELLE CON RIGHE DI EMISSIONE @it
related: EmissionLines
related: PCygniLineProfiles
related: PeculiarStars
related: PlanetaryNebulae
related: UGeminorumStars

EmissionNebulae
type: Concept
broader: EmissionLineObjects
broader: GaseousNebulae
broader: Nebulae
narrower: HIiRegions
narrower: HerbigHaroObjects
narrower: PlanetaryNebulae
pref label: EMISSION NEBULAE @en
pref label: EMISSIONSNEBEL @de
pref label: NEBULEUSE A EMISSION @fr
pref label: NEBULOSAS DE EMISION
pref label: NEBULOSE A EMISSIONE @it
related: EmissionLines
related: TTauriStars

EmissionProcesses
type: Concept
pref label: EMISSION PROCESSES @en
pref label: EMISSIONSPROZESSE @de
pref label: PROCESOS DE EMISION
pref label: PROCESSI DI EMISSIONE @it
pref label: PROCESSUS D'EMISSION @fr
related: EmissionLines
related: EmissionSpectra

EmissionSpectra
type: Concept
broader: LineSpectra
broader: Spectra
narrower: XRayEmission
pref label: EMISSION SPECTRA @en
pref label: EMISSIONSSPEKTREN @de
pref label: ESPECTROS DE EMISION
pref label: SPECTRE D'EMISSION @fr
pref label: SPETTRI DI EMISSIONE @it
related: EmissionLines
related: EmissionProcesses
related: FreeBoundEmission
related: LightEmission
related: NeumannLines
related: RamanEffect

Emissivity
type: Concept
pref label: EMISIVIDAD
pref label: EMISSIONSKOEFFIZIENT @de
pref label: EMISSIVITA @it
pref label: EMISSIVITE @fr
pref label: EMISSIVITY @en
related: BlackBodyRadiation
related: Radiation
related: Temperature

Encounters
type: Concept
narrower: GalaxyEncounters
pref label: BEGEGNUNGEN @de
pref label: ENCOUNTERS @en
pref label: ENCUENTROS
pref label: INCONTRI @it
pref label: RENCONTRE @fr
related: GalaxyMergers
related: GravitationalInteractions
related: StellarDynamics
scope note: Generally of stars or galaxies.

EnergeticParticles
type: Concept
pref label: ENERGETIC PARTICLES @en
pref label: ENERGIEREICHE TEILCHEN @de
pref label: PARTICELLE ENERGETICHE @it
pref label: PARTICULAS ENERGETICAS
pref label: PARTICULE ENERGETIQUE @fr
related: Plasmas

Energy
type: Concept
narrower: GravitationalEnergy
narrower: KineticEnergy
narrower: PotentialEnergy
pref label: ENERGIA
pref label: ENERGIE @de
pref label: ENERGY @en
related: Flux
related: Force
scope note: Combine with other terms

EnergyContent
type: Concept
pref label: CONTENIDO DE ENERGIA
pref label: CONTENU ENERGETIQUE @fr
pref label: CONTENUTO ENERGETICO @it
pref label: ENERGIEINHALT @de
pref label: ENERGY CONTENT @en
scope note: Combine with other terms

EnergyDistribution
type: Concept
pref label: DISTRIBUCION DE ENERGIA
pref label: DISTRIBUTION D'ENERGIE @fr
pref label: DISTRIBUZIONE DELL'ENERGIA @it
pref label: ENERGIEVERTEILUNG @de
pref label: ENERGY DISTRIBUTION @en
scope note: Combine with other terms

EnergyLevels
type: Concept
pref label: ENERGIENIVEAUS @de
pref label: ENERGY LEVELS @en
pref label: LIVELLI ENERGETICI @it
pref label: NIVEAU D'ENERGIE @fr
pref label: NIVELES DE ENERGIA
related: Spectra

EnergySources
type: Concept
pref label: ENERGIEQUELLEN @de
pref label: ENERGY SOURCES @en
pref label: FUENTES DE ENERGIA
pref label: SORGENTI DI ENERGIA @it
pref label: SOURCE D'ENERGIE @fr
scope note: Combine with other terms

EnergySpectra
type: Concept
pref label: ENERGIESPEKTREN @de
pref label: ENERGY SPECTRA @en
pref label: ESPECTROS DE ENERGIA
pref label: SPECTRE D'ENERGIE @fr
pref label: SPETTRI DI ENERGIA @it
related: AbsorptionSpectra

EnergyTransfer
type: Concept
alt label: Waermeuebertragung @de
alt label: heat transfer @en
alt label: transfert de chaleur @fr
alt label: transmission del calor
alt label: trasmissione del calore @it
pref label: ENERGIETRANSPORT @de
pref label: ENERGY TRANSFER @en
pref label: TRANSFERENCIA DE ENERGIA
pref label: TRANSFERT D'ENERGIE @fr
pref label: TRASFERIMENTO DI ENERGIA @it
related: AdiabaticProcess
related: Conduction
related: Convection
related: NonlteTransfer
related: Radiation
related: ThermodynamicEquilibrium
related: Thermodynamics

Engineering
type: Concept
pref label: ENGINEERING @en
pref label: INGEGNERIA @it
pref label: INGENIERIA
pref label: INGENIERIE ? @fr
pref label: TECHNIK / INGENIEURWISSEN @de
related: Design
scope note: Combine with other terms

EnglishMounting
type: Concept
broader: EquatorialMounting
pref label: ENGLISCHE RAHMENMONTIERUNG @de
pref label: ENGLISH MOUNTING @en
pref label: MONTATURA ALL' INGLESE @it
pref label: MONTURA INGLESA
pref label: MONTURE ANGLAISE @fr

Enthalpy
type: Concept
pref label: ENTALPIA
pref label: ENTHALPIE @de
pref label: ENTHALPY @en
related: Thermodynamics

Entropy
type: Concept
pref label: ENTROPIA
pref label: ENTROPIE @de
pref label: ENTROPY @en
related: Thermodynamics

Envelopes
type: Concept
pref label: ENVELOPES @en
pref label: ENVELOPPE @fr
pref label: ENVOLTURAS
pref label: HUELLEN @de
pref label: INVILUPPI @it
related: Comets
related: Convection
scope note: Combine with other terms

EpGalaxies
type: Concept
broader: EllipticalGalaxies
broader: PeculiarGalaxies
broader: RadioGalaxies
pref label: Ep GALAXIEN @de
pref label: Ep GALAXIES @en
pref label: GALASSIE Ep @it
pref label: GALAXIAS Ep
pref label: GALAXIE Ep @fr

EphemeralActiveRegions
type: Concept
pref label: EPHEMERAL ACTIVE REGIONS @en
pref label: EPHEMERISCHE AKTIVITAETSREGIONEN @de
pref label: REGION ACTIVE TEMPORAIRE @fr
pref label: REGIONES ACTIVAS EFIMERAS
pref label: REGIONI ATTIVE EFFIMERE @it
related: SolarActivity

Ephemerides
type: Concept
alt label: Nautischer Almanach @de
alt label: almanach nautique @fr
alt label: almanaque nautico
alt label: effemeridi nautiche @it
alt label: nautical almanac @en
pref label: EFEMERIDES
pref label: EFFEMERIDI @it
pref label: EHEMERIDEN @de
pref label: EPHEMERIDE @fr
pref label: EPHEMERIDES @en
related: Almanacs
related: Calendars
related: Catalogs
related: FundamentalStars
related: Time

EphemerisTime
type: Concept
broader: Time
pref label: EPHEMERIDENZEIT @de
pref label: EPHEMERIS TIME @en
pref label: TEMPO DELLE EFFEMERIDI @it
pref label: TEMPS DES EPHEMERIDES @fr
pref label: TIEMPO DE LA EFEMERIDES
related: CivilTime
related: MeanSolarTime
related: SolarDay
related: UniversalTime
related: Year

Epoch
type: Concept
narrower: BesselianEpoch
narrower: JulianEpoch
pref label: EPOCA
pref label: EPOCH @en
pref label: EPOCHE @de
pref label: EPOQUE @fr
related: JulianDate
related: Time

eProcess
type: Concept
pref label: PROCESO E
pref label: PROCESSO e @it
pref label: PROCESSUS e @fr
pref label: e PROCESS @en
pref label: e-PROZESS @de
related: NuclearFusion
related: StellarEvolution
related: Supernovas

EquationOfTheCenter
type: Concept
pref label: EQUATION DU CENTRE @fr
pref label: EQUATION OF THE CENTER @en
pref label: EQUAZIONE DEL CENTRO @it
pref label: ZENTRALGLEICHUNG @de
pref label: ecuacion del centro
related: EarthMoonSystem
related: Moon

EquationOfTheEquinoxes
type: Concept
pref label: AEQUINOKTIALGLEICHUNG @de
pref label: ECUACION DE LOS EQUINOCCIOS
pref label: EQUATION DES EQUINOXES @fr
pref label: EQUATION OF THE EQUINOXES @en
pref label: EQUAZIONE DEGLI EQUINOZI @it
related: EarthRotation
related: EquationOfTime
related: EquinoxPosition
related: Nutation
related: Precession
related: SiderealTime

EquationOfTime
type: Concept
pref label: ECUACION DEL TIEMPO
pref label: EQUATION DU TEMPS @fr
pref label: EQUATION OF TIME @en
pref label: EQUAZIONE DEL TEMPO @it
pref label: ZEITGLEICHUNG @de
related: EarthOrbit
related: EllipticalOrbits
related: EquationOfTheEquinoxes
related: MeanSolarTime

Equator
type: Concept
pref label: AEQUATOR @de
pref label: ECUADOR
pref label: EQUATEUR @fr
pref label: EQUATOR @en
pref label: EQUATORE @it
related: CelestialPoles
related: Declination
related: RightAscension
scope note: Of earth; also see CELESTIAL EQUATOR.

EquatorCorrection
type: Concept
pref label: AEQUATORKORREKTUR @de
pref label: CORRECCION DEL ECUADOR
pref label: CORRECTION EQUATORIALE @fr
pref label: CORREZIONE EQUATORIALE @it
pref label: EQUATOR CORRECTION @en
related: CelestialEquator

EquatorDetermination
type: Concept
pref label: AEQUATORBESTIMMUNG @de
pref label: DETERMINACION DEL ECUADOR
pref label: DETERMINATION DE L'EQUATEUR @fr
pref label: DETERMINAZIONE EQUATORIALE @it
pref label: EQUATOR DETERMINATION @en
related: CelestialEquator

EquatorialBulge
type: Concept
pref label: ABULTAMIENTO ECUATORIAL
pref label: AEQUATORIALER WULST @de
pref label: EQUATORIAL BULGE @en
pref label: RENFLEMENT EQUATORIAL @fr
pref label: RIGONFIAMENTO EQUATORIALE @it
related: Geoid
related: Oblateness
related: Planets
related: Rotation

EquatorialCoordinateSystem
type: Concept
alt label: aequatoriales System @de
alt label: equatorial system @en
alt label: sistema ecuatorial
alt label: sistema equatoriale @it
alt label: systeme equatorial @fr
broader: CoordinateSystems
pref label: AEQUATORIALES KOORDINATENSYSTEM @de
pref label: EQUATORIAL COORDINATE SYSTEM @en
pref label: SISTEMA DE COORDENADAS ECUATORIALES
pref label: SISTEMA DI COORDINATE EQUATORIALI @it
pref label: SYSTEME DE COORDONNEES EQUATORIALES @fr
related: CelestialEquator
related: CelestialPoles
related: Declination
related: EquatorialZones
related: RightAscension

EquatorialMounting
type: Concept
broader: TelescopeMountings
narrower: EnglishMounting
narrower: ForkMounting
narrower: GermanMounting
narrower: HorseshoeMounting
narrower: YokeMounting
pref label: AEQUATORIALE MONTIERUNG @de
pref label: EQUATORIAL MOUNTING @en
pref label: MONTATURA EQUATORIALE @it
pref label: MONTURA ECUATORIAL
pref label: MONTURE EQUATORIALE @fr
related: AltazimuthMounting

EquatorialZones
type: Concept
pref label: AEQUATORIALE GEBIETE / ZONEN @de
pref label: EQUATORIAL ZONES @en
pref label: ZONAS ECUATORIALES
pref label: ZONE EQUATORIALE @fr
pref label: ZONE EQUATORIALI @it
related: Declination
related: EquatorialCoordinateSystem

EquatorPosition
type: Concept
pref label: AEQUATORPOSITION @de
pref label: EQUATOR POSITION @en
pref label: POSICION DEL ECUADOR
pref label: POSITION DE L'EQUATEUR @fr
pref label: POSIZIONE EQUATORIALE @it
related: Astrometry
related: CelestialEquator

Equilibrium
type: Concept
pref label: EQUILIBRE @fr
pref label: EQUILIBRIO
pref label: EQUILIBRIUM @en
pref label: GLEICHGEWICHT @de
scope note: Combine with other terms

EquilibriumFigures
type: Concept
pref label: EQUILIBRIUM FIGURES @en
pref label: FIGURAS DE EQUILIBRIO
pref label: FIGURE D'EQUILIBRE @fr
pref label: FIGURE DI EQUILIBRIO @it
pref label: GLEICHGEWICHTSFIGUREN @de
related: Models

EquinoxCorrection
type: Concept
pref label: AEQUINOKTIALKORREKTUR @de
pref label: CORRECCION DEL EQUINOCCIO
pref label: CORRECTION D'EQUINOXE @fr
pref label: CORREZIONE EQUINOZIALE @it
pref label: EQUINOX CORRECTION @en
related: EquinoxPosition

Equinoxes
type: Concept
narrower: AutumnalEquinox
narrower: MeanEquinox
narrower: VernalEquinox
pref label: AEQUINOKTIEN / TAG-UND-NACHTGLEICHEN @de
pref label: EQUINOCCIOS
pref label: EQUINOXE @fr
pref label: EQUINOXES @en
pref label: EQUINOZI @it
related: CelestialEquator
related: Ecliptic
related: Solstices

EquinoxPosition
type: Concept
pref label: AEQUINOKTIALSTELLUNG /-POSITION @de
pref label: EQUINOX POSITION @en
pref label: POSICION DEL EQUINOCCIO
pref label: POSITION DES EQUINOXES @fr
pref label: POSIZIONE EQUINOZIALE @it
related: EquationOfTheEquinoxes
related: EquinoxCorrection

EquipotentialSurfaces
type: Concept
pref label: AEQUIPOTENTIALFLAECHEN @de
pref label: EQUIPOTENTIAL SURFACES @en
pref label: SUPERFICI EQUIPOTENZIALI @it
pref label: SUPERFICIES EQUIPOTENCIALES
pref label: SURFACE EQUIPOTENTIELLE @fr
related: ContactBinaryStars

EquivalentWidths
type: Concept
broader: LineWidths
pref label: AEQUIVALENTBREITEN @de
pref label: ANCHOS EQUIVALENTES
pref label: EQUIVALENT WIDTHS @en
pref label: LARGEUR EQUIVALENTE @fr
pref label: LARGHEZZE EQUIVALENTI @it
related: Absorption
related: InstrumentalProfiles
related: LineBroadening
related: Spectra
related: SpectralLines

ERegions
type: Concept
broader: KapteynSelectedAreas
pref label: E REGIONS @en
pref label: E-REGIONEN @de
pref label: REGION E @fr
pref label: REGIONES E
pref label: REGIONI E @it
related: JohnsonPhotometry
related: Photometry
related: StromgrenPhotometry

Ergosphere
type: Concept
pref label: ERGOSFERA
pref label: ERGOSPHAERE @de
pref label: ERGOSPHERE @fr
related: BlackHoles
related: EventHorizon
related: VelocityOfLight

ErrorAnalysis
type: Concept
pref label: ANALISI DEGLI ERRORI @it
pref label: ANALISIS DE ERRORES
pref label: ANALYSE DES ERREURS @fr
pref label: ERROR ANALYSIS @en
pref label: FEHLERANALYSE @de
related: DataProcessing
related: DataReduction

Errors
type: Concept
narrower: SelectionEffects
pref label: ERREUR @fr
pref label: ERRORES
pref label: ERRORI @it
pref label: ERRORS @en
pref label: FEHLER @de
related: Corrections
scope note: Combine with other terms

Eruptions
type: Concept
pref label: ERUPCIONES
pref label: ERUPTION @fr
pref label: ERUPTIONEN @de
pref label: ERUPTIONS @en
pref label: ERUZIONI @it
related: CataclysmicVariableStars
related: EruptiveBinaryStars

EruptiveBinaryStars
type: Concept
broader: BinaryStars
broader: CataclysmicVariableStars
narrower: Alpha2CanumVenaticorumStars
narrower: AmCanumVenaticorumStars
narrower: Novas
narrower: SsCygniStars
narrower: SuUrsaeMajorisStars
narrower: SxArietisStars
narrower: SymbioticStars
narrower: UGeminorumStars
narrower: UxUrsaeMajorisStars
narrower: WzSagittaeStars
narrower: XRayBinaryStars
narrower: ZCamelopardalisStars
pref label: BINAIRE ERUPTIVE @fr
pref label: ERUPTIVE BINARY STARS @en
pref label: ERUPTIVE DOPPELSTERNE @de
pref label: ESTRELLAS BINARIAS ERUPTIVAS
pref label: STELLE BINARIE ERUTTIVE @it
related: Eruptions
related: InteractingBinaryStars
related: MassExchange
related: MassLoss
related: XRaySources

EscapeVelocity
type: Concept
broader: Velocity
pref label: ESCAPE VELOCITY @en
pref label: FLUCHTGESCHWINDIGKEIT @de
pref label: VELOCIDAD DE ESCAPE
pref label: VELOCITA DI FUGA @it
pref label: VITESSE D'ECHAPPEMENT @fr
related: OrbitalVelocity
related: ParabolicVelocity

Ethane
type: Concept
broader: Hydrocarbons
pref label: AETHAN @de
pref label: ETANO
pref label: ETHANE @fr

Ethylene
type: Concept
broader: Hydrocarbons
pref label: AETHYLEN @de
pref label: ETHYLENE @fr
pref label: ETILENE; UF ETERE @it
pref label: ETILENO

Evaporation
type: Concept
pref label: EVAPORACION
pref label: EVAPORATION @fr
pref label: EVAPORAZIONE @it
pref label: VERDUNSTUNG @de
scope note: Combine with other terms

EventHorizon
type: Concept
pref label: EREIGNISHORIZONT @de
pref label: EVENT HORIZON @en
pref label: HORIZON DES EVENEMENTS @fr
pref label: HORIZONTE DE EVENTOS
pref label: ORIZZONTE DEGLI EVENTI @it
related: BlackHoles
related: Ergosphere
related: HawkingRadiation
related: VelocityOfLight

EvershedEffect
type: Concept
pref label: EFECTO EVERSHED
pref label: EFFET EVERSHED @fr
pref label: EFFETTO EVERSHED @it
pref label: EVERSHED EFFECT @en
pref label: EVERSHED-EFFEKT @de
related: Sunspots

Evolution
type: Concept
narrower: DynamicalEvolution
narrower: StellarEvolution
pref label: ENTWICKLUNG @de
pref label: EVOLUCION
pref label: EVOLUTION @fr
pref label: EVOLUZIONE @it
related: Galaxies
related: Planets
scope note: Combine with other terms

EvolutionaryTracks
type: Concept
narrower: HayashiTrack
narrower: HenyeyTrack
pref label: CAMINOS EVOLUTIVOS
pref label: ENTWICKLUNGSWEGE @de
pref label: EVOLUTIONARY TRACKS @en
pref label: TRACCE EVOLUTIVE @it
pref label: TRACE EVOLUTIF @fr
related: HertzsprungRussellDiagram
related: StellarEvolution

EvolvedStars
type: Concept
broader: NonmainsequenceStars
narrower: HorizontalBranchStars
narrower: OldStars
narrower: PlanetaryNebulae
narrower: PostmainsequenceStars
narrower: Pulsars
narrower: WhiteDwarfStars
pref label: ENTWICKELTE STERNE @de
pref label: ESTRELLAS EVOLUCIONADAS
pref label: ETOILE EVOLUEE @fr
pref label: EVOLVED STARS @en
pref label: STELLE EVOLUTE @it
related: RedGiantTip
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

Excitation
type: Concept
pref label: ANREGUNG @de
pref label: ECCITAZIONE @it
pref label: EXCITACION
pref label: EXCITATION @fr
related: AtomicProcesses
scope note: Combine with other terms

ExcitingStars
type: Concept
pref label: ANREGENDE STERNE @de
pref label: ESTRELLAS EXITANTES
pref label: ETOILE EXCITATRICE @fr
pref label: EXCITING STARS @en
pref label: STELLE ECCITATRICI @it
related: HIiRegions
related: PlanetaryNebulae

Exobiology
type: Concept
alt label: Astrobiologie @de
alt label: astrobiologia
alt label: astrobiologie @fr
alt label: astrobiology @en
pref label: ESOBIOLOGIA @it
pref label: EXOBIOLOGIA
pref label: EXOBIOLOGIE @de
pref label: EXOBIOLOGY @en
related: Cosmochemistry
related: ExtraterrestrialLife

Exosphere
type: Concept
pref label: ESOSFERA @it
pref label: EXOSFERA
pref label: EXOSPHAERE @de
pref label: EXOSPHERE @fr
related: EarthAtmosphere
related: Ionosphere
related: Magnetosphere
related: Planets
related: Thermosphere
related: Troposphere
related: UpperAtmosphere

ExpandingEnvelopes
type: Concept
broader: CircumstellarEnvelopes
pref label: ENVELOPPE EN EXPANSION @fr
pref label: ENVOLTURAS EN EXPANSION
pref label: EXPANDING ENVELOPES @en
pref label: INVILUPPI IN ESPANSIONE @it
pref label: SICH AUSDEHNENDE HUELLEN @de
related: CircumstellarMatter

ExpandingUniverse
type: Concept
broader: Cosmology
pref label: EXPANDING UNIVERSE @en
pref label: SICH AUSDEHNENDES UNIVERSUM @de
pref label: UNIVERS EN EXPANSION @fr
pref label: UNIVERSO EN EXPANSION
pref label: UNIVERSO IN ESPANSIONE @it

Expansion
type: Concept
pref label: ESPANSIONE @it
pref label: EXPANSION
pref label: EXPANSION /AUSDEHNUNG @de
scope note: Combine with other terms

Explosions
type: Concept
pref label: ESPLOSIONI @it
pref label: EXPLOSION @fr
pref label: EXPLOSIONEN @de
pref label: EXPLOSIONES
pref label: EXPLOSIONS @en
scope note: Combine with other terms

ExtendedObjects
type: Concept
pref label: AUSGEDEHNTE OBJEKTE @de
pref label: EXTENDED OBJECTS @en
pref label: OBJET ETENDU @fr
pref label: OBJETOS EXTENDIDOS
pref label: OGGETTI ESTESI @it
related: ExtendedSources
related: TwoDimensionalSpectra

ExtendedSources
type: Concept
broader: RadioSources
pref label: AUSGEDEHNTE QUELLEN @de
pref label: EXTENDED SOURCES @en
pref label: FUENTES EXTENDIDAS
pref label: SORGENTI ESTESE @it
pref label: SOURCE ETENDUE @fr
related: ExtendedObjects
related: RadioStructure

ExtragalacticObjects
type: Concept
narrower: ExtragalacticRadioSources
narrower: Galaxies
narrower: Quasars
pref label: EXTRAGALACTIC OBJECTS @en
pref label: EXTRAGALAKTISCHE OBJEKTE @de
pref label: OBJET EXTRAGALACTIQUE @fr
pref label: OBJETOS EXTRAGALACTICOS
pref label: OGGETTI EXTRAGALATTICI @it
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

ExtragalacticRadioSources
type: Concept
broader: ExtragalacticObjects
broader: RadioSources
narrower: BlLacertaeObjects
narrower: Quasars
narrower: RadioGalaxies
pref label: EXTRAGALACTIC RADIO SOURCES @en
pref label: EXTRAGALAKTISCHE RADIOQUELLEN @de
pref label: RADIOFUENTES EXTRAGALACTICAS
pref label: RADIOSORGENTI EXTRAGALATTICHE @it
pref label: RADIOSOURCE EXTRAGALACTIQUE @fr

ExtrasolarPlanets
type: Concept
broader: Planets
pref label: EXTRASOLAR PLANETS @en
pref label: EXTRASOLARE PLANETEN @de
pref label: PIANETI EXTRASOLARI @it
pref label: PLANETAS EXTRASOLARES
pref label: PLANETE EXTRA SOLAIRE @fr
related: SolarSystem
related: StarFormation

ExtraterrestrialLife
type: Concept
alt label: Seti @de
alt label: extraterrestrial intelligence @en
alt label: extraterrestrische Intelligenz @de
alt label: inteligencia extraterrestre
alt label: intelligence extraterrestre @fr
alt label: intelligenza extraterrestre @it
alt label: seti
pref label: AUSSERIRDISCHES LEBEN @de
pref label: EXTRATERRESTRIAL LIFE @en
pref label: VIDA EXTRATERRESTRE
pref label: VIE EXTRATERRESTRE @fr
pref label: VITA EXTRATERRESTRE @it
related: Exobiology
related: InterstellarCommunication
related: Life

ExtraterrestrialMatter
type: Concept
pref label: EXTRATERRESTRIAL MATTER @en
pref label: KOSMISCHE MATERIE @de
pref label: MATERIA EXTRATERRESTRE
pref label: MATIERE EXTRATERRESTRE @fr
related: Cosmochemistry

ExtremeCarbonStars
type: Concept
broader: GiantStars
broader: InfraredSources
pref label: ESTRELLAS DE CARBONO EXTREMAS
pref label: ETOILE CARBONEE EXTREME @fr
pref label: EXTREME CARBON STARS @en
pref label: EXTREME KOHLENSTOFFSTERNE @de
pref label: STELLE AL CARBONIO ESTREME @it
related: CircumstellarShells

ExtremeUltravioletRadiation
type: Concept
broader: UltravioletRadiation
pref label: EXTREME ULTRAVIOLET RADIATION @en
pref label: EXTREME ULTRAVIOLETTSTRAHLUNG @de
pref label: RADIACION ULTRAVIOLETA EXTREMA
pref label: RADIAZIONE ULTRAVIOLETTA ESTREMA @it
pref label: RAYONNEMENT DANS L'ULTRAVIOLET LOINTAIN @fr
related: FarUltravioletRadiation
related: NearUltravioletRadiation

Eyepieces
type: Concept
narrower: KellnerEyepiece
narrower: OrthoscopicEyepiece
narrower: RamsdenEyepiece
pref label: EYEPIECES @en
pref label: OCULAIRE @fr
pref label: OCULARES
pref label: OCULARI @it
pref label: OKULARE @de
related: Graticule
related: Lenses
related: OpticalTelescopes
related: Reticle

FabryPerotInterferometers
type: Concept
alt label: Perot-Fabry-Interferometer @de
alt label: interferometre de perot fabry @fr
alt label: interferometri di perot fabry @it
alt label: interferometros de perot fabry
alt label: perot fabry interferometers @en
broader: Interferometers
pref label: FABRY PEROT INTERFEROMETERS @en
pref label: FABRY-PEROT-INTERFEROMETER @de
pref label: INTERFEROMETRE FABRY PEROT @fr
pref label: INTERFEROMETRI DI FABRY PEROT @it
pref label: INTERFEROMETROS FABRY PEROT

FabryPerotSpectrometers
type: Concept
broader: Spectrometers
pref label: ESPECTROMETROS FABRY PEROT
pref label: FABRY PEROT SPECTROMETERS @en
pref label: FABRY-PEROT-SPEKTROMETER / INTERFERENZ-SPEKTROMETER @de
pref label: SPECTROMETRE FABRY PEROT @fr
pref label: SPETTROMETRI DI FABRY PEROT @it

Faculae
type: Concept
pref label: FACKELN @de
pref label: FACOLE @it
pref label: FACULAE @en
pref label: FACULAS
pref label: FACULE @fr
related: Chromosphere
related: Granulation
related: Photosphere
related: Plages

FaintBlueStars
type: Concept
broader: EarlyTypeStars
broader: FaintStars
pref label: ESTRELLAS AZULES DEBILES
pref label: ETOILE BLEUE FAIBLE @fr
pref label: FAINT BLUE STARS @en
pref label: SCHWACHE BLAUE STERNE @de
pref label: STELLE BLU DEBOLI @it

FaintGalaxies
type: Concept
pref label: FAINT GALAXIES @en
pref label: GALASSIE DEBOLI @it
pref label: GALAXIAS DEBILES
pref label: GALAXIE FAIBLE @fr
pref label: SCHWACHE GALAXIEN @de
scope note: Combine with other terms

FaintStars
type: Concept
narrower: FaintBlueStars
pref label: ESTRELLAS DEBILES
pref label: ETOILE FAIBLE @fr
pref label: FAINT STARS @en
pref label: SCHWACHE STERNE @de
pref label: STELLE DEBOLI @it
scope note: Combine with other terms

FalseColorPhotography
type: Concept
broader: Photography
pref label: FALSCHFARBENPHOTOGRAPHIE @de
pref label: FALSE COLOR PHOTOGRAPHY @en
pref label: FOTOGRAFIA EN FALSO COLOR
pref label: FOTOGRAFIA IN FALSI COLORI @it
pref label: IMAGE EN FAUSSES COULEURS @fr

FanaroffRileyClass
type: Concept
pref label: CLASE DE FANAROFF RILEY
pref label: CLASSE DE FANAROFF RILEY @fr
pref label: CLASSE DI FANAROFF RILEY @it
pref label: FANAROFF RILEY CLASS @en
pref label: FANAROFF-RILEY-KLASSE @de
related: Galaxies
related: RadioGalaxies

FaradayEffect
type: Concept
alt label: Faraday-Drehung @de
alt label: faraday rotation @en
alt label: rotacion de faraday
alt label: rotation de Faraday @fr
alt label: rotazione di faraday @it
broader: MagnetoOpticalEffects
pref label: EFECTO FARADAY
pref label: EFFET FARADAY @fr
pref label: EFFETTO FARADAY @it
pref label: FARADAY EFFECT @en
pref label: FARADAY-EFFEKT / MAGNETOROTATION @de
related: HIiRegions
related: PolarizationWaves
related: PolarizedRadiation

FarInfraredRadiation
type: Concept
broader: InfraredRadiation
pref label: FAR INFRARED RADIATION @en
pref label: FERNE INFRAROTSTRAHLUNG @de
pref label: RADIACION INFRARROJA LEJANA
pref label: RADIAZIONE INFRAROSSA LONTANA @it
pref label: RAYONNEMENT INFRAROUGE LOINTAIN @fr
related: InfraredPhotometry
related: MMagnitude
related: NMagnitude
related: NearInfraredRadiation
related: OMagnitude
related: PMagnitude
related: QMagnitude

FarUltravioletRadiation
type: Concept
broader: UltravioletRadiation
pref label: FAR ULTRAVIOLET RADIATION @en
pref label: FERNE ULTRAVIOLETTSTRAHLUNG @de
pref label: RADIACION ULTRAVIOLETA LEJANA
pref label: RADIAZIONE ULTRAVIOLETTA LONTANA @it
pref label: RAYONNEMENT UV LOINTAIN @fr
related: ExtremeUltravioletRadiation
related: NearUltravioletRadiation

FastFourierTransforms
type: Concept
broader: FourierTransforms
pref label: FAST FOURIER TRANSFORMS @en
pref label: SCHNELLE FOURIER-TRANSFORMATION @de
pref label: TRANSFORMACIONES RAPIDAS DE FOURIER
pref label: TRANSFORMEE DE FOURIER RAPIDE @fr
pref label: TRASFORMATE DI FOURIER RAPIDE @it

FastNovas
type: Concept
broader: Novas
pref label: FAST NOVAS @en
pref label: NOVA RAPIDE @fr
pref label: NOVAE RAPIDE @it
pref label: NOVAS RAPIDAS
pref label: SCHNELLE NOVAE @de
related: RecurrentNovas
related: SlowNovas

FCorona
type: Concept
alt label: componente f
alt label: composante f @fr
alt label: f component @en
alt label: f-Komponente @de
broader: Coronas
pref label: CORONA F
pref label: COURONNE F @fr
pref label: F CORONA @en
pref label: F-KORONA @de
related: ZodiacalLight

FDwarfStars
type: Concept
broader: DwarfStars
broader: FStars
pref label: ESTRELLAS ENANAS F
pref label: ETOILE F NAINE @fr
pref label: F DWARF STARS @en
pref label: F-ZWERGSTERNE @de
pref label: STELLE NANE F @it

FeedHorns
type: Concept
pref label: ALIMENTADOR DE BOCINA
pref label: CORNET D'ALIMENTATION @fr
pref label: EMPFANGSHOERNER @de
pref label: FEED HORNS @en
pref label: ILLUMINATORI A TROMBA @it
related: Antennas
related: Feeds
related: HornAntennas
related: RadioTelescopes
related: TelescopeInstrumentation

Feeds
type: Concept
pref label: ALIMENTADORES
pref label: ALIMENTATION @fr
pref label: ALIMENTATORI @it
pref label: EINSPEISUNG / ANTENNENZULEITUNG @de
pref label: FEEDS @en
related: FeedHorns
related: TelescopeInstrumentation

FermiDiracNuclei
type: Concept
broader: NucleiAtoms
pref label: FERMI DIRAC NUCLEI @en
pref label: FERMI-DIRAC-ATOMKERNE @de
pref label: NOYAU DE FERMI DIRAC @fr
pref label: NUCLEI DI FERMI DIRAC @it
pref label: NUCLEOS FERMI DIRAC
related: BoseEinsteinNuclei
related: FermiDiracStatistics

FermiDiracStatistics
type: Concept
pref label: ESTADISTICA DE FERMI DIRAC
pref label: FERMI DIRAC STATISTICS @en
pref label: FERMI-DIRAC STATISTIK @de
pref label: STATISTICA DI FERMI DIRAC @it
pref label: STATISTIQUE DE FERMI DIRAC @fr
related: BoseEinsteinStatistics
related: FermiDiracNuclei
related: QuantumMechanics

FermiInteraction
type: Concept
broader: WeakInteractions
pref label: FERMI INTERACTION @en
pref label: FERMI-WECHSELWIRKUNG @de
pref label: INTERACCION DE FERMI
pref label: INTERACTION DE FERMI @fr
pref label: INTERAZIONE DI FERMI @it

Fermions
type: Concept
broader: FundamentalParticles
pref label: FERMION @fr
pref label: FERMIONEN @de
pref label: FERMIONES
pref label: FERMIONI @it
pref label: FERMIONS @en
related: Bosons

FeynmanDiagrams
type: Concept
pref label: DIAGRAMAS DE FEYNMAN
pref label: DIAGRAMME DE FEYNMAN @fr
pref label: DIAGRAMMI DI FEYNMAN @it
pref label: FEYNMAN DIAGRAMS @en
pref label: FEYNMAN-DIAGRAMME @de
related: ElementaryParticles

FeynmanIntegrals
type: Concept
pref label: FEYNMAN INTEGRALS @en
pref label: FEYNMAN-INTEGRALE @de
pref label: INTEGRALE DE FEYNMAN @fr
pref label: INTEGRALES DE FEYNMAN
pref label: INTEGRALI DI FEYNMAN @it

FGiantStars
type: Concept
broader: FStars
broader: GiantStars
pref label: ESTRELLAS GIGANTES F
pref label: ETOILE F GEANTE @fr
pref label: F GIANT STARS @en
pref label: F-RIESENSTERNE @de
pref label: STELLE GIGANTI F @it

FiberOptics
type: Concept
broader: Optics
pref label: FIBER OPTICS @en
pref label: GLASFASEROPTIK @de
pref label: OPTICA DE FIBRAS
pref label: OPTIQUE A FIBRES @fr
pref label: OTTICA DELLE FIBRE @it
related: OpticalFibers

Fibrilles
type: Concept
pref label: FADENSTRUKTUREN @de
pref label: FIBRILLAS
pref label: FIBRILLE @it
pref label: FIBRILLES @en
related: Chromosphere

FieldCorrectors
type: Concept
alt label: Korrektionslinsen @de
alt label: LENTES CORRECTORES
alt label: correcting lenses @en
alt label: lenti correttive @it
alt label: lentille correctrice @fr
broader: Lenses
broader: OpticalComponents
pref label: CORRECTEUR DE CHAMP @fr
pref label: CORRECTORES DE CAMPO
pref label: CORRETTORI DI CAMPO @it
pref label: FELDKORREKTIONSPLATTEN / FELDKORREKTURLINSEN @de
pref label: FIELD CORRECTORS @en
related: CatadioptricSystems
related: CorrectorPlates
related: FocalReducers
related: OpticalInstruments

FieldCurvature
type: Concept
alt label: Kruemmuny des Feldes @de
alt label: courbure de champ @fr
alt label: curvatura de campo
alt label: curvatura di campo @it
alt label: curvature of field @en
broader: Aberrations
pref label: BILDFELDKRUEMMUNG @de
pref label: COURBURE DE CHAMP @fr
pref label: CURVATURA DEL CAMPO
pref label: CURVATURA DI CAMPO @it
pref label: FIELD CURVATURE @en
related: Astigmatism
related: ChromaticAberration
related: Coma
related: Distortion
related: OpticalSystems
related: SphericalAberration

FieldEquations
type: Concept
pref label: ECUACIONES DE CAMPO
pref label: EQUATION DU CHAMP @fr
pref label: EQUAZIONI DI CAMPO @it
pref label: FELDGLEICHUNGEN @de
pref label: FIELD EQUATIONS @en
related: ElectromagneticFields
related: Relativity

FieldGalaxies
type: Concept
pref label: EINZELGALAXIEN / FELDGALAXIEN @de
pref label: FIELD GALAXIES @en
pref label: GALASSIE DI CAMPO @it
pref label: GALAXIAS DE CAMPO
pref label: GALAXIE DU CHAMP @fr
scope note: Generally, foreground or background objects

FieldOfView
type: Concept
pref label: BILDFELD @de
pref label: CAMPO DE VISTA
pref label: CAMPO VISIVO; UF CAMPO DI VISTA @it
pref label: CHAMP @fr
pref label: FIELD OF VIEW @en
related: Vignetting
scope note: At telescopes' foci.

FieldStars
type: Concept
pref label: ESTRELLAS DE CAMPO
pref label: ETOILE DE CHAMP @fr
pref label: FELDSTERNE @de
pref label: FIELD STARS @en
pref label: STELLE DI CAMPO @it
scope note: Generally, foreground or background objects

Figuring
type: Concept
broader: Polishing
pref label: FIGURING @en
related: HartmannTest
related: Lenses
related: Mirrors
related: OpticalTesting
related: SurfacesOptical
scope note: Polishing optics to accurate shape.

FilamentaryNebulae
type: Concept
broader: Nebulae
pref label: FASERNEBEL @de
pref label: FILAMENTARY NEBULAE @en
pref label: NEBULEUSE A FILAMENTS @fr
pref label: NEBULOSAS DE FILAMENTOS
pref label: NEBULOSE FILAMENTOSE @it
related: FilamentsNebulae

FilamentsNebulae
type: Concept
broader: InterstellarMatter
pref label: FILAMENT [NEBULEUSE] @fr
pref label: FILAMENTE @de
pref label: FILAMENTI [NEBULOSE] @it
pref label: FILAMENTOS [NEBULOSAS]
pref label: FILAMENTS [NEBULAE] @en
related: FilamentaryNebulae
related: Nebulae

FilamentsSolar
type: Concept
pref label: FILAMENT [SOLEIL] @fr
pref label: FILAMENTE @de
pref label: FILAMENTI [SOLARI] @it
pref label: FILAMENTOS [SOLARES]
pref label: FILAMENTS [SOLAR] @en
related: Chromosphere
related: Flares
related: Prominences
related: Sun
related: Sunspots

FillingFactor
type: Concept
pref label: FACTEUR DE REMPLISSAGE @fr
pref label: FACTOR DE LLENADO
pref label: FATTORE DI RIEMPIMENTO @it
pref label: FILLING FACTOR @en
pref label: FUELLFAKTOR @de
related: TelescopeArrays

Filters
type: Concept
narrower: InterferenceFilters
narrower: OpticalFilters
pref label: FILTER @de
pref label: FILTERS @en
pref label: FILTRE @fr
pref label: FILTRI @it
pref label: FILTROS
related: Attenuation

FindingCharts
type: Concept
pref label: AUFSUCHEKARTEN @de
pref label: CARTAS DE LOCALIZACION
pref label: CARTE D'IDENTIFICATION DE CHAMP @fr
pref label: FINDING CHARTS @en
pref label: MAPPE PER LA RICERCA @it
related: Atlases
related: Maps
related: SkySurveys
related: StarAtlases

FindingLists
type: Concept
pref label: FINDING LISTS @en
pref label: LISTAS DE IDENTIFICACION
pref label: LISTE D'IDENTIFICATION @fr
pref label: LISTE DI REPERIMENTO @it
pref label: SUCHLISTEN @de
related: Catalogs

FineAnalyses
type: Concept
broader: Analyses
pref label: ANALISI FINI @it
pref label: ANALISIS FINO
pref label: ANALYSE FINE @fr
pref label: FEINANALYSE @de
pref label: FINE ANALYSES @en
related: DataReduction

FineStructure
type: Concept
pref label: ESTRUCTURA FINA
pref label: FEINSTRUKTUR @de
pref label: FINE STRUCTURE @en
pref label: STRUCTURE FINE @fr
pref label: STRUTTURA FINE @it
related: MolecularLines
related: SpectralLines

Fireballs
type: Concept
broader: Meteors
pref label: BOLIDE @fr
pref label: BOLIDI @it
pref label: FEUERKUGELN @de
pref label: FIREBALLS @en
pref label: bolidos
related: Bolides

FkCatalogSystem
type: Concept
pref label: FK CATALOG SYSTEM @en
pref label: FK SYSTEM @de
pref label: SISTEMA CATALOGRAFICO FK @it
pref label: SISTEMA DEL CATALOGO FK
pref label: SYSTEME DE REFERENCE DU CATALOGUE FK @fr
related: Catalogs

Flares
type: Concept
alt label: Chromosphaerische Eruption @de
alt label: chromospheric eruptions @en
alt label: erupciones cromosfericas
alt label: eruption chromospherique @fr
alt label: eruzioni cromosferiche @it
narrower: OpticalFlares
narrower: Outbursts
narrower: RadioFlares
narrower: XRayFlares
pref label: BRILLAMENTI @it
pref label: ERUPTION @fr
pref label: FLARES @en
pref label: FLARES / ERUPTIONEN / AUSBRUECHE @de
pref label: FULGURACIONES
related: ActiveSun
related: Bursts
related: FilamentsSolar
related: Prominences
related: SolarActivity
related: Sun

FlareStars
type: Concept
broader: DwarfStars
broader: EmissionLineStars
broader: InfraredSources
broader: RadioStars
narrower: ByDraconisStars
narrower: RedDwarfFlareStars
narrower: UvCetiStars
pref label: ERUPTIONSSTERNE @de
pref label: ESTRELLAS FULGURANTES
pref label: ETOILE A ERUPTION @fr
pref label: FLARE STARS @en
pref label: STELLE A BRILLAMENTI @it
related: FlashStars
related: OpticalFlares
related: OpticalOutbursts
related: RadioFlares
related: TAssociations

FlashSpectrum
type: Concept
pref label: ESPECTRO RAFAGA
pref label: FLASH SPECTRUM @en
pref label: FLASHSPEKTRUM @de
pref label: SPECTRE CHROMOSPHERIQUE EN EMISSION @fr
pref label: SPETTRO FLASH @it
related: Chromosphere
related: EmissionLines
related: SolarEclipse

FlashStars
type: Concept
broader: EmissionLineStars
broader: PremainsequenceStars
pref label: ESTRELLAS RAFAGA
pref label: ETOILE A SURSAUTS DE LUMIERE @fr
pref label: FLASH STARS @en
pref label: FLASHSTERNE @de
pref label: STELLE FLASH @it
related: FlareStars
related: TAssociations
related: UvCetiStars

FlatFields
type: Concept
pref label: CAMPOS PLANOS?
pref label: FLAT FIELD / CHAMP UNIFORME @fr
pref label: FLAT FIELDS @it
related: ImageProcessing
related: TwoDimensionalDetectors

Flattening
type: Concept
pref label: ABPLATTUNG / FLACHERWERDEN / ABFLACHEN @de
pref label: APLANAMIENTO
pref label: APLATISSEMENT @fr
pref label: APPIATTIMENTO @it
pref label: FLATTENING @en
scope note: Combine with other terms

FLayer
type: Concept
alt label: F-Region @de
alt label: f region @en
alt label: region f
alt label: regione f @it
pref label: CAPA F
pref label: COUCHE F @fr
pref label: F LAYER @en
pref label: F-SCHICHT @de
pref label: STRATO F @it
related: EarthAtmosphere
related: Ionosphere
scope note: Earth upper atmosphere.

Flexure
type: Concept
pref label: BIEGUNG @de
pref label: FLESSIONE @it
pref label: FLEXION
pref label: FLEXURE @en
scope note: Combine with other terms

Flow
type: Concept
narrower: NonequilibriumFlow
pref label: FLOW @en
pref label: FLUJO
pref label: FLUSS / STROEMUNG @de
pref label: FLUSSO @it
pref label: FLUX @fr
related: FluidDynamics
scope note: Combine with other terms

FlowInstability
type: Concept
pref label: FLOW INSTABILITY @en
pref label: INESTABILIDAD DE FLUJO
pref label: INSTABILITA DI FLUSSO @it
pref label: INSTABILITE DU FLUX @fr
pref label: STROEMUNGSINSTABILITAET @de
related: NonequilibriumFlow

Fluctuations
type: Concept
pref label: FLUCTUACIONES
pref label: FLUCTUATION @fr
pref label: FLUCTUATIONS @en
pref label: FLUTTUAZIONI @it
pref label: SCHWANKUNGEN @de
scope note: Combine with other terms

FluidDynamics
type: Concept
broader: FluidMechanics
narrower: Hydrodynamics
narrower: RelativisticFluidDynamics
pref label: DINAMICA DE FLUIDOS
pref label: DINAMICA DEI FLUIDI @it
pref label: DYNAMIQUE DES FLUIDES @fr
pref label: FLUID DYNAMICS @en
pref label: STROEMUNGSDYNAMIK @de
related: Flow
related: MassTransfer

FluidMechanics
type: Concept
narrower: FluidDynamics
pref label: FLUID MECHANICS @en
pref label: MECANICA DE FLUIDOS
pref label: MECANIQUE DES FLUIDES @fr
pref label: MECCANICA DEI FLUIDI @it
pref label: STROEMUNGSMECHANIK @de
related: RayleighTaylorInstability

Fluorescence
type: Concept
narrower: XRayFluorescence
pref label: FLUORESCENCE @fr
pref label: FLUORESCENCIA
pref label: FLUORESCENZA @it
pref label: FLUORESZENZ @de
related: Luminescence
related: Photoluminescence
related: Spectra

Flux
type: Concept
pref label: FLUJO
pref label: FLUSS / STROEMUNG @de
pref label: FLUSSO @it
pref label: FLUX @fr
related: Energy
related: Luminosity
scope note: Combine with other terms

FluxDensity
type: Concept
pref label: DENSIDAD DE FLUJO
pref label: DENSITA DI FLUSSO @it
pref label: DENSITE DE FLUX @fr
pref label: FLUSSDICHTE @de
pref label: FLUX DENSITY @en
related: Luminosity
related: Radiation

FocalLength
type: Concept
pref label: BRENNWEITE @de
pref label: DISTANCE FOCALE @fr
pref label: DISTANZA FOCALE @it
pref label: FOCAL LENGTH @en
pref label: LONGITUD FOCAL
related: FocalReducers
related: Focus

FocalReducers
type: Concept
pref label: FOCAL REDUCERS @en
pref label: FOKALREDUKTOREN @de
pref label: REDUCTEUR FOCAL @fr
pref label: REDUCTORES FOCALES
pref label: RIDUTTORI FOCALI @it
related: FieldCorrectors
related: FocalLength

Focus
type: Concept
narrower: CassegrainFocus
narrower: CoudeFocus
narrower: NasmythFocus
narrower: NewtonianFocus
narrower: PrimeFocus
pref label: FOCO
pref label: FOCUS @en
pref label: FOKUS / BRENNPUNKT @de
pref label: FOYER @fr
pref label: FUOCO @it
related: Aberrations
related: FocalLength
related: Telescopes

FokkerPlanckEquation
type: Concept
pref label: ECUACION DE FOKKER PLANCK
pref label: EQUATION DE FOKKER PLANCK @fr
pref label: EQUAZIONE DI FOKKER PLANCK @it
pref label: FOKKER PLANCK EQUATION @en
pref label: FOKKER-PLANCK-GLEICHUNG @de
related: StellarDynamics

ForbiddenLines
type: Concept
broader: EmissionLines
pref label: FORBIDDEN LINES @en
pref label: LINEAS PROHIBIDAS
pref label: RAIE INTERDITE @fr
pref label: RIGHE PROIBITE @it
pref label: VERBOTENE LINIEN @de
related: ForbiddenTransitions
related: Nebulae
related: Spectra

ForbiddenTransitions
type: Concept
pref label: FORBIDDEN TRANSITIONS @en
pref label: TRANSICIONES PROHIBIDAS
pref label: TRANSITION INTERDITE @fr
pref label: TRANSIZIONI PROIBITE @it
pref label: VERBOTENE UEBERGAENGE @de
related: ForbiddenLines
related: Nebulae
related: Spectra

ForbushEffect
type: Concept
pref label: EFECTO FORBUSH
pref label: EFFET FORBUSH @fr
pref label: EFFETTO FORBUSH @it
pref label: FORBUSH EFFECT @en
pref label: FORBUSH-EFFEKT @de
related: CosmicRays
related: SolarPhysics

Force
type: Concept
narrower: CentrifugalForce
narrower: CentripetalForce
narrower: ElectromagneticForces
narrower: GravitationalForce
pref label: FORCE @fr
pref label: FORZA @it
pref label: FUERZA
pref label: KRAFT @de
related: ElectricFields
related: Energy
related: MagneticFields
scope note: Combine with other terms

Forecasts
type: Concept
pref label: FORECASTS @en
pref label: PREVISION @fr
pref label: PREVISIONI @it
pref label: PRONOSTICOS
pref label: VORHERSAGEN @de
related: Predictions
scope note: Combine with other terms

ForkMounting
type: Concept
broader: EquatorialMounting
pref label: FORK MOUNTING @en
pref label: GABELMONTIERUNG @de
pref label: MONTATURA A FORCELLA @it
pref label: MONTURA EN HORQUILLA
pref label: MONTURE A FOURCHE @fr

Formation
type: Concept
pref label: ENTSTEHUNG / BILDUNG @de
pref label: FORMACION
pref label: FORMATION @fr
pref label: FORMAZIONE @it
scope note: Combine with other terms

FourierAnalysis
type: Concept
alt label: analisi in serie di funzioni @it
alt label: analisis armonico
alt label: analyse harmonique @fr
alt label: harmonic analysis @en
alt label: harmonische Analyse @de
pref label: ANALISI DI FOURIER @it
pref label: ANALISIS DE FOURIER
pref label: ANALYSE DE FOURIER @fr
pref label: FOURIER ANALYSIS @en
pref label: FOURIER-ANALYSE @de
related: FourierComponents
related: FourierTransforms
related: FundamentalFrequency
related: HarmonicFrequencies
related: MaximumEntropyMethods
related: MultiperiodicPulsation
related: OvertoneFrequencies
related: WaveformAnalysis

FourierComponents
type: Concept
pref label: COMPONENTES DE FOURIER
pref label: COMPONENTI DI FOURIER @it
pref label: COMPOSANTE DE FOURIER @fr
pref label: FOURIER COMPONENTS @en
pref label: FOURIER-KOMPONENTEN @de
related: FourierAnalysis
related: HarmonicFrequencies

FourierSpectrometers
type: Concept
broader: Spectrometers
pref label: ESPECTROMETROS DE FOURIER
pref label: FOURIER SPECTROMETERS @en
pref label: FOURIER-SPEKTROMETER @de
pref label: SPECTROMETRE DE FOURIER @fr
pref label: SPETTROMETRI DI FOURIER @it

FourierTransforms
type: Concept
narrower: FastFourierTransforms
pref label: FOURIER TRANSFORMS @en
pref label: FOURIER-TRANSFORMATION @de
pref label: TRANSFORMACIONES DE FOURIER
pref label: TRANSFORMEE DE FOURIER @fr
pref label: TRASFORMATE DI FOURIER @it
related: FourierAnalysis

FourierTransformSpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA DE TRANSFORMACION DE FOURIER
pref label: FOURIER TRANSFORM SPECTROSCOPY @en
pref label: FOURIER-TRANSFORMATIONS-SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE A TRANSFORMEE DE FOURIER @fr
pref label: SPETTROSCOPIA CON TRASFORMATE DI FOURIER @it

Fragmentation
type: Concept
pref label: AUFSPALTUNG / FRAGMENTIERUNG @de
pref label: FRAGMENTACION
pref label: FRAGMENTATION @fr
pref label: FRAMMENTAZIONE @it
scope note: Combine with other terms

Fragments
type: Concept
pref label: FRAGMENT @fr
pref label: FRAGMENTE / BRUCHSTUECKE @de
pref label: FRAGMENTOS
pref label: FRAGMENTS @en
pref label: FRAMMENTI @it
scope note: Combine with other terms

FraunhoferLines
type: Concept
narrower: GBand
narrower: HLine
narrower: KLine
narrower: bBand
pref label: FRAUNHOFER LINES @en
pref label: FRAUNHOFER-LINIEN @de
pref label: LINEAS DE FRAUNHOFER
pref label: RAIE DE FRAUNHOFER @fr
pref label: RIGHE DI FRAUNHOFER @it
related: AbsorptionSpectra
related: Sun
scope note: Not a complete list of terms.

FreeBoundEmission
type: Concept
broader: RadiationMechanisms
pref label: EMISION LIBRE LIGADA
pref label: EMISSION LIBRE-LIE @fr
pref label: EMISSIONE LIBERO LEGATO @it
pref label: FREE BOUND EMISSION @en
pref label: FREI-GEBUNDEN-EMISSION @de
related: EmissionSpectra
related: Spectra

FreeFreeEmission
type: Concept
broader: RadiationMechanisms
pref label: EMISION LIBRE LIBRE
pref label: EMISSION LIBRE-LIBRE @fr
pref label: EMISSIONE LIBERO LIBERO @it
pref label: FREE FREE EMISSION @en
pref label: FREI-FREI-EMISSION / -STRAHLUNG @de
related: Spectra
related: ThermalEmission

FRegions
type: Concept
broader: KapteynSelectedAreas
pref label: F REGIONS @en
pref label: F-REGIONEN @de
pref label: REGION F @fr
pref label: REGIONES F
pref label: REGIONI F @it
related: JohnsonPhotometry
related: Photometry
related: StromgrenPhotometry

Frequency
type: Concept
pref label: FRECUENCIA
pref label: FREQUENCE @fr
pref label: FREQUENCY @en
pref label: FREQUENZ @de
pref label: FREQUENZA @it
related: Wavelength
scope note: Combine with other terms

FrequencyAnalysis
type: Concept
pref label: ANALISI DI FREQUENZA @it
pref label: ANALISIS DE FRECUENCIA
pref label: ANALYSE DES FREQUENCES @fr
pref label: FREQUENCY ANALYSIS @en
pref label: FREQUENZANALYSE @de
related: MaximumEntropyMethods
related: MultiperiodicPulsation

FrequencyDistribution
type: Concept
pref label: DISTRIBUCION DE FRECUENCIA
pref label: DISTRIBUTION DES FREQUENCES @fr
pref label: DISTRIBUZIONE DI FREQUENZA @it
pref label: FREQUENCY DISTRIBUTION @en
pref label: FREQUENZVERTEILUNG @de
related: DistributionFunction
related: HessDiagram

FrequencyShift
type: Concept
pref label: CORRIMIENTO EN FRECUENCIA
pref label: DEPLACEMENT EN FREQUENCE @fr
pref label: FREQUENCY SHIFT @en
pref label: FREQUENZVERSCHIEBUNG @de
pref label: SPOSTAMENTO DI FREQUENZA @it
related: BlueShift
related: Pulsars
related: Redshift

FrequencyStandards
type: Concept
pref label: CAMPIONI DI FREQUENZA @it
pref label: ESTANDARES DE FRECUENCIA
pref label: FREQUENCE DE REFERENCE @fr
pref label: FREQUENCY STANDARDS @en
pref label: FREQUENZSTANDARD @de
related: Instrumentation

Friction
type: Concept
narrower: DynamicalFriction
pref label: ATTRITO @it
pref label: FRICCION
pref label: FRICTION @fr
pref label: REIBUNG @de

FriedmannUniverse
type: Concept
broader: Cosmology
pref label: FRIEDMANN UNIVERSE @en
pref label: FRIEDMANN-UNIVERSUM @de
pref label: UNIVERS DE FRIEDMANN @fr
pref label: UNIVERSO DE FRIEDMANN
pref label: UNIVERSO DI FRIEDMANN @it
related: BigBangTheory
related: OscillatingUniverse

FrozenInElements
type: Concept
pref label: EINGEFRORENE ELEMENTE ? @de
pref label: ELEMENT PIEGE @fr
pref label: ELEMENTI CONGELATI @it
pref label: ELEMENTOS CONGELADOS ADENTRO?
pref label: FROZEN IN ELEMENTS @en
related: ElementFormation
related: Supernovas

FStars
type: Concept
broader: IntermediateTypeStars
narrower: FDwarfStars
narrower: FGiantStars
narrower: FSubdwarfStars
narrower: FSubgiantStars
narrower: FSupergiantStars
pref label: ESTRELLAS F
pref label: ETOILE F @fr
pref label: F STARS @en
pref label: F-STERNE @de
pref label: STELLE F @it
related: SpectralTypes

FSubdwarfStars
type: Concept
broader: FStars
broader: SubdwarfStars
pref label: ESTRELLAS SUBENANAS F
pref label: ETOILE F SOUS NAINE @fr
pref label: F SUBDWARF STARS @en
pref label: F-UNTERZWERGE @de
pref label: STELLE SUBNANE F @it

FSubgiantStars
type: Concept
broader: FStars
broader: SubgiantStars
pref label: ESTRELLAS SUBGIGANTES F
pref label: ETOILE F SOUS GEANTE @fr
pref label: F SUBGIANT STARS @en
pref label: F-UNTERRIESEN @de
pref label: STELLE SUBGIGANTI F @it

FSupergiantStars
type: Concept
broader: FStars
broader: SupergiantStars
pref label: ESTRELLAS SUPERGIGANTES F
pref label: ETOILE F SUPERGEANTE @fr
pref label: F SUPERGIANT STARS @en
pref label: F-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI F @it

Functions
type: Concept
narrower: DistributionFunction
pref label: FONCTION @fr
pref label: FUNCIONES
pref label: FUNCTIONS @en
pref label: FUNKTIONEN @de
pref label: FUNZIONI @it
scope note: In mathematics.

FundamentalConstants
type: Concept
narrower: AstronomicalConstants
pref label: CONSTANTE FONDAMENTALE @fr
pref label: CONSTANTES FUNDAMENTALES
pref label: COSTANTI FONDAMENTALI @it
pref label: FUNDAMENTAL CONSTANTS @en
pref label: FUNDAMENTALKONSTANTEN @de

FundamentalFrequency
type: Concept
pref label: FRECUENCIA FUNDAMENTAL
pref label: FREQUENCE FONDAMENTALE @fr
pref label: FREQUENZA FONDAMENTALE @it
pref label: FUNDAMENTAL FREQUENCY @en
pref label: FUNDAMENTALFREQUENZ @de
related: FourierAnalysis
related: FundamentalMode
related: HarmonicFrequencies
related: OvertoneFrequencies
related: VariableStars

FundamentalMode
type: Concept
broader: PulsationModes
pref label: FUNDAMENTAL MODE @en
pref label: GRUND-MODE @de
pref label: MODE FONDAMENTAL @fr
pref label: MODO FONDAMENTALE @it
pref label: MODO FUNDAMENTAL
related: FundamentalFrequency
related: OvertoneModes

FundamentalParticles
type: Concept
broader: Particles
narrower: Electrons
narrower: Fermions
narrower: Neutrons
narrower: Protons
pref label: ELEMENTARTEILCHEN @de
pref label: FUNDAMENTAL PARTICLES @en
pref label: PARTICELLE FONDAMENTALI @it
pref label: PARTICULAS FUNDAMENTALES
pref label: PARTICULE FONDAMENTALE @fr

FundamentalStars
type: Concept
pref label: ESTRELLAS FUNDAMENTALES
pref label: ETOILE FONDAMENTALE @fr
pref label: FUNDAMENTAL STARS @en
pref label: FUNDAMENTALSTERNE @de
pref label: STELLE FONDAMENTALI @it
related: Astrometry
related: Catalogs
related: Ephemerides

FundamentalSystem
type: Concept
pref label: FUNDAMENTAL SYSTEM @en
pref label: FUNDAMENTALSYSTEM @de
pref label: SISTEMA FONDAMENTALE @it
pref label: SISTEMA FUNDAMENTAL
pref label: SYSTEME FONDAMENTAL @fr
related: Positions
scope note: Combine with other terms

Funneling
type: Concept
pref label: ESTRANGULAMIENTO
pref label: ETRANGLEMENT @fr
pref label: FUNNELING @en
pref label: INCANALAMENTO @it
pref label: TRICHTERBILDUNG @de
related: LateTypeGiantStars
related: StellarEvolution

FuOrionisStars
type: Concept
broader: InfraredSources
broader: TTauriStars
pref label: ESTRELLAS FU ORIONIS
pref label: ETOILES FU ORIONIS @fr
pref label: FU ORIONIS STARS @en
pref label: FU ORIONIS STERNE @de
pref label: STELLE FU ORIONIS @it
related: MassLoss
related: TAssociations

FutureLightCone
type: Concept
broader: LightCone
pref label: CONE DE LUMIERE DU FUTURE @fr
pref label: CONO DE LUZ DEL FUTURO
pref label: CONO DI LUCE DEL FUTURO @it
pref label: FUTURE LIGHT CONE @en
pref label: ZUKUNFTS-LICHTKEGEL @de
related: PastLightCone

Galactic
type: Concept
pref label: GALACTIC @en
scope note: Used as an adjective only for Milky Way properties. See also GALAXY.

GalacticAnticenter
type: Concept
alt label: Antizentrum @de
alt label: anticenter @en
alt label: anticentre @fr
alt label: anticentro
pref label: ANTI CENTRO GALATTICO @it
pref label: ANTICENTRE GALACTIQUE @fr
pref label: ANTICENTRO GALACTICO
pref label: GALACTIC ANTICENTER @en
pref label: MILCHSTRASSEN-ANTIZENTRUM @de
related: GalacticCoordinateSystem
related: MilkyWayGalaxy

GalacticBulge
type: Concept
pref label: BULBE GALACTIQUE @fr
pref label: BULBO GALACTICO
pref label: BULGE GALATTICO @it
pref label: GALACTIC BULGE @en
pref label: ZENTRALER BAUCH DER MILCHSTRASSE @de
related: GalacticCenter
related: GalacticPlane
related: GalacticStructure
related: MilkyWayGalaxy

GalacticCenter
type: Concept
pref label: CENTRE GALACTIQUE @fr
pref label: CENTRO GALACTICO
pref label: CENTRO GALATTICO @it
pref label: GALACTIC CENTER @en
pref label: MILCHSTRASSEN-ZENTRUM @de
related: GalacticBulge
related: GalacticCoordinateSystem
related: GalacticStructure
related: MilkyWayGalaxy

GalacticCoordinateSystem
type: Concept
broader: CoordinateSystems
pref label: GALACTIC COORDINATE SYSTEM @en
pref label: MILCHSTRASSEN-KOORDINATENSYSTEM @de
pref label: SISTEMA DE COORDENADAS GALACTICAS
pref label: SISTEMA DI COORDINATE GALATTICHE @it
pref label: SYSTEME DE COORDONNEES GALACTIQUES @fr
related: GalacticAnticenter
related: GalacticCenter
related: GalacticLatitude
related: GalacticLongitude
related: GalacticPoles
related: MilkyWayGalaxy

GalacticEquator
type: Concept
pref label: ECUADOR GALACTICO
pref label: EQUATEUR GALACTIQUE @fr
pref label: EQUATORE GALATTICO @it
pref label: GALACTIC EQUATOR @en
pref label: GALAKTISCHER AEQUATOR @de
related: GalacticLatitude
related: GalacticLongitude
related: GalacticPoles

GalacticHalo
type: Concept
broader: Halos
pref label: ALONE GALATTICO @it
pref label: GALACTIC HALO @en
pref label: GALAKTISCHER HALO @de
pref label: HALO GALACTICO
pref label: HALO GALACTIQUE @fr
related: GalacticStructure
related: GlobularStarClusters
related: HaloStars
related: PopulationIiStars
related: RrLyraeStars

GalacticLatitude
type: Concept
alt label: Breite @de
alt label: latitud
alt label: latitude @fr
alt label: latitudine @it
pref label: GALACTIC LATITUDE @en
pref label: LATITUD GALACTICA
pref label: LATITUDE GALACTIQUE @fr
pref label: LATITUDINE GALATTICA @it
pref label: MILCHSTRASSEN-BREITE @de
related: GalacticCoordinateSystem
related: GalacticEquator
related: GalacticLongitude
related: GalacticPlane
related: GalacticPoles

GalacticLongitude
type: Concept
alt label: Laenge @de
alt label: longitud
alt label: longitude @fr
alt label: longitudine @it
pref label: GALACTIC LONGITUDE @en
pref label: LONGITUD GALACTICA
pref label: LONGITUDE GALACTIQUE @fr
pref label: LONGITUDINE GALATTICA @it
pref label: MILCHSTRASSEN-LAENGE @de
related: GalacticCoordinateSystem
related: GalacticEquator
related: GalacticLatitude
related: GalacticPoles

GalacticNuclei
type: Concept
broader: NucleiCelestialObjects
narrower: ActiveGalacticNuclei
narrower: CompactNuclei
pref label: GALACTIC NUCLEI @en
pref label: GALAXIENKERNE @de
pref label: NOYAU DES GALAXIES @fr
pref label: NUCLEI GALATTICI @it
pref label: NUCLEOS GALACTICOS
related: BlackHoles
related: GalacticStructure
related: MassiveObjects
related: NGalaxies
related: PopulationIiStars

GalacticPlane
type: Concept
pref label: GALACTIC PLANE @en
pref label: GALAKTISCHE EBENE @de
pref label: PIANO GALATTICO @it
pref label: PLAN GALACTIQUE @fr
pref label: PLANO GALACTICO
related: DiskPopulation
related: DiskStars
related: GalacticBulge
related: GalacticLatitude
related: GalacticPoles
related: GalacticWindows
related: MilkyWayGalaxy

GalacticPoles
type: Concept
broader: Poles
narrower: NorthGalacticPole
narrower: SouthGalacticPole
pref label: GALACTIC POLES @en
pref label: GALAKTISCHE POLE @de
pref label: POLE GALACTIQUE @fr
pref label: POLI GALATTICI @it
pref label: POLOS GALACTICOS
related: GalacticCoordinateSystem
related: GalacticEquator
related: GalacticLatitude
related: GalacticLongitude
related: GalacticPlane
related: GalacticSpurs

GalacticRotation
type: Concept
pref label: GALACTIC ROTATION @en
pref label: GALAKTISCHE ROTATION @de
pref label: ROTACION GALACTICA
pref label: ROTATION GALACTIQUE @fr
pref label: ROTAZIONE GALATTICA @it
related: CosmicYear
related: HighVelocityClouds
related: HighVelocityStars
related: Kinematics
related: OortConstants
related: OortFormulas
related: ProperMotions
related: SpaceMotion
related: StellarDynamics

GalacticSpurs
type: Concept
pref label: EPERON GALACTIQUE @fr
pref label: ESPOLONES GALACTICOS
pref label: GALACTIC SPURS @en
pref label: GALAKTISCHE SPORNE @de
pref label: SPERONI GALATTICI @it
related: GalacticPoles
related: GalacticStructure

GalacticStructure
type: Concept
pref label: ESTRUCTURA GALACTICA
pref label: GALACTIC STRUCTURE @en
pref label: GALAKTISCHE STRUKTUR @de
pref label: STRUCTURE GALACTIQUE @fr
pref label: STRUTTURA GALATTICA @it
related: GalacticBulge
related: GalacticCenter
related: GalacticHalo
related: GalacticNuclei
related: GalacticSpurs
related: Kinematics
related: OortConstants
related: OortFormulas
related: PitchAngle
related: SpiralArms
related: StarCounts

GalacticWindows
type: Concept
broader: Windows
pref label: FENETRE GALACTIQUE @fr
pref label: FINESTRE GALATTICHE @it
pref label: GALACTIC WINDOWS @en
pref label: MILCHSTRASSEN-FENSTER @de
pref label: VENTANAS GALACTICAS
related: GalacticPlane
related: InterstellarAbsorption
scope note: Directions of low absorption.

Galaxies
type: Concept
broader: ExtragalacticObjects
narrower: ActiveGalaxies
narrower: BarredSpiralGalaxies
narrower: BipolarGalaxies
narrower: BlLacertaeObjects
narrower: BlueGalaxies
narrower: BrightGalaxies
narrower: CompanionGalaxies
narrower: DGalaxies
narrower: DoubleGalaxies
narrower: DwarfGalaxies
narrower: EarlyTypeGalaxies
narrower: EllipticalGalaxies
narrower: EmissionLineGalaxies
narrower: GiantGalaxies
narrower: HaroGalaxies
narrower: HeadTailGalaxies
narrower: Hypergalaxies
narrower: InfraredGalaxies
narrower: InteractingGalaxies
narrower: IrregularGalaxies
narrower: LateTypeGalaxies
narrower: LenticularGalaxies
narrower: MagellanicClouds
narrower: MilkyWayGalaxy
narrower: MultipleGalaxies
narrower: NGalaxies
narrower: NearbyGalaxies
narrower: PeculiarGalaxies
narrower: PrimordialGalaxies
narrower: Protogalaxies
narrower: RadioGalaxies
narrower: RingGalaxies
narrower: SpiralGalaxies
narrower: StarburstGalaxies
pref label: GALASSIE @it
pref label: GALAXIAS
pref label: GALAXIEN @de
pref label: GALAXIES @fr
related: ActiveGalacticNuclei
related: Collisions
related: Comas
related: ContentOfGalaxies
related: CoolingFlows
related: DifferentialRotation
related: EdgeEffects
related: Evolution
related: FanaroffRileyClass
related: Halos
related: HolmbergRadius
related: HubbleClassification
related: HubbleDiagram
related: IntegratedMagnitude
related: LocalSupercluster
related: MassToLightRatios
related: Origin
related: QuasarGalaxyPairs
related: SurfacePhotometry
related: TullyFisherRelation
related: VelocityField

Galaxy
type: Concept
pref label: GALASSIA @it
pref label: GALAXIA
pref label: GALAXY @en
pref label: MILCHSTRASSE / GALAXIS @de
pref label: [LA] GALAXIE @fr
scope note: Combine with other terms for galaxies other than the Milky Way. See also GALACTIC.

GalaxyContent
type: Concept
pref label: CONTENIDO DE LAS GALAXIAS
pref label: CONTENU DES GALAXIES @fr
pref label: CONTENUTO DELLE GALASSIE @it
pref label: GALAXIENGEHALT @de
pref label: GALAXY CONTENT @en
scope note: Combine with other terms

GalaxyCounts
type: Concept
pref label: CONTEGGI DI GALASSIE @it
pref label: CONTEO DE GALAXIAS
pref label: DENOMBREMENT DE GALAXIES @fr
pref label: GALAXIENZAEHLUNGEN @de
pref label: GALAXY COUNTS @en
related: ClustersOfGalaxies
related: Cosmology
related: GalaxyDistribution
related: ObservationalCosmology

GalaxyDistribution
type: Concept
pref label: DISTRIBUCION DE GALAXIAS
pref label: DISTRIBUTION DES GALAXIES @fr
pref label: DISTRIBUZIONE DELLE GALASSIE @it
pref label: GALAXIENVERTEILUNG @de
pref label: GALAXY DISTRIBUTION @en
related: ClustersOfGalaxies
related: Cosmology
related: GalaxyCounts
related: ObservationalCosmology

GalaxyEncounters
type: Concept
broader: Encounters
pref label: ENCUENTROS DE GALAXIAS
pref label: GALAXIENKOLLISIONEN @de
pref label: GALAXY ENCOUNTERS @en
pref label: INCONTRI DI GALASSIE @it
pref label: RENCONTRES ENTRE GALAXIES @fr
related: GalaxyMergers
related: InteractingGalaxies
related: RadioSources

GalaxyEvolution
type: Concept
pref label: EVOLUCION DE GALAXIAS
pref label: EVOLUTION DES GALAXIES @fr
pref label: EVOLUZIONE DELLE GALASSIE @it
pref label: GALAXIENENTWICKLUNG @de
pref label: GALAXY EVOLUTION @en
related: Cosmology

GalaxyFormation
type: Concept
alt label: Galaxienbildung @de
alt label: formacion de galaxias
alt label: formation des galaxies @fr
alt label: formation of galaxies @en
alt label: formazione delle galassie @it
pref label: FORMACION DE GALAXIAS
pref label: FORMATION DES GALAXIES @fr
pref label: FORMAZIONE DI GALASSIE @it
pref label: GALAXIENBILDUNG @de
pref label: GALAXY FORMATION @en

GalaxyMergers
type: Concept
alt label: merger @it
alt label: mergers @en
alt label: mergers?
alt label: objets fusionnant @fr
alt label: verschmelzende Objekte @de
pref label: FUSIONES DE GALAXIAS
pref label: FUSIONI DI GALASSIE @it
pref label: GALAXIES FUSIONNANT @fr
pref label: GALAXY MERGERS @en
pref label: VERSCHMELZENDE GALAXIEN @de
related: ClustersOfGalaxies
related: DoubleGalaxies
related: Encounters
related: GalaxyEncounters
related: InteractingGalaxies

GalaxyVoids
type: Concept
pref label: GALAXIENFREIE GEBIETE @de
pref label: GALAXY VOIDS @en
pref label: REGIONES DESPROVISTAS DE GALAXIAS
pref label: VIDE INTERGALACTIQUE @fr
pref label: VUOTI DI GALASSIE @it
related: BlankFields
related: IntergalacticSpace

GalileanSatellites
type: Concept
broader: Satellites
pref label: GALILEAN SATELLITES @en
pref label: GALILEISCHE SATELLITEN @de
pref label: SATELITES GALILEANOS
pref label: SATELLITE GALILEEN @fr
pref label: SATELLITI GALILEIANI @it
related: Planets

GammaCassiopeiaeStars
type: Concept
broader: BDwarfStars
broader: CataclysmicVariableStars
broader: EmissionLineStars
broader: IrregularVariableStars
broader: ShellStars
pref label: ESTRELLAS GAMMA CASSEOPEIAE
pref label: ETOILES GAMMA CASSIOPEIAE @fr
pref label: GAMMA CASSIOPEIAE STARS @en
pref label: GAMMA CASSIOPEIAE- STERNE @de
pref label: STELLE GAMMA CASSIOPEIAE @it

GammaRayAstronomy
type: Concept
broader: SpaceAstronomy
pref label: ASTRONOMIA DE RAYOS GAMMA
pref label: ASTRONOMIA GAMMA @it
pref label: ASTRONOMIE GAMMA @fr
pref label: GAMMA RAY ASTRONOMY @en
pref label: GAMMASTRAHLENASTRONOMIE @de
related: BalloonBorneInstruments
related: RocketBorneInstruments
related: SatelliteBorneInstruments

GammaRayBackground
type: Concept
broader: BackgroundRadiation
pref label: FOND GAMMA @fr
pref label: FONDO DE RAYOS GAMMA
pref label: FONDO GAMMA @it
pref label: GAMMA RAY BACKGROUND @en
pref label: GAMMASTRAHLENHINTERGRUND @de
related: GammaRays
related: MicrowaveBackground
related: RadioBackground
related: UltravioletBackground
related: XRayBackground

GammaRayBursts
type: Concept
alt label: Kosmische Gammastrahlenausbrueche @de
alt label: burst di raggi gamma cosmici @it
alt label: cosmic gamma ray bursts @en
alt label: estallidos de rayos gamma cosmicos
alt label: sursaut gamma cosmique @fr
broader: Bursts
pref label: BURST DI RAGGI GAMMA @it
pref label: ESTALLIDOS DE RAYOS GAMMA
pref label: GAMMA RAY BURSTS @en
pref label: GAMMASTRAHLENAUSBRUECHE @de
pref label: SURSAUT GAMMA @fr
related: Bursters
related: GammaRaySources
related: OpticalBursts
related: RadioBursts
related: RapidBursts
related: XRayBursts

GammaRayLines
type: Concept
pref label: GAMMA RAY LINES @en
pref label: GAMMA-STRAHLUNGSLINIEN @de
pref label: LINEAS DE RAYOS GAMMA
pref label: RAIE GAMMA @fr
pref label: RIGHE DEI RAGGI GAMMA @it
related: GammaRays

GammaRayObservatories
type: Concept
broader: Observatories
broader: SpaceObservatories
pref label: GAMMA RAY OBSERVATORIES @en
pref label: GAMMASTRAHLEN-OBSERVATORIEN @de
pref label: OBSERVATOIRE POUR RAYONS GAMMA @fr
pref label: OBSERVATORIOS DE RAYOS GAMMA
pref label: OSSERVATORI PER RAGGI GAMMA @it
related: ArtificialSatellites
related: GammaRayTelescopes
scope note: See OBSERVATORIES for more RTs.

GammaRays
type: Concept
alt label: Gammastrahlung @de
alt label: gamma radiation @en
alt label: radiacion gamma
alt label: radiazione gamma @it
alt label: rayonnement gamma @fr
broader: ElectromagneticWaves
broader: HighEnergyRadiation
broader: NuclearRadiation
broader: Radiation
pref label: GAMMA RAYS @en
pref label: GAMMASTRAHLEN @de
pref label: RAGGI GAMMA @it
pref label: RAYON GAMMA @fr
pref label: RAYOS GAMMA
related: CerenkovRadiation
related: GammaRayBackground
related: GammaRayLines
related: GammaRayScattering
related: GammaRaySources
related: GammaRaySpectra
related: PairAnnihilation
related: PairProduction
related: Radioactivity
scope note: Combine with other terms

GammaRayScattering
type: Concept
broader: Scattering
pref label: DIFFUSION DES RAYONS GAMMA @fr
pref label: DIFFUSIONE DI RAGGI GAMMA @it
pref label: DISPERSION DE RAYOS GAMMA
pref label: GAMMA RAY SCATTERING @en
pref label: GAMMASTRAHLEN-STREUUNG @de
related: GammaRays

GammaRaySources
type: Concept
pref label: FUENTES DE RAYO GAMMA
pref label: GAMMA RAY SOURCES @en
pref label: GAMMA-STRAHLUNGSQUELLEN @de
pref label: SORGENTI DI RAGGI GAMMA @it
pref label: SOURCE DE RAYONS GAMMA @fr
related: GammaRayBursts
related: GammaRays
related: OpticalIdentifications

GammaRaySpectra
type: Concept
pref label: ESPECTROS DE RAYOS GAMMA
pref label: GAMMA RAY SPECTRA @en
pref label: GAMMASTRAHLEN-SPEKTREN @de
pref label: SPECTRE GAMMA @fr
pref label: SPETTRI GAMMA @it
related: GammaRaySpectroscopy
related: GammaRays

GammaRaySpectrographs
type: Concept
broader: Spectrographs
pref label: ESPECTROGRAFOS DE RAYOS GAMMA
pref label: GAMMA RAY SPECTROGRAPHS @en
pref label: GAMMASTRAHLEN-SPEKTROGRAPHEN @de
pref label: SPECTROGRAPHE POUR RAYONS GAMMA @fr
pref label: SPETTROGRAFI GAMMA @it

GammaRaySpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA DE RAYOS GAMMA
pref label: GAMMA RAY SPECTROSCOPY @en
pref label: GAMMASTRAHLEN-SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE GAMMA @fr
pref label: SPETTROSCOPIA GAMMA @it
related: GammaRaySpectra

GammaRayTelescopes
type: Concept
broader: SpaceTelescopes
broader: Telescopes
pref label: GAMMA RAY TELESCOPES @en
pref label: GAMMASTRAHLEN-TELESKOPE @de
pref label: TELESCOPE POUR RAYONS GAMMA @fr
pref label: TELESCOPI PER RAGGI GAMMA @it
pref label: TELESCOPIOS DE RAYOS GAMMA
related: GammaRayObservatories

Gas
type: Concept
pref label: GAS
pref label: GAZ @fr
related: GasContent
related: GasDensity
related: GasDistribution
related: GasDynamics
related: GasToDustRatio
related: GaseousDisks
related: GaseousNebulae
related: GaseousSpheres
scope note: See also GASES Combine with other terms

GasClouds
type: Concept
broader: Clouds
pref label: GAS CLOUDS @en
pref label: GASWOLKEN @de
pref label: NUAGE DE GAZ @fr
pref label: NUBES DE GAS
pref label: NUBI DI GAS @it

GasContent
type: Concept
pref label: CONTENIDO DE GAS
pref label: CONTENU DU GAZ @fr
pref label: CONTENUTO GASSOSO @it
pref label: GAS CONTENT @en
pref label: GASGEHALT @de
related: Gas

GasDensity
type: Concept
broader: Density
pref label: DENSIDAD DEL GAS
pref label: DENSITA GASSOSA @it
pref label: DENSITE DU GAZ @fr
pref label: GAS DENSITY @en
pref label: GASDICHTE @de
related: Gas
related: OpticalDepth

GasDistribution
type: Concept
pref label: DISTRIBUCION DEL GAS
pref label: DISTRIBUTION GAZEUSE @fr
pref label: DISTRIBUZIONE DEL GAS @it
pref label: GAS DISTRIBUTION @en
pref label: GASVERTEILUNG @de
related: Gas
related: SpiralArms

GasDynamics
type: Concept
alt label: CINEMATICA DEL GAS
alt label: Gaskinematik @de
alt label: cinematica del gas @it
alt label: cinematique des gaz @fr
alt label: gas kinematics @en
pref label: DINAMICA DEL GAS
pref label: DYNAMIQUE DES GAZ @fr
pref label: GAS DYNAMICS @en
pref label: GASDYNAMIK @de
related: Gas

GaseousDisks
type: Concept
broader: Disks
pref label: DISCHI GASSOSI @it
pref label: DISCOS GASEOSOS
pref label: DISQUE GAZEUX @fr
pref label: GASEOUS DISKS @en
pref label: GASSCHEIBEN @de
related: DiskStars
related: Gas

GaseousNebulae
type: Concept
broader: Nebulae
narrower: EmissionNebulae
pref label: GASEOUS NEBULAE @en
pref label: GASNEBEL @de
pref label: NEBULEUSE GAZEUSE @fr
pref label: NEBULOSAS GASEOSAS
pref label: NEBULOSE GASSOSE @it
related: Gas

GaseousSpheres
type: Concept
narrower: Protogalaxies
narrower: Protostars
narrower: StromgrenSphere
pref label: ESFERAS GASEOSAS
pref label: GASEOUS SPHERES @en
pref label: GASKUGELN @de
pref label: SFERE GASSOSE @it
pref label: SPHERE GAZEUSE @fr
related: Gas

Gases
type: Concept
narrower: Air
narrower: CarbonDioxide
narrower: CarbonMonoxide
narrower: IonizedGases
narrower: NeutralGases
narrower: RelativisticPlasmas
pref label: GAS @it
pref label: GASE @de
pref label: GASES
pref label: GAZ @fr
scope note: Constituents of gas clouds. See also Table of Elements. See also GAS

GasToDustRatio
type: Concept
pref label: COCIENTE GAS POLVO
pref label: GAS TO DUST RATIO @en
pref label: GAS-ZU-STAUB VERHAELTNIS @de
pref label: RAPPORT GAZ-POUSSIERE @fr
pref label: RAPPORTO GAS POLVERE @it
related: Dust
related: Gas
related: InterstellarReddening
related: ReddeningLaw
related: SelectiveAbsorption

GBand
type: Concept
broader: FraunhoferLines
broader: MolecularBands
pref label: BANDA G
pref label: BANDE G @fr
pref label: G BAND @en
pref label: G-BAND @de
related: MolecularSpectra

GDwarfStars
type: Concept
broader: DwarfStars
broader: GStars
pref label: ESTRELLAS ENANAS G
pref label: ETOILE G NAINE @fr
pref label: G DWARF STARS @en
pref label: G-ZWERGSTERNE @de
pref label: STELLE NANE G @it

Gegenschein
type: Concept
alt label: Gegenschein @de
alt label: anticrepusculo
alt label: controluminescenza @it
alt label: counterglow @en
alt label: gegenschein @fr
pref label: GEGENSCHEIN @de
pref label: GEGENSCHEIN / LUEUR ANTISOLAIRE @fr
pref label: GEGENSCHEIN; ANTICHIARORE @it
pref label: RESPLANDOR ANTISOLAR
related: InterplanetaryMatter
related: NightSkyBrightness
related: ZodiacalDust
related: ZodiacalLight

GeneralTheoryOfRelativity
type: Concept
broader: Relativity
narrower: SpecialTheoryOfRelativity
pref label: ALLGEMEINE RELATIVITAETSTHEORIE @de
pref label: GENERAL THEORY OF RELATIVITY @en
pref label: TEORIA DELLA RELATIVITA GENERALE @it
pref label: TEORIA GENERAL DE LA RELATIVIDAD
pref label: THEORIE DE LA RELATIVITE GENERALE @fr
related: Cosmology
related: CurvatureOfSpaceTime
related: Gravitation
related: GravitationalEffects
related: GravitationalWaves
related: NewtonianGravitation
related: SchwarzschildMetric
related: SchwarzschildRadius
related: Space
related: Time

GenevaPhotometry
type: Concept
alt label: UBVGRI photometry @en
alt label: UBVGRI-Photometrie @de
alt label: fotometria UBVGRI
alt label: photometrie UBVGRI @fr
broader: MediumBandPhotometry
broader: PhotometricSystems
pref label: FOTOMETRIA DE GINEBRA
pref label: FOTOMETRIA DI GINEVRA @it
pref label: GENEVA PHOTOMETRY @en
pref label: GENFER PHOTOMETRIE-SYSTEM @de
pref label: PHOTOMETRIE DE GENEVE @fr
related: VilniusPhotometry

GeocentricOrbits
type: Concept
broader: Orbits
pref label: GEOCENTRIC ORBITS @en
pref label: GEOZENTRISCHE BAHNEN @de
pref label: ORBITAS GEOCENTRICAS
pref label: ORBITE GEOCENTRICHE @it
pref label: ORBITE GEOCENTRIQUE @fr

Geocorona
type: Concept
pref label: GEOCORONA
pref label: GEOCOURONNE @fr
pref label: GEOKORONA @de
related: Earth

Geodesy
type: Concept
broader: EarthSciences
narrower: AstronomicalGeodesy
narrower: SpaceGeodesy
pref label: GEODAESIE @de
pref label: GEODESIA
pref label: GEODESIE @fr
pref label: GEODESY @en
related: AtomicClocks
related: Earth
related: Geoid
related: Pendulums

Geoid
type: Concept
pref label: GEOID @de
pref label: GEOIDE
related: Earth
related: EquatorialBulge
related: Geodesy

Geology
type: Concept
broader: EarthSciences
narrower: Petrology
pref label: GEOLOGIA
pref label: GEOLOGIE @de
pref label: GEOLOGY @en
related: GeophysicalObservatories
related: Glaciology
related: Planetology
related: Planets
related: SurfacesCelestialBodies

GeomagneticField
type: Concept
broader: MagneticFields
pref label: CAMPO GEOMAGNETICO
pref label: CHAMP MAGNETIQUE TERRESTRE / CHAMP GEOMAGNETIQUE @fr
pref label: ERDMAGNETISCHES FELD @de
pref label: GEOMAGNETIC FIELD @en

Geomagnetism
type: Concept
pref label: ERDMAGNETISMUS @de
pref label: GEOMAGNETISM @en
pref label: GEOMAGNETISME @fr
pref label: GEOMAGNETISMO
related: ContinentalDrift
related: Earth
related: GeophysicalObservatories
related: Paleomagnetism
related: Planets

GeophysicalObservatories
type: Concept
broader: Observatories
pref label: GEOPHYSICAL OBSERVATORIES @en
pref label: GEOPHYSIKALISCHE OBSERVATORIEN @de
pref label: OBSERVATOIRE GEOPHYSIQUE @fr
pref label: OBSERVATORIOS GEOFISICOS
pref label: OSSERVATORI GEOFISICI @it
related: EarthSciences
related: Geology
related: Geomagnetism
scope note: See OBSERVATORIES for more RTs.

Geophysics
type: Concept
alt label: Physik der Erde @de
alt label: fisica terrestre
alt label: physique terrestre @fr
alt label: terrestrial physics @en
broader: EarthSciences
pref label: GEOFISICA
pref label: GEOPHYSICS @en
pref label: GEOPHYSIK @de
pref label: GEOPHYSIQUE @fr
related: ContinentalDrift
related: Earth

GeostationarySatellites
type: Concept
broader: ArtificialSatellites
pref label: GEOSTATIONAERE SATELLITEN @de
pref label: GEOSTATIONARY SATELLITES @en
pref label: SATELITES GEOESTACIONARIOS
pref label: SATELLITE GEOSTATIONNAIRE @fr
pref label: SATELLITI GEOSTAZIONARI @it

GermanMounting
type: Concept
broader: EquatorialMounting
pref label: DEUTSCHE MONTIERUNG @de
pref label: GERMAN MOUNTING @en
pref label: MONTATURA ALLA TEDESCA @it
pref label: MONTURA ALEMANA
pref label: MONTURE ALLEMANDE @fr

GFactor
type: Concept
pref label: COEFFICIENTE G @it
pref label: FACTEUR G @fr
pref label: FACTOR G
pref label: G FACTOR @en
pref label: G-FAKTOR @de
related: AngularMomentum

GGiantStars
type: Concept
broader: GStars
broader: GiantStars
pref label: ESTRELLAS GIGANTES G
pref label: ETOILE G GEANTE @fr
pref label: G GIANT STARS @en
pref label: G-RIESENSTERNE @de
pref label: STELLE GIGANTI G @it
related: GSubgiantStars

GiantBranch
type: Concept
narrower: RedGiantTip
pref label: BRANCHE DES GEANTES @fr
pref label: GIANT BRANCH @en
pref label: RAMA GIGANTE
pref label: RAMO GIGANTE @it
pref label: RIESENAST @de
related: HertzsprungGap
related: HertzsprungRussellDiagram
related: InstabilityStrip
related: TurnoffPoint
related: ZeroAgeHorizontalBranch

GiantBranchStars
type: Concept
pref label: ESTRELLAS DE LA RAMA GIGANTE
pref label: ETOILE DE LA BRANCHE DES GEANTES @fr
pref label: GIANT BRANCH STARS @en
pref label: STELLE DEL RAMO GIGANTE @it
pref label: STERNE AUF DEM RIESENAST @de
related: HorizontalBranchStars

GiantEllipticalGalaxies
type: Concept
broader: EllipticalGalaxies
pref label: ELLIPTISCHE RIESENGALAXIEN @de
pref label: GALASSIE GIGANTI ELLITTICHE @it
pref label: GALAXIAS ELIPTICAS GIGANTES
pref label: GALAXIE ELLIPTIQUE GEANTE @fr
pref label: GIANT ELLIPTICAL GALAXIES @en

GiantGalaxies
type: Concept
broader: Galaxies
narrower: cDGalaxies
pref label: GALASSIE GIGANTI @it
pref label: GALAXIAS GIGANTES
pref label: GALAXIE GEANTE @fr
pref label: GIANT GALAXIES @en
pref label: RIESENGALAXIEN @de

GiantMolecularClouds
type: Concept
broader: MolecularClouds
pref label: GIANT MOLECULAR CLOUDS @en
pref label: GROSSE MOLEKUELWOLKEN @de
pref label: NUAGE MOLECULAIRE GEANT @fr
pref label: NUBES MOLECULARES GIGANTES
pref label: NUBI MOLECOLARI GIGANTI @it
related: InterstellarMolecules

GiantPlanets
type: Concept
broader: Planets
pref label: GIANT PLANETS @en
pref label: PIANETI GIGANTI @it
pref label: PLANETAS GIGANTES
pref label: PLANETE GEANTE @fr
pref label: RIESENPLANETEN @de

GiantRadioGalaxies
type: Concept
broader: RadioGalaxies
pref label: GIANT RADIO GALAXIES @en
pref label: RADIO GALAXIE GEANTE @fr
pref label: RADIOGALASSIE GIGANTI @it
pref label: RIESENRADIOGALAXIEN @de
pref label: radiogalaxias gigantes
related: NGalaxies
related: cDGalaxies

GiantStars
type: Concept
alt label: cs stars @en
alt label: cs-Sterne @de
alt label: estrellas cs
alt label: etoile cs @fr
alt label: stelle cs @it
broader: PostmainsequenceStars
narrower: AGiantStars
narrower: BGiantStars
narrower: ChStars
narrower: CnStars
narrower: ExtremeCarbonStars
narrower: FGiantStars
narrower: GGiantStars
narrower: LateTypeGiantStars
narrower: LbVariableStars
narrower: MGiantStars
narrower: OhIrStars
narrower: PeculiarGiantStars
narrower: RStars
narrower: SStars
narrower: WeakGBandStars
pref label: ESTRELLAS GIGANTES
pref label: ETOILE GEANTE @fr
pref label: GIANT STARS @en
pref label: RIESENSTERNE @de
pref label: STELLE GIGANTI @it
related: CarbonBurning
related: DredgeUp
related: LithiumStars
related: LuminosityClassification
related: StellarEvolution
related: ZirconiumStars

Glaciology
type: Concept
pref label: GLACIOLOGIA
pref label: GLACIOLOGIE @fr
pref label: GLACIOLOGY @en
pref label: GLETSCHERKUNDE @de
related: Earth
related: Geology

Glass
type: Concept
broader: OpticalMaterials
narrower: OpticalGlass
pref label: GLAS @de
pref label: GLASS @en
pref label: VERRE @fr
pref label: VETRO @it
pref label: VIDRIO
related: Lenses
related: Mirrors
related: OpticalFibers

GlobularStarClusters
type: Concept
broader: StarClusters
pref label: AMAS GLOBULAIRE @fr
pref label: AMMASSI GLOBULARI @it
pref label: CUMULOS ESTELARES GLOBULARES
pref label: GLOBULAR STAR CLUSTERS @en
pref label: KUGELSTERNHAUFEN @de
related: DifferentialRotation
related: GalacticHalo
related: HaloStars
related: HorizontalBranchStars
related: OosterhoffGroups
related: PopulationIiStars
related: RrLyraeStars
related: TurnoffPoint

Globules
type: Concept
broader: InterstellarMatter
narrower: BokGlobules
pref label: GLOBULE @fr
pref label: GLOBULEN @de
pref label: GLOBULES @en
pref label: GLOBULI @it
pref label: GLOBULOS
related: DarkNebulae

GoedelUniverse
type: Concept
broader: Cosmology
pref label: GOEDEL UNIVERSE @en
pref label: GOEDEL-UNIVERSUM @de
pref label: UNIVERS DE GOEDEL @fr
pref label: UNIVERSO DE GOEDEL
pref label: UNIVERSO DI GOEDEL @it

GouldsBelt
type: Concept
pref label: CEINTURE DE GOULD @fr
pref label: CINTURON DE GOULD
pref label: FASCIA DI GOULD @it
pref label: GOULD-GUERTEL @de
pref label: GOULDS BELT @en
related: MilkyWayGalaxy
related: StarAssociations

Grains
type: Concept
broader: InterstellarMatter
narrower: InterplanetaryGrains
pref label: GRAIN @fr
pref label: GRAINS @en
pref label: GRANI @it
pref label: GRANOS
pref label: KOERNER @de
related: InterplanetaryDust
related: InterstellarDust

Granulation
type: Concept
narrower: Supergranulation
pref label: GRANULACION
pref label: GRANULATION @de
pref label: GRANULAZIONE @it
related: Convection
related: Faculae
related: Photosphere
related: Sun

Granules
type: Concept
pref label: GRANULE @fr
pref label: GRANULEN @de
pref label: GRANULES @en
pref label: GRANULI @it
pref label: GRANULOS
related: Photosphere
related: Sun

Graphite
type: Concept
pref label: GRAFITE @it
pref label: GRAFITO
pref label: GRAPHIT @de
pref label: GRAPHITE @fr
related: InterplanetaryGrains
related: InterstellarDust

Graphs
type: Concept
pref label: GRAFICI @it
pref label: GRAFICOS
pref label: GRAPHIQUE @fr
pref label: GRAPHS @en
pref label: SCHAUBILDER / GRAPHEN @de
scope note: Combine with other terms

Graticule
type: Concept
pref label: GRATICULE @en
pref label: GRATICULE? @de
pref label: RETICOLO [CARTOGRAFIA] @it
pref label: RETICULE @fr
pref label: RETICULO
related: Eyepieces
related: Reticle

GratingResponse
type: Concept
pref label: GRATING RESPONSE @en
pref label: REPONSE DU RESEAU @fr
pref label: RESPUESTA DE LA RED
pref label: RISPOSTA DI RETICOLO @it
pref label: WIRKUNGSGRAD EINES GITTERS @de
related: Arrays

GratingRing
type: Concept
pref label: ANILLO DE LA RED
pref label: GITTER-RING ? @de
pref label: GRATING RING @en
pref label: LOBO ANULARE DI RETICOLO @it
pref label: RESEAU ANNULAIRE @fr
related: ApertureSynthesis

GratingSpectrographs
type: Concept
broader: Spectrographs
pref label: ESPECTROGRAFOS DE RED
pref label: GITTERSPEKTROGRAPH @de
pref label: GRATING SPECTROGRAPHS @en
pref label: SPECTROGRAPHE A RESEAU @fr
pref label: SPETTROGRAFI A RETICOLO @it
related: DiffractionGratings
related: PrismSpectrographs

Gravimetry
type: Concept
pref label: GRAVIMETRIA
pref label: GRAVIMETRIE @de
pref label: GRAVIMETRY @en
related: Acceleration

GravitatingDisks
type: Concept
broader: Disks
pref label: DISCHI GRAVITANTI @it
pref label: DISCOS GRAVITANTES
pref label: DISQUE [AUTO]GRAVITANT @fr
pref label: GRAVITATING DISKS @en
pref label: GRAVITIERENDE SCHEIBEN @de
related: CircumstellarMatter

Gravitation
type: Concept
alt label: Schwerkraft @de
alt label: force de la pesanteur @fr
alt label: force of gravity @en
alt label: forza di gravita @it
alt label: fuerza de gravedad
pref label: GRAVITACION
pref label: GRAVITATION @fr
pref label: GRAVITATION / SCHWERKRAFT @de
pref label: GRAVITAZIONE @it
related: CelestialMechanics
related: GeneralTheoryOfRelativity
related: GravitationalCollapse
related: GravitationalForce
related: GravitationalInstability
related: GravitationalInteractions
related: GravitationalRadiation
related: GravitationalRedshift
related: Gravity
related: LagrangianPoints
related: Mass
related: PerturbationTheory
related: Relativity
related: RocheLimit
related: VirialTheorem

GravitationalCollapse
type: Concept
broader: Collapse
pref label: COLAPSO GRAVITACIONAL
pref label: COLLASSO GRAVITAZIONALE @it
pref label: EFFONDREMENT GRAVITATIONNEL @fr
pref label: GRAVITATIONAL COLLAPSE @en
pref label: GRAVITATIONSKOLLAPS @de
related: BlackHoles
related: ChandrasekharLimit
related: ChandrasekharSchonbergLimit
related: Gravitation
related: GravitationalEnergy
related: Supernovas

GravitationalConstant
type: Concept
broader: AstronomicalConstants
broader: Constants
pref label: CONSTANTE DE LA GRAVITATION @fr
pref label: CONSTANTE GRAVITACIONAL
pref label: COSTANTE GRAVITAZIONALE @it
pref label: GRAVITATIONAL CONSTANT @en
pref label: GRAVITATIONSKONSTANTE @de
related: NewtonianGravitation

GravitationalDeflection
type: Concept
pref label: DEFLECCION GRAVITACIONAL
pref label: DEFLECTION GRAVITATIONNELLE @fr
pref label: DEFLESSIONE GRAVITAZIONALE @it
pref label: GRAVITATIONAL DEFLECTION @en
pref label: GRAVITATIONSABLENKUNG @de
related: DoubleQuasars
related: EinsteinRings
related: GravitationalLenses

GravitationalEffects
type: Concept
pref label: EFECTOS GRAVITACIONALES
pref label: EFFET GRAVITATIONNEL @fr
pref label: EFFETTI GRAVITAZIONALI @it
pref label: GRAVITATIONAL EFFECTS @en
pref label: GRAVITATIONSEFFEKTE @de
related: GeneralTheoryOfRelativity

GravitationalEnergy
type: Concept
broader: Energy
pref label: ENERGIA GRAVITACIONAL
pref label: ENERGIA GRAVITAZIONALE @it
pref label: ENERGIE GRAVITATIONNELLE @fr
pref label: GRAVITATIONAL ENERGY @en
pref label: GRAVITATIONSENERGIE @de
related: GravitationalCollapse

GravitationalEquilibrium
type: Concept
pref label: EQUILIBRE GRAVITATIONNEL @fr
pref label: EQUILIBRIO GRAVITACIONAL
pref label: EQUILIBRIO GRAVITAZIONALE @it
pref label: GRAVITATIONAL EQUILIBRIUM @en
pref label: GRAVITATIONSGLEICHGEWICHT @de
related: StellarEvolution

GravitationalFields
type: Concept
alt label: Schwerefelder @de
alt label: campi di gravita @it
alt label: campos gravitacionales
alt label: champ de gravitation @fr
alt label: gravity fields @en
pref label: CAMPI GRAVITAZIONALI @it
pref label: CAMPOS GRAVITACIONALES
pref label: CHAMP GRAVITATIONNEL @fr
pref label: GRAVITATIONAL FIELDS @en
pref label: GRAVITATIONSFELDER @de
related: LagrangianPoints
related: QuantumFieldTheory
related: SchwarzschildMetric

GravitationalForce
type: Concept
alt label: Schwerkraft @de
alt label: force de la pesanteur @fr
alt label: force of gravity @en
alt label: forza di gravita @it
alt label: fuerza de gravedad
broader: Force
pref label: FORCE GRAVITATIONNELLE @fr
pref label: FORZA GRAVITAZIONALE @it
pref label: FUERZA GRAVITACIONAL
pref label: GRAVITATIONAL FORCE @en
pref label: GRAVITATIONSKRAFT / SCHWERKRAFT @de
related: EddingtonLimit
related: Gravitation
related: NewtonianGravitation
related: SurfaceGravity

GravitationalInstability
type: Concept
pref label: GRAVITATIONAL INSTABILITY @en
pref label: GRAVITATIONSINSTABILITAET @de
pref label: INESTABILIDAD GRAVITACIONAL
pref label: INSTABILITA GRAVITAZIONALE @it
pref label: INSTABILITE GRAVITATIONNELLE @fr
related: Gravitation

GravitationalInteractions
type: Concept
broader: Interactions
pref label: GRAVITATIONAL INTERACTIONS @en
pref label: GRAVITATIONSWECHSELWIR-KUNGEN @de
pref label: INTERACCIONES GRAVITACIONALES
pref label: INTERACTION GRAVITATIONNELLE @fr
pref label: INTERAZIONI GRAVITAZIONALI @it
related: Encounters
related: Gravitation

GravitationalLenses
type: Concept
pref label: GRAVITATIONAL LENSES @en
pref label: GRAVITATIONSLINSEN @de
pref label: LENTES GRAVITACIONALES
pref label: LENTI GRAVITAZIONALI @it
pref label: LENTILLE GRAVITATIONNELLE @fr
related: BlackHoles
related: DoubleQuasars
related: EinsteinRings
related: GravitationalDeflection
related: Light
related: LuminousArcs
related: Microlensing
related: WhiteHoles

GravitationalRadiation
type: Concept
broader: Radiation
pref label: GRAVITATIONAL RADIATION @en
pref label: GRAVITATIONSSTRAHLUNG @de
pref label: RADIACION GRAVITACIONAL
pref label: RADIAZIONE GRAVITAZIONALE @it
pref label: RAYONNEMENT GRAVITATIONNEL @fr
related: Gravitation
related: RadiationMechanisms

GravitationalRedshift
type: Concept
broader: Redshift
pref label: CORRIMIENTO AL ROJO GRAVITACIONAL
pref label: DECALAGE GRAVITATIONELLE VERS LE ROUGE @fr
pref label: GRAVITATIONAL REDSHIFT @en
pref label: GRAVITATIONSROTVERSCHIE-BUNG @de
pref label: SPOSTAMENTO GRAVITAZIONALE VERSO IL ROSSO @it
related: EinsteinEffect
related: Gravitation

GravitationalWaves
type: Concept
broader: Waves
pref label: GRAVITATIONAL WAVES @en
pref label: GRAVITATIONSWELLEN @de
pref label: ONDAS GRAVITACIONALES
pref label: ONDE GRAVITATIONNELLE @fr
pref label: ONDE GRAVITAZIONALI @it
related: CelestialMechanics
related: GeneralTheoryOfRelativity

Gravitons
type: Concept
broader: ElementaryParticles
pref label: GRAVITON @fr
pref label: GRAVITONEN @de
pref label: GRAVITONES
pref label: GRAVITONI @it
pref label: GRAVITONS @en

Gravity
type: Concept
alt label: Schwerebeschleunigung @de
alt label: acceleration de la pesanteur @fr
alt label: acceleration of gravity @en
alt label: accelerazione di gravita @it
alt label: aceleracion de la gravedad
pref label: GRAVEDAD
pref label: GRAVITA @it
pref label: GRAVITY @en
pref label: PESANTEUR [TERRE] / GRAVITE [ETOILE] @fr
pref label: SCHWERKRAFT @de
related: Gravitation
related: JeansLength
related: Pendulums
related: RelativisticAstrophysics
related: VonZeipelTheorem

GravityAnomalies
type: Concept
broader: Anomalies
pref label: ANOMALIAS DE LA GRAVEDAD
pref label: ANOMALIE DE LA GRAVITATION @fr
pref label: ANOMALIE DI GRAVITA @it
pref label: GRAVITY ANOMALIES @en
pref label: SCHWEREANOMALIEN @de
related: MagneticAnomalies
related: Mascons

GravityDarkening
type: Concept
pref label: ASSOMBRISSEMENT PAR GRAVITATION @fr
pref label: GRAVITATIONSVERDUNKELUNG @de
pref label: GRAVITY DARKENING @en
pref label: OSCURAMENTO GRAVITAZIONALE @it
pref label: OSCURECIMIENTO GRAVITACIONAL
related: SurfaceBrightness
related: SurfaceGravity
related: VonZeipelTheorem

GravityWaves
type: Concept
broader: Waves
pref label: GRAVITY WAVES @en
pref label: GRAVITY WAVES ? @de
pref label: ONDAS GRAVITATORIAS
pref label: ONDE DE GRAVITE @fr
pref label: ONDE DI GRAVITA @it
related: AcousticWaves
related: StellarInteriors

GrazingIncidence
type: Concept
pref label: GRAZING INCIDENCE @en
pref label: INCIDENCE RASANTE @fr
pref label: INCIDENCIA RASANTE
pref label: INCIDENZA RADENTE @it
pref label: STREIFENDER EINFALL @de
scope note: Combine with other terms

GreatAttractor
type: Concept
pref label: GRAN ATRACTOR
pref label: GRAND ATTRACTEUR @fr
pref label: GRANDE ATTRATTORE @it
pref label: GREAT ATTRACTOR @en
pref label: GROSSER ATTRAKTOR @de
related: ClustersOfGalaxies
related: LocalSupercluster

GreenhouseEffect
type: Concept
pref label: EFECTO INVERNADERO
pref label: EFFET DE SERRE @fr
pref label: EFFETTO SERRA @it
pref label: GREENHOUSE EFFECT @en
pref label: TREIBHAUS-EFFEKT @de
related: Atmospheres
related: InfraredRadiation
related: Planets
related: Pollution
related: TerrestrialRadiation

GregorianCalendar
type: Concept
broader: Calendars
pref label: CALENDARIO GREGORIANO
pref label: CALENDRIER GREGORIEN @fr
pref label: GREGORIAN CALENDAR @en
pref label: GREGORIANISCHER KALENDER @de
related: JulianCalendar
related: Time

Grids
type: Concept
pref label: GITTER @de
pref label: GRIDS @en
pref label: GRIGLIE @it
pref label: GRILLAS / CUADRICULADOS
pref label: GRILLE @fr
related: Reseaux
related: Reticle

Grisms
type: Concept
broader: OpticalComponents
pref label: GRISM @it
pref label: GRISM / GITTERPRISMEN @de
pref label: GRISM?
pref label: GRISME @fr
pref label: GRISMS @en
related: DiffractionGratings
related: Prisms
related: Spectrographs
related: TransmissionGratings

GroundBasedAstronomy
type: Concept
broader: Astronomy
pref label: ASTRONOMIA DA TERRA @it
pref label: ASTRONOMIA DESDE TIERRA
pref label: ASTRONOMIE AU SOL @fr
pref label: ERDGEBUNDENE ASTRONOMIE @de
pref label: GROUND BASED ASTRONOMY @en
related: AirplaneBorneInstruments
related: BalloonBorneInstruments
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceProbeInstruments
related: SpaceTelescopes

GroupsOfGalaxies
type: Concept
narrower: LocalGroupOfGalaxies
pref label: GALAXIENGRUPPEN @de
pref label: GROUPE DE GALAXIES @fr
pref label: GROUPS OF GALAXIES @en
pref label: GRUPOS DE GALAXIAS
pref label: GRUPPI DI GALASSIE @it
related: CompanionGalaxies
related: MultipleGalaxies

GStars
type: Concept
broader: IntermediateTypeStars
narrower: GDwarfStars
narrower: GGiantStars
narrower: GSubdwarfStars
narrower: GSubgiantStars
narrower: GSupergiantStars
pref label: ESTRELLAS G
pref label: ETOILE G @fr
pref label: G STARS @en
pref label: G-STERNE @de
pref label: STELLE G @it
related: SpectralTypes

GSubdwarfStars
type: Concept
broader: GStars
broader: SubdwarfStars
pref label: ESTRELLAS SUBENANAS G
pref label: ETOILE G SOUS NAINE @fr
pref label: G SUBDWARF STARS @en
pref label: G-UNTERZWERGE @de
pref label: STELLE SUBNANE G @it

GSubgiantStars
type: Concept
broader: GStars
broader: SubgiantStars
pref label: ESTRELLAS SUBGIGANTES G
pref label: ETOILE G SOUS GEANTE @fr
pref label: G SUBGIANT STARS @en
pref label: G-UNTERRIESEN @de
pref label: STELLE SUBGIGANTI G @it
related: GGiantStars

GSupergiantStars
type: Concept
broader: GStars
broader: SupergiantStars
pref label: ESTRELLAS SUPERGIGANTES G
pref label: ETOILE G SUPERGEANTE @fr
pref label: G SUPERGIANT STARS @en
pref label: G-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI G @it

GuideSystems
type: Concept
broader: Instrumentation
narrower: Autoguiders
pref label: GUIDE SYSTEMS @en
pref label: NACHFUEHRUNGSSYSTEME @de
pref label: SISTEMAS DE GUIADO
pref label: SISTEMI DI GUIDA @it
pref label: SYSTEME DE GUIDAGE @fr
related: ControlSystems
related: QuadrantDetectors
related: Telescopes

GunnDiodes
type: Concept
pref label: DIODE DE GUNN @fr
pref label: DIODI GUNN @it
pref label: DIODOS GUNN
pref label: GUNN DIODES @en
pref label: GUNN-DIODEN @de
related: SemiconductorDevices

GyrosynchrotronRadiation
type: Concept
broader: SynchrotronRadiation
pref label: EMISIONES GIROSINCROTRONICAS
pref label: GYROSYNCHROTRON RADIATION @en
pref label: GYROSYNCHROTRON-STRAHLUNG @de
pref label: RADIAZIONE DI GIROSINCROTRONE @it
pref label: RAYONNEMENT GYROSYNCHROTRON @fr

HadronBarrier
type: Concept
pref label: BARRERA HADRONICA
pref label: BARRIERA ADRONICA @it
pref label: BARRIERE HADRONIQUE @fr
pref label: HADRON BARRIER @en
pref label: HADRONENBARRIERE @de
related: BigBangTheory

Hadrons
type: Concept
broader: ElementaryParticles
pref label: ADRONI @it
pref label: HADRON @fr
pref label: HADRONEN @de
pref label: HADRONES
pref label: HADRONS @en
related: Bosons

Halation
type: Concept
pref label: ALONE FOTOGRAFICO @it
pref label: HALATION @en
pref label: HALO FOTOGRAFICO
pref label: HALO [PHOTOGRAPHIE] @de
pref label: HALO [PHOTOGRAPHIE] / HALATION @fr
related: Images
related: PhotographicEmulsions
related: Turbidity

HalfWaveDipoles
type: Concept
broader: Dipoles
pref label: DIPOLE DEMI ONDE @fr
pref label: DIPOLI A MEZZ' ONDA @it
pref label: DIPOLOS DE MEDIA LONGITUD DE ONDA
pref label: HALBWELLENDIPOLE @de
pref label: HALF WAVE DIPOLES @en
related: RadioTelescopes
related: YagiAntennas

Halos
type: Concept
narrower: GalacticHalo
pref label: ALONI @it
pref label: HALO @fr
pref label: HALOS
pref label: HOF / RINGE / HALOS @de
related: Comets
related: Coronas
related: Galaxies
related: HaloStars
related: LightScattering

HaloStars
type: Concept
broader: PopulationIiStars
pref label: ESTRELLAS DE HALO
pref label: ETOILE DU HALO @fr
pref label: HALO STARS @en
pref label: HALO-STERNE @de
pref label: STELLE DI ALONE @it
related: GalacticHalo
related: GlobularStarClusters
related: Halos
related: StellarPopulations

HAlpha
type: Concept
broader: ResonanceLines
pref label: H ALFA
pref label: H ALPHA @fr
pref label: H-ALPHA @de
related: BalmerSeries

HAlphaEmissionLineStars
type: Concept
pref label: ESTRELLAS DE LINEA DE EMISION H ALFA
pref label: ETOILE A RAIE D'EMISSION H ALPHA @fr
pref label: H ALPHA EMISSION LINE STARS @en
pref label: H-ALPHA EMISSIONSLINIENSTERNE @de
pref label: STELLE CON RIGA DI EMISSIONE H ALFA @it
related: RwAurigaeStars
related: TAssociations
related: VariableStars

HAlphaPhotometry
type: Concept
broader: NarrowBandPhotometry
pref label: FOTOMETRIA H ALFA
pref label: H ALPHA PHOTOMETRY @en
pref label: H-ALPHA-PHOTOMETRIE @de
pref label: PHOTOMETRIE H ALPHA @fr

HAndKLines
type: Concept
broader: CalciumLines
narrower: HLine
narrower: KLine
pref label: H AND K LINES @en
pref label: H-UND K-LINIEN @de
pref label: LINEAS H Y K
pref label: RAIES H ET K @fr
pref label: RIGHE H E K @it

HanleEffect
type: Concept
pref label: EFECTO HANLE
pref label: EFFET HANLE @fr
pref label: EFFETTO HANLE @it
pref label: HANLE EFFECT @en
pref label: HANLE-EFFEKT @de
related: Prominences
related: Sun

HarmanSeatonSequence
type: Concept
pref label: HARMAN SEATON SEQUENCE @en
pref label: HARMAN-SEATON SEQUENZ @de
pref label: SECUENCIA HARMAN SEATON
pref label: SEQUENCE DE HARMAN-SEATON @fr
pref label: SEQUENZA DI HARMAN SEATON @it
related: HertzsprungRussellDiagram
related: PlanetaryNebulae
related: SubdwarfStars

HarmonicFrequencies
type: Concept
alt label: armonicas
alt label: armoniche @it
alt label: armoniche superiori @it
alt label: harmonic overtones @en
alt label: harmonics @en
alt label: harmonique @fr
alt label: harmonique superieur @fr
alt label: harmonische Oberschwingungen @de
alt label: sobretonos armonicos
pref label: FRECUENCIAS ARMONICAS
pref label: FREQUENCE HARMONIQUE @fr
pref label: FREQUENZE ARMONICHE @it
pref label: HARMONIC FREQUENCIES @en
pref label: OBERSCHWINGUNGSFREQUENZ @de
related: FourierAnalysis
related: FourierComponents
related: FundamentalFrequency
related: OvertoneFrequencies
scope note: Refers only to Fourier components of non-sinusoidal waves. See also OVERTONE FREQUENCIES.

HaroGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE DI HARO @it
pref label: GALAXIAS HARO
pref label: GALAXIE DE HARO @fr
pref label: HARO GALAXIEN @de
pref label: HARO GALAXIES @en
related: EmissionLineGalaxies

HartmannTest
type: Concept
pref label: HARTMANN TEST @en
pref label: HARTMANN-TEST @de
pref label: PROVA DI HARTMANN @it
pref label: TEST DE HARTMANN
related: Figuring
related: Images
related: OpticalInstruments

HawkingRadiation
type: Concept
pref label: HAWKING RADIATION @en
pref label: HAWKING-STRAHLUNG @de
pref label: RADIACION DE HAWKING
pref label: RADIAZIONE DI HAWKING @it
pref label: RAYONNEMENT DE HAWKING @fr
related: BlackHoles
related: EventHorizon

HayashiTrack
type: Concept
broader: EvolutionaryTracks
pref label: HAYASHI TRACK @en
pref label: HAYASHI-LINIE @de
pref label: TRACCIA DI HAYASHI @it
pref label: TRAJET DE HAYASHI @fr
pref label: TRAYECTO EVOLUTIVO DE HAYASHI
related: Convection
related: HertzsprungRussellDiagram

HBeta
type: Concept
pref label: H BETA
pref label: H-BETA @de
related: BalmerSeries

HBetaPhotometry
type: Concept
broader: NarrowBandPhotometry
pref label: FOTOMETRIA H BETA
pref label: H BETA PHOTOMETRY @en
pref label: H-BETA PHOTOMETRIE @de
pref label: PHOTOMETRIE H BETA @fr
related: StromgrenPhotometry

HdCurve
type: Concept
pref label: COURBE HD / COURBE DE GRADATION @fr
pref label: CURVA HD
pref label: HD CURVE @en
pref label: SCHWAERZUNGSKURVE @de
related: Photography
scope note: Hurter and Driffield curve.

HeadTailGalaxies
type: Concept
broader: Galaxies
broader: RadioGalaxies
broader: RadioSources
pref label: GALASSIE TESTA CODA @it
pref label: GALAXIES TETE QUEUE @fr
pref label: HEAD TAIL GALAXIES @en
pref label: KOPF-SCHWANZ RADIOGALAXIEN @de
pref label: RADIOGALAXIAS CABEZA COLA
related: RadioStructure
related: Tails

HeavyElements
type: Concept
broader: ChemicalElements
pref label: ELEMENT LOURD @fr
pref label: ELEMENTI PESANTI @it
pref label: ELEMENTOS PESADOS
pref label: HEAVY ELEMENTS @en
pref label: SCHWERE ELEMENTE @de
related: Abundance

HeavyMetalStars
type: Concept
broader: LateTypeGiantStars
broader: PeculiarStars
pref label: ESTRELLAS DE METAL PESADO
pref label: ETOILE A ELEMENTS LOURDS @fr
pref label: HEAVY METAL STARS @en
pref label: SCHWERMETALL-STERNE @de
pref label: STELLE CON METALLI PESANTI @it
related: BariumStars
related: SStars
related: ZirconiumStars

HeIonizationZone
type: Concept
pref label: HE+ IONISATIONSZONE @de
pref label: HE+ IONIZATION ZONE @en
pref label: ZONA DE IONIZACION HE+
pref label: ZONA DI IONIZZAZIONE DELL'HE+ @it
pref label: ZONE D'IONISATION HE+ @fr
related: Cepheids
related: DeltaScutiStars
related: KappaMechanism
related: PulsatingVariableStars
related: PulsationTheory
related: RadialPulsations
related: VariableStars
related: ZzCetiStars

HeliocentricCorrection
type: Concept
pref label: CORRECCION HELIOCENTRICA
pref label: CORRECTION HELIOCENTRIQUE @fr
pref label: CORREZIONE ELIOCENTRICA @it
pref label: HELIOCENTRIC CORRECTION @en
pref label: HELIOZENTRISCHE KORREKTION @de
related: AstronomicalUnit
related: CoordinateSystems
related: HeliocentricJulianDate
related: HeliocentricVelocity
scope note: Correction of velocities and times to the sun's position.

HeliocentricJulianDate
type: Concept
alt label: hjd
broader: JulianDate
pref label: DATA GIULIANA ELIOCENTRICA @it
pref label: DATE JULIENNE HELIOCENTRIQUE @fr
pref label: FECHA JULIANA HELIOCENTRICA
pref label: HELIOCENTRIC JULIAN DATE @en
pref label: HELIOZENTRISCHES JULIANISCHES DATUM @de
related: HeliocentricCorrection

HeliocentricOrbits
type: Concept
broader: Orbits
pref label: HELIOCENTRIC ORBITS @en
pref label: HELIOZENTRISCHE BAHNEN @de
pref label: ORBITAS HELIOCENTRICAS
pref label: ORBITE ELIOCENTRICHE @it
pref label: ORBITE HELIOCENTRIQUE @fr

HeliocentricVelocity
type: Concept
broader: Velocity
pref label: HELIOCENTRIC VELOCITY @en
pref label: HELIOZENTRISCHE GESCHWINDIGKEIT @de
pref label: VELOCIDAD HELIOCENTRICA
pref label: VELOCITA ELIOCENTRICA @it
pref label: VITESSE HELIOCENTRIQUE @fr
related: HeliocentricCorrection

heliographs
type: Concept
pref label: HELIOGRAFOS
pref label: Heliographen @de
pref label: eliografi @it
pref label: heliographe @fr
pref label: heliographs @en

Heliometers
type: Concept
broader: MeasuringInstruments
pref label: ELIOMETRI @it
pref label: HELIOMETER @de
pref label: HELIOMETERS @en
pref label: HELIOMETRE @fr
pref label: HELIOMETROS

Heliopause
type: Concept
pref label: ELIOPAUSA @it
pref label: HELIOPAUSA
pref label: HELIOPAUSE @de
related: SolarAtmosphere
related: SolarWind

Helioseismology
type: Concept
alt label: SOLARE SEISMOLOGIE @de
alt label: sismologia solar
alt label: sismologia solare @it
alt label: sismologie solaire @fr
alt label: solar seismology @en
broader: Asteroseismology
broader: Seismology
pref label: ELIOSISMOLOGIA @it
pref label: HELIOSEISMOLOGIE @de
pref label: HELIOSEISMOLOGY @en
pref label: HELIOSISMOLOGIA
pref label: HELIOSISMOLOGIE @fr
related: SolarOscillations
scope note: See SOLAR SEISMOLOGY

Heliosphere
type: Concept
pref label: ELIOSFERA @it
pref label: HELIOSFERA
pref label: HELIOSPHAERE @de
pref label: HELIOSPHERE @fr
related: InterplanetaryMatter
related: InterstellarGas
related: SolarActivity
related: SolarAtmosphere
related: SolarWind

Heliostats
type: Concept
broader: Coelostats
pref label: ELIOSTATI @it
pref label: HELIOSTAT @fr
pref label: HELIOSTATE @de
pref label: HELIOSTATOS
pref label: HELIOSTATS @en
related: Siderostats
related: SolarTelescopes
related: TelescopeMountings

HeliumBurning
type: Concept
broader: NuclearFusion
broader: Nucleosynthesis
pref label: COMBUSTION DEL HELIO
pref label: COMBUSTIONE DELL'ELIO @it
pref label: FUSION DE L'HELIUM @fr
pref label: HELIUM BURNING @en
pref label: HELIUMBRENNEN @de
related: CarbonBurning
related: HeliumFlash
related: HeliumShellFlash
related: HydrogenBurning
related: InnerCore
related: OxygenBurning
related: ShellBurning
related: SiliconBurning
related: StellarEvolution
related: StellarInteriors

HeliumFlash
type: Concept
alt label: Heliumexplosion @de
alt label: detonacion del helio
alt label: detonation d'helium @fr
alt label: detonazione dell'elio @it
alt label: helium detonation @en
pref label: FLAMBEE D'HELIUM @fr
pref label: FLASH DEL HELIO
pref label: FLASH DELL'ELIO @it
pref label: HELIUM FLASH @en
pref label: HELIUMBLITZ @de
related: CarbonFlash
related: HeliumBurning
related: HeliumShellFlash
related: NuclearFusion
related: RedGiantTip

HeliumPoorStars
type: Concept
narrower: BwStars
pref label: ESTRELLAS POBRES EN HELIO
pref label: ETOILE PAUVRE EN HELIUM @fr
pref label: HELIUM POOR STARS @en
pref label: HELIUMARME STERNE @de
pref label: STELLE POVERE DI ELIO @it
related: Abundance
related: MetalAbundance

HeliumRichStars
type: Concept
pref label: ESTRELLAS RICAS EN HELIO
pref label: ETOILE RICHE EN HELIUM @fr
pref label: HELIUM RICH STARS @en
pref label: HELIUMREICHE STERNE @de
pref label: STELLE RICCHE DI ELIO @it
related: Abundance
related: MetalAbundance

HeliumShellFlash
type: Concept
pref label: DESTELLO DE LA ENVOLTURE DE HELIO
pref label: FLAMBEE DE LA COUCHE D'HELIUM @fr
pref label: FLASH DEL GUSCIO DI ELIO @it
pref label: HELIUM SHELL FLASH @en
pref label: HELIUMSCHALENBLITZ @de
related: HeliumBurning
related: HeliumFlash
related: NuclearFusion

HelmholtzKelvinContraction
type: Concept
alt label: Kelvin-Helmholtz-Kontraktion @de
alt label: contraccion kelvin helmholtz
alt label: contraction de Kelvin Helmholtz @fr
alt label: contrazione di kelvin helmholtz @it
alt label: kelvin helmholtz contraction @en
pref label: CONTRACCION HELMHOLTZ KELVIN
pref label: CONTRACTION DE HELMHOLTZ KELVIN @fr
pref label: CONTRAZIONE DI HELMHOLTZ KELVIN @it
pref label: HELMHOLTZ KELVIN CONTRACTION @en
pref label: HELMHOLTZ-KELVIN KONTRAKTION @de
related: KelvinTimescale

HenryDraperCatalog
type: Concept
broader: Catalogs
pref label: CATALOGO DI HENRY DRAPER @it
pref label: CATALOGO HENRY DRAPER
pref label: CATALOGUE HENRY DRAPER @fr
pref label: HENRY DRAPER CATALOG @en
pref label: HENRY-DRAPER-KATALOG @de
related: HenryDraperSystem
related: SpectralClassification

HenryDraperSystem
type: Concept
alt label: Harvard-Klassifikation @de
alt label: clasificacion de harvard
alt label: classification de harvard @fr
alt label: classificazione di harvard @it
alt label: harvard classification @en
alt label: hd System @de
alt label: hd system @en
alt label: sistema hd
alt label: systeme hd @fr
broader: SpectralClassification
pref label: HENRY DRAPER SYSTEM @en
pref label: HENRY-DRAPER-SYSTEM @de
pref label: SISTEMA DI HENRY DRAPER @it
pref label: SISTEMA HENRY DRAPER
pref label: SYSTEME HENRY DRAPER @fr
related: HenryDraperCatalog

HenyeyTrack
type: Concept
broader: EvolutionaryTracks
pref label: HENYEY TRACK @en
pref label: HENYEY TRACK?
pref label: HENYEY-BAHN @de
pref label: TRACCIA DI HENYEY @it
pref label: TRAJET DE HENYEY @fr
related: HertzsprungRussellDiagram
related: StellarEvolution

HerbigHaroObjects
type: Concept
alt label: HH-Objekte @de
alt label: hh objects @en
alt label: objet HH @fr
alt label: objetos hh
alt label: oggetti hh @it
broader: EmissionLineObjects
broader: EmissionNebulae
broader: InfraredSources
broader: IntrinsicVariableStars
broader: PremainsequenceStars
pref label: HERBIG HARO OBJECTS @en
pref label: HERBIG-HARO-OBJEKTE @de
pref label: OBJET HERBIG HARO @fr
pref label: OBJETOS HERBIG HARO
pref label: OGGETTI HERBIG HARO @it
related: Protostars
related: TAssociations
related: TTauriStars

HertzsprungGap
type: Concept
pref label: HERTZSPRUNG GAP @en
pref label: HERTZSPRUNG-LUECKE @de
pref label: LACUNA DI HERTZSPRUNG @it
pref label: LACUNE DE HERTZSPRUNG @fr
pref label: LAGUNA DE HERZSPRUNG
related: GiantBranch
related: HertzsprungRussellDiagram

HertzsprungRussellDiagram
type: Concept
alt label: HR Diagramm @de
alt label: diagrama hr
alt label: diagramma hr @it
alt label: diagramme HR @fr
alt label: hr diagram @en
pref label: DIAGRAMA DE HERTZSPRUNG RUSSELL
pref label: DIAGRAMMA DI HERTZSPRUNG RUSSELL @it
pref label: DIAGRAMME DE HERTZSPRUNG RUSSELL @fr
pref label: HERTZSPRUNG RUSSELL DIAGRAM @en
pref label: HERTZSPRUNG-RUSSELL-DIAGRAMM @de
related: AbsoluteMagnitude
related: AsymptoticGiantBranch
related: ColorLuminosityRelation
related: ColorMagnitudeRelation
related: EvolutionaryTracks
related: GiantBranch
related: HarmanSeatonSequence
related: HayashiTrack
related: HenyeyTrack
related: HertzsprungGap
related: HessDiagram
related: InstabilityStrip
related: Luminosity
related: Mainsequence
related: RedGiantTip
related: Spectra
related: StellarEvolution
related: TurnoffPoint
related: ZeroAgeHorizontalBranch
related: ZeroAgeMainsequence

HessDiagram
type: Concept
pref label: DIAGRAMA DE HESS
pref label: DIAGRAMMA DI HESS @it
pref label: DIAGRAMME DE HESS @fr
pref label: HESS DIAGRAM @en
pref label: HESS-DIAGRAMM @de
related: FrequencyDistribution
related: HertzsprungRussellDiagram

Heterodyne
type: Concept
pref label: ETERODINA @it
pref label: HETERODINO
pref label: HETERODYNE @fr
pref label: SCHWEBUNGSOSZILLATOR / HETERODYN- @de
related: Interferometers
related: Spectroscopy
scope note: Combine with other terms

HIAbsorption
type: Concept
pref label: ABSORCION H I
pref label: ASSORBIMENTO H I @it
pref label: H I ABSORPTION @en
pref label: H I EN ABSORPTION @fr
pref label: HI ABSORPTION @de
related: 21CmLine
related: HIClouds

HIClouds
type: Concept
pref label: H I CLOUDS @en
pref label: HI WOLKEN @de
pref label: NUAGE D'HYDROGENE NEUTRE @fr
pref label: NUBES H I
pref label: NUBI H I @it
related: 21CmLine
related: HIAbsorption

HIContent
type: Concept
pref label: CONTENIDO H I
pref label: CONTENU EN HYDROGENE NEUTRE @fr
pref label: CONTENUTO DI H I @it
pref label: H I CONTENT @en
pref label: HI GEHALT @de
related: 21CmLine

HIEmission
type: Concept
pref label: EMISION H I
pref label: EMISSIONE DELL'H I @it
pref label: H I EMISSION @en
pref label: H I EN EMISSION @fr
pref label: HI EMISSION @de
related: 21CmLine

HierarchicalCosmology
type: Concept
broader: Cosmology
pref label: COSMOLOGIA GERARCHICA @it
pref label: COSMOLOGIA JERARQUICA
pref label: COSMOLOGIE HIERARCHIQUE @fr
pref label: HIERARCHICAL COSMOLOGY @en
pref label: HIERARCHISCHE KOSMOLOGIE @de

HighEnergyAstrophysics
type: Concept
alt label: Hochenergieprozesse @de
alt label: PROCESOS DE ALTA ENERGIA
alt label: high energy processes @en
alt label: processi di alta energia @it
alt label: processus a haute energie @fr
pref label: ASTROFISICA DE ALTAS ENERGIAS
pref label: ASTROFISICA DELLE ALTE ENERGIE @it
pref label: ASTROPHYSIQUE DES HAUTES ENERGIES @fr
pref label: HIGH ENERGY ASTROPHYSICS @en
pref label: HOCHENERGIEASTROPHYSIK @de
related: CosmicRayAstronomy
related: InverseComptonEffect
related: NuclearAstrophysics
related: ParticleBeams

HighEnergyRadiation
type: Concept
broader: Radiation
narrower: CosmicRays
narrower: GammaRays
narrower: XRays
pref label: HIGH ENERGY RADIATION @en
pref label: HOCHENERGETISCHE STRAHLUNG @de
pref label: RADIACION DE ALTA ENERGIA
pref label: RADIAZIONE DI ALTA ENERGIA @it
pref label: RAYONNEMENT A HAUTE ENERGIE @fr
related: XRayLuminosity

HighLuminosityStars
type: Concept
alt label: bright stars @en
alt label: estrellas luminosas
alt label: etoile brillante @fr
alt label: leuchtkraeftige Sterne @de
alt label: luminous stars @en
alt label: stelle luminose @it
narrower: LuminousBlueVariableStars
narrower: Novas
narrower: SupergiantStars
narrower: Supernovas
pref label: ESTRELLAS DE ALTA LUMINOSIDAD
pref label: ETOILE TRES LUMINEUSE @fr
pref label: HIGH LUMINOSITY STARS @en
pref label: STELLE DI ALTA LUMINOSITA @it
pref label: STERNE MIT HOHER LEUCHTKRAFT @de

HighResolutionSpectra
type: Concept
alt label: ESPECTROS DE ALTA DISPERSION
alt label: Spektren hoher Dispersion @de
alt label: high dispersion spectra @en
alt label: spectre a haute dispersion @fr
alt label: spettri ad alta dispersione @it
narrower: CoudeSpectra
narrower: EchelleSpectra
pref label: ESPECTROS DE ALTA RESOLUCION
pref label: HIGH RESOLUTION SPECTRA @en
pref label: HOCHAUFLOESENDE SPEKTREN @de
pref label: SPECTRE A HAUTE RESOLUTION @fr
pref label: SPETTRI AD ALTA RISOLUZIONE @it
related: CoudeSpectrographs
related: EchelleSpectrographs

HighResolutionSpectrosopy
type: Concept
alt label: Spektroskopie mit hoher Dispersion @de
alt label: espectroscopia de alta dispersion
alt label: high dispersion spectroscopy @en
alt label: spectroscopie a haute dispersion @fr
alt label: spettroscopia ad alta dispersione @it
broader: Spectroscopy
pref label: ESPECTROSCOPIA DE ALTA RESOLUCION
pref label: HIGH RESOLUTION SPECTROSOPY @en
pref label: HOCHAUFLOESENDE SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE A HAUTE RESOLUTION @fr
pref label: SPETTROSCOPIA AD ALTA RISOLUZIONE @it
related: CoudeSpectrographs
related: EchelleSpectrographs

HighSpeedPhotometers
type: Concept
broader: Photometers
pref label: FOTOMETRI AD ALTA VELOCITA @it
pref label: FOTOMETROS DE ALTA VELOCIDAD
pref label: HIGH SPEED PHOTOMETERS @en
pref label: HOCHGESCHWINDIGKEITS-PHOTOMETER @de
pref label: PHOTOMETRE RAPIDE @fr
related: TimeResolvedSpectroscopy
related: VariableStars

HighTemperature
type: Concept
alt label: caldo @it
alt label: caliente
alt label: chaud @fr
alt label: heiss @de
alt label: hot @en
pref label: ALTA TEMPERATURA
pref label: HAUTE TEMPERATURE @fr
pref label: HIGH TEMPERATURE @en
pref label: HOCHTEMPERATUR @de
scope note: Combine with other terms

HighVelocityClouds
type: Concept
pref label: HIGH VELOCITY CLOUDS @en
pref label: HOCHGESCHWINDIGKEITS-WOLKEN @de
pref label: NUAGE A GRANDE VITESSE @fr
pref label: NUBES DE ALTA VELOCIDAD
pref label: NUBI AD ALTA VELOCITA @it
related: GalacticRotation
related: HighVelocityStars
related: MilkyWayGalaxy
related: Velocity

HighVelocityStars
type: Concept
pref label: ESTRELLAS DE ALTA VELOCIDAD
pref label: ETOILE A GRANDE VITESSE @fr
pref label: HIGH VELOCITY STARS @en
pref label: SCHNELLAEUFER @de
pref label: STELLE AD ALTA VELOCITA @it
related: GalacticRotation
related: HighVelocityClouds
related: MilkyWayGalaxy
related: Orbits
related: RunawayStars
related: Velocity

HIiRegions
type: Concept
broader: EmissionLineObjects
broader: EmissionNebulae
broader: InterstellarMatter
narrower: CompactHIiRegions
pref label: H II REGIONS @en
pref label: HII REGIONEN @de
pref label: REGION H II @fr
pref label: REGIONES H II
pref label: REGIONI H II @it
related: BokGlobules
related: EmissionLineGalaxies
related: EmissionLines
related: ExcitingStars
related: FaradayEffect
related: Nebulae
related: Plasmas
related: RadioRecombinationLines
related: YoungStars

HirayamaFamilies
type: Concept
broader: MinorPlanetFamilies
pref label: FAMIGLIE DI HIRAYAMA @it
pref label: FAMILIAS HIRAYAMA
pref label: FAMILLE DE HIRAYAMA @fr
pref label: HIRAYAMA FAMILIES @en
pref label: HIRAYAMA-FAMILIEN @de
related: ApolloGroup

HIRegions
type: Concept
broader: InterstellarMatter
pref label: H I REGIONS @en
pref label: HI REGIONEN @de
pref label: REGION H I @fr
pref label: REGIONES H I
pref label: REGIONI H I @it
related: 21CmLine
related: NeutralGases
related: RadioAbsorption
related: RadioRecombinationLines

HistoryOfAstronomy
type: Concept
narrower: Archaeoastronomy
pref label: GESCHICHTE DER ASTRONOMY @de
pref label: HISTOIRE DE L'ASTRONOMIE @fr
pref label: HISTORIA DE LA ASTRONOMIA
pref label: HISTORY OF ASTRONOMY @en
pref label: STORIA DELL'ASTRONOMIA @it
scope note: Combine with other terms

HLine
type: Concept
broader: FraunhoferLines
broader: HAndKLines
pref label: H LINE @en
pref label: H LINIE @de
pref label: LINEA H
pref label: RAIE DE L'HYDROGENE @fr
pref label: RIGA DELL'H @it
related: KLine

HMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: H MAGNITUDE @en
pref label: H-HELLIGKEIT @de
pref label: MAGNITUD H
pref label: MAGNITUDE H @fr
pref label: MAGNITUDI H @it
related: InfraredPhotometry
related: NearInfraredRadiation

HolmbergRadius
type: Concept
pref label: HOLMBERG RADIUS @en
pref label: HOLMBERG-RADIUS @de
pref label: RADIO DE HOLMBERG
pref label: RAGGIO DI HOLMBERG @it
pref label: RAYON DE HOLMBERG @fr
related: Galaxies

HolmiumStars
type: Concept
broader: ApStars
broader: PeculiarStars
pref label: ESTRELLAS DE HOLMIO
pref label: ETOILE A HOLMIUM @fr
pref label: HOLMIUM STARS @en
pref label: HOLMIUM-STERNE @de
pref label: STELLE ALL OLMIO @it

HoltsmarkApproximation
type: Concept
pref label: APPROSSIMAZIONE DI HOLTSMARK @it
pref label: APPROXIMATION DE HOLSTMARK @fr
pref label: APROXIMACION DE HOLTSMARK
pref label: HOLTSMARK APPROXIMATION @en
pref label: HOLTSMARK-APPROXIMATION @de
related: Plasmas

Horizon
type: Concept
pref label: HORIZON @fr
pref label: HORIZONT @de
pref label: HORIZONTE
pref label: ORIZZONTE @it
related: AltitudeAngle
related: Azimuth
related: CelestialSphere
related: HorizonCoordinateSystem

HorizonCoordinateSystem
type: Concept
broader: CoordinateSystems
pref label: HORIZON COORDINATE SYSTEM @en
pref label: HORIZONTALKOORDINATEN-SYSTEM @de
pref label: SISTEMA HORIZONTAL DE COORDENADAS
pref label: SISTEMA LOCALE DI COORDINATE @it
pref label: SYSTEME DE COORDONNEES ALTAZIMUTALES @fr
related: AltazimuthMounting
related: AltitudeAngle
related: Azimuth
related: Horizon
related: Nadir
related: Zenith

HorizontalBranchStars
type: Concept
broader: EvolvedStars
broader: PopulationIiStars
pref label: ESTRELLAS DE LA RAMA HORIZONTAL
pref label: ETOILE DE LA BRANCHE HORIZONTALE @fr
pref label: HORIZONTAL BRANCH STARS @en
pref label: HORIZONTALAST-STERNE @de
pref label: STELLE DEL RAMO ORIZZONTALE @it
related: GiantBranchStars
related: GlobularStarClusters
related: RrLyraeStars

HorizontalParallax
type: Concept
broader: DiurnalParallax
pref label: HORIZONTAL PARALLAX @en
pref label: HORIZONTALPARALLAXE @de
pref label: PARALAJE HORIZONTAL
pref label: PARALLASSE ORIZZONTALE @it
pref label: PARALLAXE HORIZONTALE @fr

HornAntennas
type: Concept
broader: Antennas
broader: RadioWaveguides
pref label: ANTENAS BOCINA
pref label: ANTENNE A TROMBA @it
pref label: ANTENNE EN CORNET @fr
pref label: HORN ANTENNAS @en
pref label: HORNANTENNEN @de
related: FeedHorns

HorseshoeMounting
type: Concept
broader: EquatorialMounting
pref label: HORSESHOE MOUNTING @en
pref label: HUFEISENMONTIERUNG @de
pref label: MONTATURA A FERRO DI CAVALLO @it
pref label: MONTURA DE HERRADURA
pref label: MONTURE EN FER A CHEVAL @fr

HourAngle
type: Concept
pref label: ANGLE HORAIRE @fr
pref label: ANGOLO ORARIO @it
pref label: ANGULO HORARIO
pref label: HOUR ANGLE @en
pref label: STUNDENWINKEL @de
related: RightAscension
related: SiderealTime
related: TransitTime

HubbleClassification
type: Concept
alt label: Hubble-Sequenz @de
alt label: hubble sequence @en
alt label: secuencia de hubble
alt label: sequence de Hubble @fr
alt label: sequenza di hubble @it
pref label: CLASIFICACION DE HUBBLE
pref label: CLASSIFICATION DE HUBBLE @fr
pref label: CLASSIFICAZIONE DI HUBBLE @it
pref label: HUBBLE CLASSIFICATION @en
pref label: HUBBLE-KLASSIFIKATION @de
related: Galaxies

HubbleConstant
type: Concept
pref label: CONSTANTE DE HUBBLE
pref label: COSTANTE DI HUBBLE @it
pref label: HUBBLE CONSTANT @en
pref label: HUBBLEKONSTANTE @de
related: CosmologicalDistanceScale
related: Cosmology
related: HubbleTime
related: RedshiftMagnitudeRelation

HubbleDiagram
type: Concept
pref label: DIAGRAMA DE HUBBLE
pref label: DIAGRAMMA DI HUBBLE @it
pref label: DIAGRAMME DE HUBBLE @fr
pref label: HUBBLE DIAGRAM @en
pref label: HUBBLE-DIAGRAMM @de
related: Cosmology
related: Galaxies
related: Redshift
related: RedshiftMagnitudeRelation

HubbleLaw
type: Concept
pref label: HUBBLE LAW @en
pref label: HUBBLE-PRINZIP @de
pref label: LEGGE DI HUBBLE @it
pref label: LEY DE HUBBLE
pref label: LOI DE HUBBLE @fr
related: Cosmology
related: ObservationalCosmology
related: Redshift
related: RedshiftMagnitudeRelation

HubbleRadius
type: Concept
pref label: HUBBLE RADIUS @en
pref label: HUBBLE-RADIUS @de
pref label: RADIO DE HUBBLE
pref label: RAGGIO DI HUBBLE @it
pref label: RAYON DE HUBBLE @fr
related: BigBangTheory
related: Cosmology

HubbleSandageVariableStars
type: Concept
alt label: H S Veraenderliche @de
alt label: estrellas variables h s
alt label: etoile variable hs @fr
alt label: h s variable stars @en
alt label: stelle variabili h s @it
pref label: ESTRELLAS VARIABLES HUBBLE SANDAGE
pref label: ETOILE VARIABLE DE HUBBLE SANDAGE @fr
pref label: HUBBLE SANDAGE VARIABLE STARS @en
pref label: HUBBLE-SANDAGE-VERAENDERLICHE STERNE @de
pref label: STELLE VARIABILI DI HUBBLE SANDAGE @it
related: SupergiantStars

HubbleTime
type: Concept
pref label: HUBBLE TIME @en
pref label: HUBBLE-ZEIT @de
pref label: TEMPO DI HUBBLE @it
pref label: TEMPS DE HUBBLE @fr
pref label: TIEMPO DE HUBBLE
related: Age
related: BigBangTheory
related: Cosmology
related: HubbleConstant

Hydrocarbons
type: Concept
narrower: Ch
narrower: Ethane
narrower: Ethylene
narrower: PolycyclicHydrocarbon
pref label: HIDROCARBONOS
pref label: HYDROCARBONS @en
pref label: HYDROCARBURE @fr
pref label: IDROCARBURI @it
pref label: KOHLENWASSERSTOFFE @de

Hydrodynamics
type: Concept
broader: FluidDynamics
pref label: HIDRODINAMICA
pref label: HYDRODYNAMICS @en
pref label: HYDRODYNAMIK @de
pref label: HYDRODYNAMIQUE @fr
pref label: IDRODINAMICA @it
related: Jets
related: Magnetohydrodynamics

HydrogenBurning
type: Concept
broader: Nucleosynthesis
narrower: CarbonNitrogenCycle
narrower: ProtonProtonReaction
pref label: COMBUSTION DEL HIDROGENO
pref label: COMBUSTIONE DELL'iIDROGENO @it
pref label: FUSION DE L'HYDROGENE @fr
pref label: HYDROGEN BURNING @en
pref label: WASSERSTOFFBRENNEN @de
related: CarbonBurning
related: ChandrasekharSchonbergLimit
related: HeliumBurning
related: InnerCore
related: NuclearFusion
related: OxygenBurning
related: ShellBurning
related: SiliconBurning
related: StellarEvolution
related: StellarInteriors

HydrogenDeficientStars
type: Concept
narrower: AmCanumVenaticorumStars
pref label: ESTRELLAS DEFICIENTES EN HIDROGENO
pref label: ETOILE DEFICIENTE EN HYDROGENE @fr
pref label: HYDROGEN DEFICIENT STARS @en
pref label: STELLE CARENTI DI IDROGENO @it
pref label: WASSERSTOFFARME STERNE @de
related: MetalAbundance

HydrogenLines
type: Concept
pref label: HYDROGEN LINES @en
pref label: LINEAS DE HIDROGENO
pref label: RAIE DE L'HYDROGENE @fr
pref label: RIGHE DELL'IDROGENO @it
pref label: WASSERSTOFFLINIEN @de
scope note: See HYDROGEN SPECTRUM

HydrogenSpectrum
type: Concept
broader: Spectra
pref label: ESPECTRO DE HIDROGENO
pref label: HYDROGEN SPECTRUM @en
pref label: SPECTRE DE L'HYDROGENE @fr
pref label: SPETTRO DELL'IDROGENO @it
pref label: WASSERSTOFFSPEKTRUM @de
related: BalmerContinuum
related: BalmerLimit
related: BalmerSeries
related: BrackettSeries
related: LymanContinuum
related: LymanSeries
related: PaschenSeries
related: PfundSeries

HydrostaticEquilibrium
type: Concept
pref label: EQUILIBRE HYDROSTATIQUE @fr
pref label: EQUILIBRIO HIDROSTATICO
pref label: EQUILIBRIO IDROSTATICO @it
pref label: HYDROSTATIC EQUILIBRIUM @en
pref label: HYDROSTATISCHES GLEICHGEWICHT @de
related: StellarStructure

HydroxylRadical
type: Concept
alt label: OH radical @en
alt label: OH-RADIKAL @de
alt label: RADICAL OH
alt label: radical OH @fr
alt label: radicale OH @it
broader: InterstellarMolecules
broader: Ions
broader: Radicals
pref label: HYDROXYL RADICAL @en
pref label: HYDROXYLRADIKAL @de
pref label: RADICAL OXHYDRILE @fr
pref label: RADICAL OXIDRILO
pref label: RADICALE OSSIDRILE @it
related: OhAbsorption
related: OhClouds
related: OhEmission
related: OhIrStars
related: OhLines
related: OhMasers
related: OhSources
scope note: Synonym for OH.

HyperbolicOrbits
type: Concept
broader: Orbits
pref label: HYPERBELBAHNEN @de
pref label: HYPERBOLIC ORBITS @en
pref label: ORBITAS HIPERBOLICAS
pref label: ORBITE HYPERBOLIQUE @fr
pref label: ORBITE IPERBOLICHE @it
related: CircularOrbits
related: EllipticalOrbits
related: ParabolicOrbits

HyperfineLines
type: Concept
pref label: HYPERFEINSTRUKTURLINIEN @de
pref label: HYPERFINE LINES @en
pref label: LINEAS HIPERFINAS
pref label: RAIE HYPERFINE @fr
pref label: RIGHE IPERFINI @it
related: Spectra

Hypergalaxies
type: Concept
broader: Galaxies
pref label: HIPERGALAXIAS
pref label: HYPERGALAXIE @fr
pref label: HYPERGALAXIEN @de
pref label: HYPERGALAXIES @en
pref label: IPERGALASSIE @it

HypergiantStars
type: Concept
pref label: ESTRELLAS HIPERGIGANTES
pref label: ETOILE HYPERGEANTE @fr
pref label: HYPERGIANT STARS @en
pref label: STELLE IPERGIGANTI @it
pref label: UEBERRIESEN @de
related: SupergiantStars

HypotheticalPlanets
type: Concept
broader: Planets
pref label: HYPOTHETICAL PLANETS @en
pref label: HYPOTHETISCHE PLANETEN @de
pref label: PIANETI IPOTETICI @it
pref label: PLANETAS HIPOTETICOS
pref label: PLANETE HYPOTHETIQUE @fr

HzHerculisStars
type: Concept
broader: LowMassStars
broader: NeutronStars
broader: XRayPulsars
pref label: ESTRELLAS HZ HERCULIS
pref label: ETOILES HZ HERCULIS @fr
pref label: HZ HERCULIS STARS @en
pref label: HZ HERCULIS-STERNE @de
pref label: STELLE HZ HERCULIS @it
related: XRayBinaryStars
related: XRayBursts

Identification
type: Concept
pref label: IDENTIFICACION
pref label: IDENTIFICATION @fr
pref label: IDENTIFICAZIONE @it
pref label: IDENTIFIZIERUNG @de
scope note: e.g. Catalog numbers, etc.

Illumination
type: Concept
pref label: BELEUCHTUNG @de
pref label: ECLAIREMENT @fr
pref label: ILLUMINATION @en
pref label: ILLUMINAZIONE @it
pref label: ILUMINACION
related: Albedo
related: Brightness
related: Intensity
related: PhaseMoon
related: Radiation
scope note: Of solar system bodies

ImageProcessing
type: Concept
pref label: BILDVERARBEITUNG @de
pref label: ELABORAZIONE DI IMMAGINI @it
pref label: IMAGE PROCESSING @en
pref label: PROCESAMIENTO DE IMAGENES
pref label: TRAITEMENT D'IMAGES @fr
related: CleanMethods
related: FlatFields
related: ImageReconstruction
related: TwoDimensionalDetectors

ImageReconstruction
type: Concept
pref label: BILDREKONSTRUKTION @de
pref label: IMAGE RECONSTRUCTION @en
pref label: RECONSTRUCCION DE IMAGENES
pref label: RECONSTRUCTION D'IMAGES @fr
pref label: RICOSTRUZIONE DI IMMAGINI @it
related: CleanMethods
related: ImageProcessing

Images
type: Concept
narrower: DigitalImages
narrower: Photographs
pref label: BILDER @de
pref label: IMAGE @fr
pref label: IMAGENES
pref label: IMAGES @en
pref label: IMMAGINI @it
related: Halation
related: HartmannTest
related: Photography
related: Vision

ImageTubes
type: Concept
alt label: Bildverstaerker @de
alt label: Bildwandler @de
alt label: Lichtverstaerker @de
alt label: amplificadores de luz
alt label: amplificateur de lumiere @fr
alt label: amplificatori di luce @it
alt label: convertidores de imagen
alt label: convertisseur d'images @fr
alt label: convertitori di immagini @it
alt label: image converters @en
alt label: image intensifiers @en
alt label: intensificadores de imagen
alt label: intensificateur d'images @fr
alt label: intensificatori di immagini @it
alt label: light amplifiers @en
alt label: photoelectric image tubes @en
alt label: photoelektrische Bildroehren @de
alt label: tube image photoelectrique @fr
alt label: tubi fotoelettrici per immagini @it
alt label: tubos de imagen fotoelectricos
broader: MultichannelDetectors
broader: PhotoelectricInstruments
broader: PhotoelectronicDevices
broader: TwoDimensionalDetectors
pref label: BILDWANDLERROEHREN @de
pref label: IMAGE TUBES @en
pref label: TUBE IMAGE @fr
pref label: TUBI CONVERTITORI DI IMMAGINI @it
pref label: TUBOS DE IMAGEN
related: Amplifiers
related: Electrodes
related: ElectronicCameras
related: Instrumentation
related: Phosphorescence
related: PhosphorescentScintillation
related: Photocathodes
related: QuantumEfficiency
related: ScintillationCounters

ImagingInstruments
type: Concept
broader: Instrumentation
pref label: ABBILDENDE INSTRUMENTE @de
pref label: IMAGING INSTRUMENTS @en
pref label: INSTRUMENT FORMANT UNE IMAGE @fr
pref label: INSTRUMENTOS DE IMAGEN
pref label: STRUMENTI PER IMMAGINI @it
scope note: Combine with other terms

IMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: I MAGNITUDE @en
pref label: I-HELLIGKEIT @de
pref label: MAGNITUD I
pref label: MAGNITUDE I @fr
pref label: MAGNITUDINE I @it
related: InfraredPhotometry
related: JohnsonPhotometry
related: NearInfraredRadiation

ImpactCraters
type: Concept
broader: Craters
pref label: CRATERE D'IMPACT @fr
pref label: CRATERES DE IMPACTO
pref label: CRATERI D'IMPATTO @it
pref label: EINSCHLAGKRATER @de
pref label: IMPACT CRATERS @en
related: Meteorites

ImpersonalAstrolabes
type: Concept
broader: Astrolabes
pref label: ASTROLABE IMPERSONNEL @fr
pref label: ASTROLABI IMPERSONALI @it
pref label: ASTROLABIOS IMPERSONALES
pref label: IMPERSONAL ASTROLABES @en
pref label: UNPERSOENLICHE ASTROLABIEN @de

Inclination
type: Concept
broader: OrbitalElements
pref label: INCLINACION
pref label: INCLINAISON @fr
pref label: INCLINATION @en
pref label: INCLINAZIONE @it
pref label: NEIGUNG / INKLINATION @de
related: BinaryStars
related: Nodes

Indochinites
type: Concept
broader: Tektites
pref label: INDOCHINITAS
pref label: INDOCHINITE @de
pref label: INDOCHINITES @en
pref label: INDOCINITI @it

InertialCoordinateSystem
type: Concept
pref label: INERTIAL COORDINATE SYSTEM @en
pref label: INERTIALSYSTEM @de
pref label: SISTEMA DE COORDINADAS INERCIAL
pref label: SISTEMA DI COORDINATE INERZIALE @it
pref label: SYSTEME DE COORDONNEES INERTIELLES @fr
related: InertialReferenceFrame
related: Relativity

InertialReferenceFrame
type: Concept
pref label: INERTIAL REFERENCE FRAME @en
pref label: INERTIALSYSTEM @de
pref label: MARCO DE REFERENCIA INERCIAL
pref label: SISTEMA DI RIFERIMENTO INERZIALE @it
pref label: SYSTEME DE REFERENCE INERTIEL @fr
related: InertialCoordinateSystem
related: Relativity

InflationaryUniverse
type: Concept
broader: Cosmology
pref label: INFLATIONAERES UNIVERSUM @de
pref label: INFLATIONARY UNIVERSE @en
pref label: UNIVERS INFLATIONNAIRE @fr
pref label: UNIVERSO INFLACIONARIO
pref label: UNIVERSO INFLAZIONARIO @it

Infrared
type: Concept
pref label: INFRARED @en
pref label: INFRAROSSO @it
pref label: INFRAROT @de
pref label: INFRAROUGE @fr
pref label: INFRARROJO
related: InfraredRadiation
scope note: Combine with other terms

InfraredAstronomy
type: Concept
pref label: ASTRONOMIA INFRAROJA
pref label: ASTRONOMIA INFRAROSSA @it
pref label: ASTRONOMIE INFRAROUGE @fr
pref label: INFRARED ASTRONOMY @en
pref label: INFRAROTASTRONOMIE @de
related: InfraredRadiation
related: InfraredTelescopes
related: SatelliteBorneInstruments

InfraredDetectors
type: Concept
broader: Detectors
pref label: DETECTORES PARA EL INFRARROJO
pref label: INFRARED DETECTORS @en
pref label: INFRAROT-DETEKTOREN @de
pref label: RECEPTEUR INFRAROUGE @fr
pref label: RIVELATORI INFRAROSSI @it
related: Photometers

InfraredEmission
type: Concept
pref label: EMISION INFRARROJA
pref label: EMISSION INFRAROUGE @fr
pref label: EMISSIONE INFRAROSSA @it
pref label: INFRARED EMISSION @en
pref label: INFRAROTEMISSION @de
related: ThermalEmission

InfraredGalaxies
type: Concept
alt label: GALASSIE IRAS @it
alt label: GALAXIAS IRAS
alt label: IRAS galaxies @en
alt label: IRAS-GALAXIEN @de
alt label: galaxie IRAS @fr
broader: Galaxies
broader: InfraredSources
pref label: GALASSIE INFRAROSSE @it
pref label: GALAXIAS INFRARROJAS
pref label: GALAXIE INFRAROUGE @fr
pref label: INFRARED GALAXIES @en
pref label: INFRAROTGALAXIEN @de

InfraredObservatories
type: Concept
broader: Observatories
pref label: INFRARED OBSERVATORIES @en
pref label: INFRAROTSTERNWARTEN @de
pref label: OBSERVATOIRE INFRAROUGE @fr
pref label: OBSERVATORIOS INFRARROJO
pref label: OSSERVATORI INFRAROSSI @it
related: AirplaneBorneInstruments
related: InfraredSources
related: RocketBorneInstruments
related: SpaceObservatories
scope note: See OBSERVATORIES for more RTs.

InfraredPhotometry
type: Concept
broader: BroadBandPhotometry
broader: MediumBandPhotometry
broader: Photometry
pref label: FOTOMETRIA INFRAROSSA @it
pref label: FOTOMETRIA INFRARROJO
pref label: INFRARED PHOTOMETRY @en
pref label: INFRAROTPHOTOMETRIE @de
pref label: PHOTOMETRIE INFRAROUGE @fr
related: FarInfraredRadiation
related: HMagnitude
related: IMagnitude
related: JMagnitude
related: KMagnitude
related: LMagnitude
related: MMagnitude
related: NMagnitude
related: NearInfraredRadiation
related: OMagnitude
related: PMagnitude
related: QMagnitude

InfraredRadiation
type: Concept
broader: Radiation
narrower: BrackettSeries
narrower: FarInfraredRadiation
narrower: NearInfraredRadiation
narrower: PfundSeries
narrower: PhillipsBands
pref label: INFRARED RADIATION @en
pref label: INFRAROTSTRAHLUNG @de
pref label: RADIACION INFRARROJA
pref label: RADIAZIONE INFRAROSSA @it
pref label: RAYONNEMENT INFRAROUGE @fr
related: GreenhouseEffect
related: Infrared
related: InfraredAstronomy
related: RemoteSensing
related: TerrestrialRadiation
related: ThermalRadiation

InfraredSources
type: Concept
narrower: CocoonStars
narrower: ExtremeCarbonStars
narrower: FlareStars
narrower: FuOrionisStars
narrower: HerbigHaroObjects
narrower: InfraredGalaxies
narrower: OhIrStars
pref label: FUENTES DE INFRARROJO
pref label: INFRARED SOURCES @en
pref label: INFRAROTQUELLEN @de
pref label: SORGENTI INFRAROSSE @it
pref label: SOURCE INFRAROUGE @fr
related: InfraredObservatories
related: StarFormation

InfraredTelescopes
type: Concept
broader: Telescopes
pref label: INFRARED TELESCOPES @en
pref label: INFRAROTTELESKOPE @de
pref label: TELESCOPE INFRAROUGE @fr
pref label: TELESCOPI INFRAROSSI @it
pref label: TELESCOPIOS INFRARROJO
related: InfraredAstronomy

InfraredWindows
type: Concept
broader: AtmosphericWindows
pref label: FENETRE INFRAROUGE @fr
pref label: FINESTRE INFRAROSSE @it
pref label: INFRARED WINDOWS @en
pref label: INFRAROTFENSTER @de
pref label: VENTANAS INFRARROJAS
related: OpticalWindows
related: RadioWindows
scope note: Low absorption in atmosphere.

Inhomogenities
type: Concept
pref label: INHOMOGENEIDADES
pref label: INHOMOGENEITE @fr
pref label: INHOMOGENITAETEN @de
pref label: INHOMOGENITIES @en
pref label: INOMOGENEITA @it
scope note: Combine with other terms

InitialMassFunction
type: Concept
alt label: FUNCION DE MASA INICIAL/IMF
alt label: imf @it
alt label: imf / Urspruengliche Massenfunktion @de
pref label: FONCTION DE MASSE INITIALE @fr
pref label: FUNCION DE MASA INICIAL
pref label: FUNZIONE DI MASSA INIZIALE @it
pref label: INITIAL MASS FUNCTION @en
pref label: URSPRUENGLICHE MASSENFUNKTION @de
related: Mass
related: MassRatios
related: StarClusters
related: StellarEvolution

InnerCore
type: Concept
pref label: INNER CORE @en
pref label: INNERER KERN @de
pref label: NOCCIOLO INTERNO @it
pref label: NOYAU INTERNE @fr
pref label: NUCLEO INTERNO
related: HeliumBurning
related: HydrogenBurning
related: StellarEvolution
related: StellarInteriors
scope note: Central region of stars.

InnerPlanets
type: Concept
alt label: Erdaehnliche Planeten @de
alt label: pianeti terrestri @it
alt label: planetas terrestres
alt label: planete de type terrestre @fr
alt label: terrestrial planets @en
broader: Planets
pref label: INNER PLANETS @en
pref label: INNERE PLANETEN @de
pref label: PIANETI INTERNI @it
pref label: PLANETAS INTERIORES
pref label: PLANETE INTERIEURE @fr
related: OuterPlanets

Instabilities
type: Concept
narrower: RayleighTaylorInstability
pref label: INESTABILIDADES
pref label: INSTABILITA @it
pref label: INSTABILITAETEN @de
pref label: INSTABILITE @fr
pref label: INSTABILITIES @en
scope note: Combine with other terms

InstabilityStrip
type: Concept
pref label: BANDA DE INESTABILIDAD
pref label: BANDE D'INSTABILITE @fr
pref label: INSTABILITAETSSTREIFEN @de
pref label: INSTABILITY STRIP @en
pref label: STRISCIA DI INSTABILITA @it
related: Cepheids
related: GiantBranch
related: HertzsprungRussellDiagram
related: StellarEvolution

InstrumentalProfiles
type: Concept
broader: LineProfiles
pref label: INSTRUMENTAL PROFILES @en
pref label: INSTRUMENTALPROFILE @de
pref label: PERFILES INSTRUMENTALES
pref label: PROFIL INSTRUMENTAL @fr
pref label: PROFILI STRUMENTALI @it
related: EquivalentWidths
related: LineBroadening
related: LineWidths
related: SpectralLines

Instrumentation
type: Concept
alt label: Astronomische Instrumente @de
alt label: Instrumente @de
alt label: astronomical instruments @en
alt label: instrument @fr
alt label: instrument astronomique @fr
alt label: instrumentos
alt label: instrumentos astronomicos
alt label: instruments @en
alt label: strumenti @it
alt label: strumenti astronomici @it
narrower: Astrolabes
narrower: AstrometricInstruments
narrower: AuxiliaryInstruments
narrower: BlinkComparators
narrower: Bolometers
narrower: Coronagraphs
narrower: Detectors
narrower: GuideSystems
narrower: ImagingInstruments
narrower: Interferometers
narrower: Magnetographs
narrower: Magnetoheliographs
narrower: Quadrants
narrower: Sextants
narrower: Spectrometers
narrower: Stroboscopes
narrower: TelescopeInstrumentation
pref label: INSTRUMENTACION
pref label: INSTRUMENTATION @fr
pref label: INSTRUMENTIERUNG @de
pref label: STRUMENTAZIONE @it
related: Calibration
related: ElectronicEquipment
related: FrequencyStandards
related: ImageTubes
related: Metrology
related: Peripherals
related: PhotomultiplierTubes
related: SupportSystems
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

IntegratedMagnitude
type: Concept
alt label: Gesamthelligkeit @de
alt label: magnitud total
alt label: magnitude totale @fr
alt label: magnitudine totale @it
alt label: total magnitude @en
broader: Magnitudes
pref label: INTEGRATED MAGNITUDE @en
pref label: INTEGRIERTE HELLIGKEIT @de
pref label: MAGNITUD INTEGRADA
pref label: MAGNITUDE INTEGREE @fr
pref label: MAGNITUDINE INTEGRATA @it
related: Galaxies
related: StarClusters

IntegrationTime
type: Concept
pref label: INTEGRATION TIME @en
pref label: INTEGRATIONSZEIT @de
pref label: TEMPO DI INTEGRAZIONE @it
pref label: TEMPS D'INTEGRATION @fr
pref label: TIEMPO DE INTEGRACION
related: Brightness
related: Noise
related: Sensitivity
related: SignalToNoiseRatio

Intensity
type: Concept
alt label: Spezifische Intensitaet @de
alt label: intensidad especifica
alt label: intensita specifica @it
alt label: intensite specifique @fr
alt label: specific intensity @en
narrower: ApparentIntensity
pref label: INTENSIDAD
pref label: INTENSITA @it
pref label: INTENSITAET @de
pref label: INTENSITE @fr
pref label: INTENSITY @en
related: Brightness
related: Illumination
related: Luminosity
related: Magnitudes
scope note: Combine with other terms

IntensityInterferometers
type: Concept
broader: Interferometers
broader: OpticalInterferometers
pref label: INTENSITAETSINTERFEROMETER @de
pref label: INTENSITY INTERFEROMETERS @en
pref label: INTERFEROMETRE D'INTENSITE @fr
pref label: INTERFEROMETRI A INTENSITA @it
pref label: INTERFEROMETROS DE INTENSIDAD
related: MichelsonInterferometers

InteractingBinaryStars
type: Concept
broader: BinaryStars
narrower: XRayBinaryStars
pref label: BINAIRE EN INTERACTION @fr
pref label: ESTRELLAS BINARIAS INTERACTUANTES
pref label: INTERACTING BINARY STARS @en
pref label: STELLE BINARIE INTERAGENTI @it
pref label: WECHSELWIRKENDE DOPPELSTERNE @de
related: CataclysmicVariableStars
related: EclipsingBinaryStars
related: EruptiveBinaryStars
related: RocheLobe
related: TidalFriction
related: TidalInteraction
related: XRayBrightPoints

InteractingGalaxies
type: Concept
broader: Galaxies
broader: PeculiarGalaxies
pref label: GALASSIE INTERAGENTI @it
pref label: GALAXIAS INTERACTUANTES
pref label: GALAXIES EN INTERACTION @fr
pref label: INTERACTING GALAXIES @en
pref label: WECHSELWIRKENDE GALAXIEN @de
related: GalaxyEncounters
related: GalaxyMergers
related: Tails
related: TidalDistortion
related: TidalFriction
related: TidalInteraction

Interactions
type: Concept
narrower: ElectromagneticInteractions
narrower: GravitationalInteractions
narrower: StrongInteractions
narrower: WeakInteractions
pref label: INTERACCIONES
pref label: INTERACTION @fr
pref label: INTERACTIONS @en
pref label: INTERAZIONI @it
pref label: WECHSELWIRKUNGEN @de
related: NuclearPhysics

IntercloudGas
type: Concept
broader: IntercloudMatter
pref label: GAS INTERNUBE
pref label: GAS INTERNUBI @it
pref label: GAZ DANS LES NUAGES @fr
pref label: INTERCLOUD GAS @en
pref label: ZWISCHENWOLKENGAS @de

IntercloudMatter
type: Concept
broader: InterstellarMatter
narrower: IntercloudGas
pref label: INTERCLOUD MATTER @en
pref label: MATERIA INTERNUBE
pref label: MATERIA INTERNUBI @it
pref label: MATIERE DANS LES NUAGES @fr
pref label: ZWISCHENWOLKENMATERIE @de

InterferenceFilters
type: Concept
broader: Filters
broader: OpticalComponents
broader: OpticalFilters
pref label: FILTRE INTERFERENTIEL @fr
pref label: FILTRI INTERFERENZIALI @it
pref label: FILTROS DE INTERFERENCIA
pref label: INTERFERENCE FILTERS @en
pref label: INTERFERENZFILTER @de
related: InterferenceWaves
related: OpticalFilms
related: Photometry
related: UltravioletFilters

InterferenceFringes
type: Concept
alt label: Streifen [Interferenz] @de
alt label: Streifenmuster @de
alt label: diagrama de franjas
alt label: diagrammi di frange @it
alt label: frange @it
alt label: franjas
alt label: fringe patterns @en
alt label: fringes @en
alt label: structure des franges @fr
pref label: FRANGE D'INTERFERENCE @fr
pref label: FRANGE DI INTERFERENZA @it
pref label: FRANJAS DE INTERFERENCIA
pref label: INTERFERENCE FRINGES @en
pref label: INTERFERENZSTREIFEN @de
related: InterferenceWaves
related: Interferometers
related: Interferometry
related: OpticalInterferometry
related: VisibilityFunction

InterferenceSpectrosocopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA INTERFERENCIAL
pref label: INTERFERENCE SPECTROSOCOPY @en
pref label: INTERFERENZSPEKTROSKOPIE @de
pref label: SPECTROSCOPIE INTERFERENTIELLE @fr
pref label: SPETTROSCOPIA INTERFERENZIALE @it
related: InterferenceWaves

InterferenceWaves
type: Concept
narrower: LightInterference
pref label: INTERFERENCE [ONDES] @fr
pref label: INTERFERENCE [WAVES] @en
pref label: INTERFERENCIA [ONDAS]
pref label: INTERFERENZ @de
pref label: INTERFERENZA [ONDE] @it
related: Diffraction
related: InterferenceFilters
related: InterferenceFringes
related: InterferenceSpectrosocopy
related: Interferometry
related: OpticalInterferometry
related: RadioInterferometry
related: ShadowBands
related: WaveMotion

Interferometers
type: Concept
broader: Instrumentation
narrower: FabryPerotInterferometers
narrower: IntensityInterferometers
narrower: LongBaselineInterferometers
narrower: OpticalInterferometers
narrower: PhaseSwitchingInterferometers
narrower: RadioInterferometers
narrower: VeryLongBaselineInterferometers
pref label: INTERFEROMETER @de
pref label: INTERFEROMETERS @en
pref label: INTERFEROMETRE @fr
pref label: INTERFEROMETRI @it
pref label: INTERFEROMETROS
related: Antennas
related: Arrays
related: Heterodyne
related: InterferenceFringes
related: RadioTelescopes
related: TelescopeArrays
related: VeryLargeArrays
scope note: See also under INTERFEROMETRY

Interferometry
type: Concept
broader: AstronomicalTechniques
broader: ObservingTechniques
narrower: LongBaselineInterferometry
narrower: OpticalInterferometry
narrower: RadioInterferometry
narrower: SpeckleInterferometry
narrower: VeryLongBaselineInterferometry
pref label: INTERFEROMETRIA
pref label: INTERFEROMETRIE @de
pref label: INTERFEROMETRY @en
related: AngularDiameters
related: ApertureSynthesis
related: Correlation
related: InterferenceFringes
related: InterferenceWaves
related: RadioAstrometry
related: Resolution
related: VisibilityFunction
scope note: See also under INTERFEROMETERS

IntergalacticAbsorption
type: Concept
broader: Absorption
pref label: ABSORCION INTERGALACTICA
pref label: ABSORPTION INTERGALACTIQUE @fr
pref label: ASSORBIMENTO INTERGALATTICO @it
pref label: INTERGALACTIC ABSORPTION @en
pref label: INTERGALAKTISCHE ABSORPTION @de
related: AbsorptionCoefficient
related: IntergalacticMatter
related: IntergalacticSpace
related: InterstellarAbsorption
related: LymanAlphaForest
related: Reddening

IntergalacticClouds
type: Concept
broader: IntergalacticMatter
pref label: INTERGALACTIC CLOUDS @en
pref label: INTERGALAKTISCHE WOLKEN @de
pref label: NUAGE INTERGALACTIQUE @fr
pref label: NUBES INTERGALACTICAS
pref label: NUBI INTERGALATTICHE @it
related: IntergalacticGas

IntergalacticGas
type: Concept
broader: IntergalacticMatter
pref label: GAS INTERGALACTICO
pref label: GAS INTERGALATTICO @it
pref label: GAZ INTERGALACTIQUE @fr
pref label: INTERGALACTIC GAS @en
pref label: INTERGALAKTISCHES GAS @de
related: IntergalacticClouds

IntergalacticMatter
type: Concept
narrower: DarkMatter
narrower: Dust
narrower: IntergalacticClouds
narrower: IntergalacticGas
pref label: INTERGALACTIC MATTER @en
pref label: INTERGALAKTISCHE MATERIE @de
pref label: MATERIA INTERGALACTICA
pref label: MATERIA INTERGALATTICA @it
pref label: MATIERE INTERGALACTIQUE @fr
related: ClustersOfGalaxies
related: CosmicStrings
related: IntergalacticAbsorption
related: IntergalacticSpace
related: InterplanetaryMatter
related: InterstellarMatter
related: IntraclusterMatter

IntergalacticSpace
type: Concept
pref label: ESPACE INTERGALACTIQUE @fr
pref label: ESPACIO INTERGALACTICO
pref label: INTERGALACTIC SPACE @en
pref label: INTERGALAKTISCHER RAUM @de
pref label: SPAZIO INTERGALATTICO @it
related: GalaxyVoids
related: IntergalacticAbsorption
related: IntergalacticMatter

Interiors
type: Concept
pref label: INNERES @de
pref label: INTERIEUR @fr
pref label: INTERIORES
pref label: INTERIORS @en
pref label: INTERNI @it
related: Planets
scope note: Combine with other terms

IntermediatePopulationStars
type: Concept
pref label: ESTRELLAS DE POBLACION INTERMEDIA
pref label: ETOILE DE POPULATION INTERMEDIAIRE @fr
pref label: INTERMEDIATE POPULATION STARS @en
pref label: MITTLERE STERNPOPULATION @de
pref label: STELLE DI POPOLAZIONE INTERMEDIA @it
related: PopulationIiStars
related: StellarPopulations

IntermediateTypeStars
type: Concept
narrower: FStars
narrower: GStars
pref label: ESTRELLAS DE TIPO INTERMEDIO
pref label: ETOILE INTERMEDIAIRE @fr
pref label: INTERMEDIATE TYPE STARS @en
pref label: STELLE DI TIPO INTERMEDIO @it
pref label: STERNE MITTLEREN TYPS @de

InternalMotions
type: Concept
broader: Motion
pref label: INNERE BEWEGUNGEN @de
pref label: INTERNAL MOTIONS @en
pref label: MOTI INTERNI @it
pref label: MOUVEMENT INTERNE @fr
pref label: MOVIMIENTOS INTERNOS
scope note: Combine with other terms

InterplanetaryDust
type: Concept
broader: Dust
broader: InterplanetaryMatter
narrower: Meteoroids
pref label: INTERPLANETARER STAUB @de
pref label: INTERPLANETARY DUST @en
pref label: POLVERE INTERPLANETARIA @it
pref label: POLVO INTERPLANETARIO
pref label: POUSSIERE INTERPLANETAIRE @fr
related: Grains
related: InterplanetaryGas

InterplanetaryGas
type: Concept
broader: InterplanetaryMatter
pref label: GAS INTERPLANETARIO
pref label: GAZ INTERPLANETAIRE @fr
pref label: INTERPLANETARES GAS @de
pref label: INTERPLANETARY GAS @en
related: InterplanetaryDust
related: InterplanetaryGrains
related: SolarWind

InterplanetaryGrains
type: Concept
broader: Grains
broader: InterplanetaryMatter
narrower: Meteoroids
pref label: GRAIN INTERPLANETAIRE @fr
pref label: GRANI INTERPLANETARI @it
pref label: GRANOS INTERPLANETARIOS
pref label: INTERPLANETARE KOERNER @de
pref label: INTERPLANETARY GRAINS @en
related: Adsorption
related: Graphite
related: InterplanetaryGas

InterplanetaryMagneticFields
type: Concept
broader: MagneticFields
pref label: CAMPI MAGNETICI INTERPLANETARI @it
pref label: CAMPOS MAGNETICOS INTERPLANETARIOS
pref label: CHAMP MAGNETIQUE INTERPLANETAIRE @fr
pref label: INTERPLANETARE MAGNETFELDER @de
pref label: INTERPLANETARY MAGNETIC FIELDS @en

InterplanetaryMatter
type: Concept
alt label: Interplanetares Medium @de
alt label: interplanetary medium @en
alt label: medio interplanetario
alt label: mezzo interplanetario @it
alt label: milieu interplanetaire @fr
narrower: InterplanetaryDust
narrower: InterplanetaryGas
narrower: InterplanetaryGrains
narrower: Meteoroids
narrower: SolarWind
pref label: INTERPLANETARE MATERIE @de
pref label: INTERPLANETARY MATTER @en
pref label: MATERIA INTERPLANETARIA
pref label: MATIERE INTERPLANETAIRE @fr
related: CircumstellarMatter
related: Comets
related: Gegenschein
related: Heliosphere
related: IntergalacticMatter
related: InterplanetaryScintillation
related: InterstellarMatter
related: Meteorites
related: Micrometeorites
related: MinorPlanets
related: ZodiacalDust
related: ZodiacalLight

InterplanetaryScintillation
type: Concept
broader: Scintillation
pref label: CENTELLEO INTERPLANETARIO
pref label: INTERPLANETARE SZINTILLATION @de
pref label: INTERPLANETARY SCINTILLATION @en
pref label: SCINTILLATION INTERPLANETAIRE @fr
pref label: SCINTILLAZIONE INTERPLANETARIA @it
related: InterplanetaryMatter
related: InterstellarScintillation
related: IonosphericScintillation
related: RadioSources

InterstellarAbsorption
type: Concept
alt label: estinzione interstellare @it
alt label: extincion interestelar
alt label: extinction interstellaire @fr
alt label: interstellar extinction @en
alt label: interstellare Extinktion @de
broader: Absorption
narrower: OhAbsorption
pref label: ABSORCION INTERESTELAR
pref label: ABSORPTION INTERSTELLAIRE @fr
pref label: ASSORBIMENTO INTERSTELLARE @it
pref label: INTERSTELLAR ABSORPTION @en
pref label: INTERSTELLARE ABSORPTION @de
related: AbsorptionCoefficient
related: GalacticWindows
related: IntergalacticAbsorption
related: InterstellarDust
related: InterstellarGas
related: InterstellarReddening
related: LightAbsorption
related: RayleighScattering
related: ReddenedStars
related: Reddening
related: Windows
related: WolfDiagram

InterstellarBubbles
type: Concept
alt label: Blasen @de
alt label: bolle @it
alt label: bubbles @en
alt label: bulle @fr
alt label: burbujas
pref label: BOLLE INTERSTELLARI @it
pref label: BULLE INTERSTELLAIRE @fr
pref label: BURBUJAS INTERESTELARES
pref label: INTERSTELLAR BUBBLES @en
pref label: INTERSTELLARE BLASEN @de
scope note: Combine with other terms

InterstellarCommunication
type: Concept
pref label: COMMUNICATION INTERSTELLAIRE @fr
pref label: COMUNICACION INTERESTELAR
pref label: COMUNICAZIONE INTERSTELLARE @it
pref label: INTERSTELLAR COMMUNICATION @en
pref label: INTERSTELLARE KOMMUNIKATION @de
related: ExtraterrestrialLife
related: SpaceExploration

InterstellarDust
type: Concept
broader: Dust
broader: InterstellarMatter
pref label: INTERSTELLAR DUST @en
pref label: INTERSTELLARER STAUB @de
pref label: POLVERE INTERSTELLARE @it
pref label: POLVO INTERESTELAR
pref label: POUSSIERE INTERSTELLAIRE @fr
related: Adsorption
related: DustClouds
related: Grains
related: Graphite
related: InterstellarAbsorption
related: InterstellarGas
related: Reddening

InterstellarGas
type: Concept
broader: InterstellarMatter
pref label: GAS INTERESTELAR
pref label: GAS INTERSTELLARE @it
pref label: GAZ INTERSTELLAIRE @fr
pref label: INTERSTELLAR GAS @en
pref label: INTERSTELLARES GAS @de
related: Absorption
related: Heliosphere
related: InterstellarAbsorption
related: InterstellarDust
related: InterstellarWinds
related: Reddening

InterstellarMagneticFields
type: Concept
broader: MagneticFields
pref label: CAMPI MAGNETICI INTERSTELLARI @it
pref label: CAMPOS MAGNETICOS INTERESTELARES
pref label: CHAMP MAGNETIQUE INTERSTELLAIRE @fr
pref label: INTERSTELLAR MAGNETIC FIELDS @en
pref label: INTERSTELLARE MAGNETFELDER @de
related: SpiralArms

InterstellarMatter
type: Concept
alt label: interstellar medium @en
alt label: interstellares Medium @de
alt label: medio interestelar
alt label: mezzo interstellare @it
alt label: milieu interstellaire @fr
narrower: BokGlobules
narrower: CIiRegions
narrower: DarkClouds
narrower: DarkMatter
narrower: DarkNebulae
narrower: DenseClouds
narrower: DenseMatter
narrower: Dust
narrower: DustClouds
narrower: DustGrains
narrower: DustNebulae
narrower: FilamentsNebulae
narrower: Globules
narrower: Grains
narrower: HIRegions
narrower: HIiRegions
narrower: IntercloudMatter
narrower: InterstellarDust
narrower: InterstellarGas
narrower: InterstellarMolecules
narrower: MolecularClouds
narrower: Nebulae
narrower: OhClouds
narrower: ReflectionNebulae
pref label: INTERSTELLAR MATTER @en
pref label: INTERSTELLARE MATERIE @de
pref label: MATERIA INTERESTELAR
pref label: MATERIA INTERSTELLARE @it
pref label: MATIERE INTERSTELLAIRE @fr
related: CircumstellarMatter
related: ContentOfGalaxies
related: CosmicStrings
related: IntergalacticMatter
related: InterplanetaryMatter
related: InterstellarReddening
related: InterstellarScintillation
related: Masers
related: RadioAbsorption
related: RadioWindows
related: SelectiveAbsorption
related: SiOMasers
related: SpiralArms
related: StromgrenSphere
related: Tori

InterstellarMolecules
type: Concept
broader: InterstellarMatter
broader: Molecules
narrower: Ammonia
narrower: CarbonCompounds
narrower: Ch
narrower: HydroxylRadical
narrower: MolecularHydrogen
narrower: Water
pref label: INTERSTELLAR MOLECULES @en
pref label: INTERSTELLARE MOLEKUELE @de
pref label: MOLECOLE INTERSTELLARI @it
pref label: MOLECULAS INTERESTELARES
pref label: MOLECULE INTERSTELLAIRE @fr
related: Cosmochemistry
related: GiantMolecularClouds
related: MolecularClouds
related: OrganicMolecules
scope note: Not a complete list of NTs

InterstellarReddening
type: Concept
broader: Reddening
pref label: ARROSSAMENTO INTERSTELLARE @it
pref label: ENROJECIMIENTO INTERESTELAR
pref label: INTERSTELLAR REDDENING @en
pref label: INTERSTELLARE ROETUNG @de
pref label: ROUGISSEMENT INTERSTELLAIRE @fr
related: ColorExcesses
related: GasToDustRatio
related: InterstellarAbsorption
related: InterstellarMatter
related: LightAbsorption
related: LightScattering
related: ReddenedStars
related: ReddeningLaw
related: SelectiveAbsorption

InterstellarScintillation
type: Concept
broader: Scintillation
pref label: CENTELLEO INTERESTELAR
pref label: INTERSTELLAR SCINTILLATION @en
pref label: INTERSTELLARE SZINTILLATION @de
pref label: SCINTILLATION INTERSTELLAIRE @fr
pref label: SCINTILLAZIONE INTERSTELLARE @it
related: InterplanetaryScintillation
related: InterstellarMatter
related: IonosphericScintillation
related: RadioSources

InterstellarWinds
type: Concept
pref label: INTERSTELLAR WINDS @en
pref label: INTERSTELLARE WINDE @de
pref label: VENT INTERSTELLAIRE @fr
pref label: VENTI INTERSTELLARI @it
pref label: VIENTOS INTERESTELARES
related: InterstellarGas
related: SolarWind
related: StellarWinds

IntraclusterMatter
type: Concept
pref label: INTRACLUSTER MATTER @en
pref label: MATERIA INTRACUMULO
pref label: MATERIA TRA AMMASSI @it
pref label: MATERIE IN GALAXIENHAUFEN @de
pref label: MATIERE INTRAAMAS @fr
related: ClustersOfGalaxies
related: IntergalacticMatter
related: SunyaevZeldovichEffect

IntrinsicColors
type: Concept
pref label: COLORES INTRINSECOS
pref label: COLORI INTRINSECI @it
pref label: COULEUR INTRINSEQUE @fr
pref label: EIGENFARBEN @de
pref label: INTRINSIC COLORS @en
related: ColorIndices
related: Photometry
related: Reddening

IntrinsicVariableStars
type: Concept
alt label: estrellas inestables
alt label: etoile instable @fr
alt label: instabile Sterne @de
alt label: stelle instabili @it
alt label: unstable stars @en
broader: VariableStars
narrower: HerbigHaroObjects
narrower: MagneticVariableStars
narrower: PulsatingVariableStars
narrower: SpectrumVariableStars
pref label: ESTRELLAS VARIABLES INTRINSECAS
pref label: ETOILE INTRINSEQUEMENT VARIABLE @fr
pref label: INTRINSIC VARIABLE STARS @en
pref label: INTRINSISCH VERAENDERLICHE STERNE @de
pref label: STELLE VARIABILI INTRINSECHE @it

InverseComptonEffect
type: Concept
pref label: EFECTO COMPTON INVERSO
pref label: EFFET COMPTON INVERSE @fr
pref label: EFFETTO COMPTON INVERSO @it
pref label: INVERSE COMPTON EFFECT @en
pref label: INVERSER COMPTON-EFFEKT @de
related: CosmicRays
related: Electrons
related: HighEnergyAstrophysics
related: Photons

InverseComptonScattering
type: Concept
pref label: DIFFUSION COMPTON INVERSE @fr
pref label: DIFFUSIONE COMPTON INVERSA @it
pref label: DISPERSION COMPTON INVERSA
pref label: INVERSE COMPTON SCATTERING @en
pref label: INVERSE COMPTON-STREUUNG @de
related: ComptonScattering
related: Electrons
related: Photons

InverseMasers
type: Concept
pref label: INVERSE MASER @de
pref label: INVERSE MASERS @en
pref label: MASER INVERSE @fr
pref label: MASER INVERSI @it
pref label: MASERES INVERSOS
related: Masers

IonComposition
type: Concept
pref label: COMPOSICION IONICA
pref label: COMPOSITION IONIQUE @fr
pref label: COMPOSIZIONE IONICA @it
pref label: ION COMPOSITION @en
pref label: IONENZUSAMMENSETZUNG @de
related: Ions

IonDensity
type: Concept
pref label: DENSIDAD DE IONES
pref label: DENSITA IONICA @it
pref label: DENSITE IONIQUE @fr
pref label: ION DENSITY @en
pref label: IONENDICHTE @de
related: Ionization
related: Ions

Ionization
type: Concept
narrower: Photoionization
pref label: IONISATION @de
pref label: IONIZACION
pref label: IONIZATION @en
pref label: IONIZZAZIONE @it
related: Coronas
related: IonDensity
related: IonizationEquilibrium
related: SchwarzschildMetric
related: Shocks
related: StromgrenSphere

IonizationEquilibrium
type: Concept
pref label: EQUILIBRE D'IONISATION @fr
pref label: EQUILIBRIO DE IONIZACION
pref label: EQUILIBRIO DI IONIZZAZIONE @it
pref label: IONISATIONSGLEICHGEWICHT @de
pref label: IONIZATION EQUILIBRIUM @en
related: Ionization

IonizedGases
type: Concept
broader: Gases
pref label: GAS IONIZZATI @it
pref label: GASES IONIZADOS
pref label: GAZ IONISE @fr
pref label: IONISIERTE GASE @de
pref label: IONIZED GASES @en
related: CollisionalExcitation
related: Ions
related: Plasmas
related: StromgrenSphere

IonizingShockWaves
type: Concept
broader: ShockWaves
pref label: IONISIERUNGSSTOSSWELLEN @de
pref label: IONIZING SHOCK WAVES @en
pref label: ONDAS DE CHOQUE IONIZANTES
pref label: ONDE D'URTO IONIZZANTI @it
pref label: ONDE DE CHOC IONISANTE @fr

Ionosphere
type: Concept
pref label: IONOSFERA
pref label: IONOSPHAERE @de
pref label: IONOSPHERE @fr
related: DLayer
related: ELayer
related: EarthAtmosphere
related: Exosphere
related: FLayer
related: IonosphericScintillation
related: Mesopause
related: RadioAbsorption
related: Thermosphere
related: UpperAtmosphere

IonosphericScintillation
type: Concept
broader: Scintillation
pref label: CENTELLEO IONOSFERICO
pref label: IONOSPHAERISCHE SZINTILLATION @de
pref label: IONOSPHERIC SCINTILLATION @en
pref label: SCINTILLATION IONOSPHERIQUE @fr
pref label: SCINTILLAZIONE IONOSFERICA @it
related: InterplanetaryScintillation
related: InterstellarScintillation
related: Ionosphere
related: RadioSources

IonPlasmaWaves
type: Concept
pref label: ION PLASMA WAVES @en
pref label: ION-PLASMA WELLEN @de
pref label: ONDAS DE PLASMA IONICO
pref label: ONDE DANS LES PLASMAS IONIQUES @fr
pref label: ONDE DI PLASMI IONICI @it
related: Ions
related: PlasmaWaves

Ions
type: Concept
alt label: Geladene Teilchen @de
alt label: charged particles @en
alt label: particelle cariche @it
alt label: particulas cargadas
alt label: particule chargee @fr
broader: CompositeParticles
broader: Particles
narrower: HydroxylRadical
pref label: ION @fr
pref label: IONEN @de
pref label: IONES
pref label: IONI @it
pref label: IONS @en
related: CollisionalExcitation
related: CollisionalPlasmas
related: IonComposition
related: IonDensity
related: IonPlasmaWaves
related: IonizedGases
related: PaulTrap
related: PlasmaClouds
related: PlasmaJets
related: Plasmas
related: PolarizationChargeSeparation
related: Radicals
related: SahaEquation
related: ThermionicEmission

IonTemperature
type: Concept
broader: Temperature
pref label: ION TEMPERATURE @en
pref label: IONENTEMPERATUR @de
pref label: TEMPERATURA IONICA
pref label: TEMPERATURE IONIQUE @fr

IronMeteorites
type: Concept
broader: Meteorites
pref label: EISENMETEORITE @de
pref label: IRON METEORITES @en
pref label: METEORITE FERREUX @fr
pref label: METEORITOS DE HIERRO
pref label: SIDERITI; UF METEORITI FERREE @it

Irradiance
type: Concept
pref label: DENSITA DI FLUSSO RADIANTE @it
pref label: IRRADIACION
pref label: IRRADIANCE @en
pref label: IRRADIATION @fr
pref label: STRAHLUNGSDICHTE @de
related: Radiation

IrregularGalaxies
type: Concept
broader: Galaxies
narrower: MagellanicClouds
pref label: GALASSIE IRREGOLARI @it
pref label: GALAXIAS IRREGULARES
pref label: GALAXIE IRREGULIERE @fr
pref label: IRREGULAR GALAXIES @en
pref label: UNREGELMAESSIGE GALAXIEN @de

IrregularVariableStars
type: Concept
broader: LateTypeGiantStars
broader: PulsatingVariableStars
broader: VariableStars
narrower: DwarfCepheids
narrower: GammaCassiopeiaeStars
narrower: MiraVariableStars
narrower: RCoronaeBorealisStars
narrower: RvTauriStars
narrower: RwAurigaeStars
narrower: TTauriStars
pref label: ESTRELLAS VARIABLES IRREGULARES
pref label: ETOILE VARIABLE IRREGULIERE @fr
pref label: IRREGULAR VARIABLE STARS @en
pref label: STELLE VARIABILI IRREGOLARI @it
pref label: UNREGELMAESSIGE VERAENDERLICHE @de
related: LateTypeSupergiantStars
related: SemiregularVariableStars
related: SupergiantStars
related: TAssociations

Isophotes
type: Concept
pref label: ISOFOTAS
pref label: ISOFOTE @it
pref label: ISOPHOTE @fr
pref label: ISOPHOTEN @de
pref label: ISOPHOTES @en
related: ContourMaps
related: LuminosityDistribution
related: SurfacePhotometry

Isotopes
type: Concept
broader: ChemicalElements
pref label: ISOTOPE @de
pref label: ISOTOPES @en
pref label: ISOTOPI @it
pref label: ISOTOPOS

IsotopicAbundance
type: Concept
broader: Abundance
pref label: ABBONDANZA ISOTOPICA @it
pref label: ABONDANCE ISOTOPIQUE @fr
pref label: ABUNDANCIA ISOTOPICA
pref label: ISOTOPENHAEUFIGKEIT @de
pref label: ISOTOPIC ABUNDANCE @en
related: IsotopicComposition

IsotopicComposition
type: Concept
pref label: COMPOSICION ISOTOPICA
pref label: COMPOSITION ISOTOPIQUE @fr
pref label: COMPOSIZIONE ISOTOPICA @it
pref label: ISOTOPENGEHALT @de
pref label: ISOTOPIC COMPOSITION @en
related: IsotopicAbundance

Isotropy
type: Concept
pref label: ISOTROPIA
pref label: ISOTROPIE @de
pref label: ISOTROPY @en
related: Anisotropy
related: OpticalProperties

Jansky
type: Concept
pref label: JANSKY
related: RadioRadiation
scope note: Radio flux density unit

JeansLength
type: Concept
pref label: JEANS LENGTH @en
pref label: JEANS-LAENGE @de
pref label: LONGITUD DE JEANS
pref label: LONGUEUR DE JEANS @fr
pref label: LUNGHEZZA DI JEANS @it
related: Gravity
related: JeansMass
related: StarFormation

JeansMass
type: Concept
pref label: JEANS MASS @en
pref label: JEANS-MASSE @de
pref label: MASA DE JEANS
pref label: MASSA DI JEANS @it
pref label: MASSE DE JEANS @fr
related: JeansLength

Jets
type: Concept
alt label: Astrophysikalische Jets @de
alt label: astrophysical jets @en
alt label: chorros astrofisicos
alt label: getti astrofisici @it
alt label: jet astrophysique @fr
narrower: PlasmaJets
narrower: RadioJets
pref label: CHORROS / SURTIDORES
pref label: GETTI @it
pref label: JET @fr
pref label: JETS @de
related: Comets
related: Hydrodynamics
related: RadioSources

JMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: J MAGNITUDE @en
pref label: J-HELLIGKEIT @de
pref label: MAGNITUDE J @fr
pref label: MAGNITUDINE J @it
pref label: magnitud J
related: InfraredPhotometry
related: NearInfraredRadiation

JohnsonNoise
type: Concept
pref label: BRUIT DE JOHNSON @fr
pref label: JOHNSON NOISE @en
pref label: JOHNSON-RAUSCHEN @de
pref label: RUIDO JOHNSON
pref label: RUMORE JOHNSON @it
related: ThermalRadiation

JohnsonPhotometry
type: Concept
alt label: Dreifarbenphotometrie @de
alt label: Johnson-Morgan-System @de
alt label: UBV photometry @en
alt label: UBV-Photometrie @de
alt label: UBVRI photometry @en
alt label: UBVRI-Photometrie @de
alt label: fotometria UBV
alt label: fotometria UBVRI
alt label: fotometria a tre colori @it
alt label: fotometria de tres colores
alt label: johnson morgan system @en
alt label: photometrie UBV @fr
alt label: photometrie UBVRI @fr
alt label: photometrie a trois couleurs @fr
alt label: sistema di johnson morgan @it
alt label: sistema johnson morgan
alt label: systeme de Johnson Morgan @fr
alt label: three color photometry @en
broader: BroadBandPhotometry
broader: PhotometricSystems
pref label: FOTOMETRIA DE JOHNSON
pref label: FOTOMETRIA DI JOHNSON @it
pref label: JOHNSON PHOTOMETRY @en
pref label: JOHNSON-PHOTOMETRIE @de
pref label: PHOTOMETRIE DE JOHNSON @fr
related: BMagnitude
related: BvPhotometry
related: CapePhotometry
related: CapeRiPhotometry
related: ERegions
related: FRegions
related: IMagnitude
related: RMagnitude
related: TwoColorPhotometry
related: UMagnitude
related: UbvrijklPhotometry
related: VMagnitude

JulianCalendar
type: Concept
broader: Calendars
pref label: CALENDARIO GIULIANO @it
pref label: CALENDARIO JULIANO
pref label: CALENDRIER JULIEN @fr
pref label: JULIAN CALENDAR @en
pref label: JULIANISCHER KALENDER @de
related: GregorianCalendar
related: JulianDate
related: JulianEpoch

JulianDate
type: Concept
narrower: HeliocentricJulianDate
pref label: DATA GIULIANA @it
pref label: DATE JULIENNE @fr
pref label: FECHA JULIANA
pref label: JULIAN DATE @en
pref label: JULIANISCHES DATUM @de
related: Epoch
related: JulianCalendar
related: Time

JulianEpoch
type: Concept
broader: Epoch
broader: StandardEpoch
pref label: EPOCA GIULIANA @it
pref label: EPOCA JULIANA
pref label: EPOQUE JULIENNE @fr
pref label: JULIAN EPOCH @en
pref label: JULIANISCHE EPOCHE @de
related: BesselianEpoch
related: JulianCalendar
related: Time

JumpConditions
type: Concept
pref label: CONDICIONES DE SALTO
pref label: CONDITIONS DE SAUT @fr
pref label: CONDIZIONI DI SALTO @it
pref label: JUMP CONDITIONS @en
pref label: UNSTETIGKEITSBEDINGUNGEN @de
related: ShockWaves

KappaMechanism
type: Concept
pref label: KAPPA MECHANISM @en
pref label: KAPPA-MECHANISMUS @de
pref label: MECANISME KAPPA @fr
pref label: MECANISMO KAPPA
pref label: MECCANISMO KAPPA @it
related: Cepheids
related: DeltaScutiStars
related: HeIonizationZone
related: PulsatingVariableStars
related: ZzCetiStars

KapteynSelectedAreas
type: Concept
narrower: ERegions
narrower: FRegions
pref label: AREAS SELECTAS DE KAPTEYN
pref label: AREE SELEZIONATE DI KAPTEYN @it
pref label: CHAMP SELECTIONNE DE KAPTEYN @fr
pref label: KAPTEYN SELECTED AREAS @en
pref label: KAPTEYNSCHES EICHFELD @de
related: CapePhotometry
related: StromgrenPhotometry

KCorona
type: Concept
broader: Coronas
pref label: CORONA K
pref label: COURONNE K @fr
pref label: K CORONA @en
pref label: K-KORONA @de
related: SolarCorona

KCorrection
type: Concept
alt label: k term @en
alt label: k-Glied @de
alt label: terme k @fr
alt label: termine k @it
alt label: termino k
pref label: CORRECCION K
pref label: CORRECTION K @fr
pref label: CORREZIONE K @it
pref label: K CORRECTION @en
pref label: K-KORREKTUR @de
related: Redshift

KDwarfStars
type: Concept
broader: DwarfStars
broader: KStars
broader: LateTypeDwarfStars
pref label: ESTRELLAS ENANAS K
pref label: ETOILE NAINE K @fr
pref label: K DWARF STARS @en
pref label: K-ZWERGSTERNE @de
pref label: STELLE NANE K @it
related: KSubdwarfStars

KellnerEyepiece
type: Concept
broader: Eyepieces
pref label: KELLNER EYEPIECE @en
pref label: KELLNER-OKULAR @de
pref label: OCULAIRE DE KELLNER @fr
pref label: OCULAR DE KELLNER
pref label: OCULARE DI KELLNER @it

Kelvin
type: Concept
pref label: KELVIN
related: AbsoluteTemperatureScale
related: CelsiusTemperatureScale
related: TemperatureScales
scope note: Absolute temperature scale units.

KelvinTimescale
type: Concept
pref label: ECHELLE DE TEMPS DE KELVIN @fr
pref label: ESCALA DE TIEMPO DE KELVIN
pref label: KELVIN TIMESCALE @en
pref label: KELVIN-ZEITSKALA @de
pref label: TEMPOSCALA DI KELVIN @it
related: HelmholtzKelvinContraction

KeplerianOrbits
type: Concept
broader: Orbits
pref label: KEPLERBAHNEN @de
pref label: KEPLERIAN ORBITS @en
pref label: ORBITAS KEPLERIANAS
pref label: ORBITE KEPLERIANE @it
pref label: ORBITE KEPLERIENNE @fr
related: CelestialMechanics

KerrBlackHole
type: Concept
broader: BlackHoles
pref label: AGUJERO NEGRO DE KERR
pref label: BUCO NERO DI KERR @it
pref label: KERR BLACK HOLE @en
pref label: KERRSCHES SCHWARZES LOCH @de
pref label: TROU NOIR DE KERR @fr
related: StellarEvolution

KGiantStars
type: Concept
broader: KStars
broader: LateTypeGiantStars
pref label: ESTRELLAS GIGANTES K
pref label: ETOILE GEANTE K @fr
pref label: K GIANT STARS @en
pref label: K-RIESENSTERNE @de
pref label: STELLE GIGANTI K @it
related: KSubgiantStars

KinematicParallax
type: Concept
broader: Parallaxes
pref label: KINEMATIC PARALLAX @en
pref label: KINEMATISCHE PARALLAXE @de
pref label: PARALAJE CINEMATICO
pref label: PARALLASSE CINEMATICA @it
pref label: PARALLAXE CINEMATIQUE @fr
related: DynamicalParallax
related: MovingClusterParallax

Kinematics
type: Concept
narrower: Acceleration
pref label: CINEMATICA
pref label: CINEMATIQUE @fr
pref label: KINEMATICS @en
pref label: KINEMATIK @de
related: AngularMomentum
related: GalacticRotation
related: GalacticStructure
related: ProperMotions
related: RadialVelocity
related: Velocity

KineticEnergy
type: Concept
broader: Energy
pref label: ENERGIA CINETICA
pref label: ENERGIE CINETIQUE @fr
pref label: KINETIC ENERGY @en
pref label: KINETISCHE ENERGIE @de
related: PotentialEnergy

KirkwoodGaps
type: Concept
broader: ResonanceGaps
pref label: KIRKWOOD GAPS @en
pref label: KIRKWOOD-LUECKEN @de
pref label: LACUNE DE KIRKWOOD @fr
pref label: LACUNE DI KIRKWOOD @it
pref label: LAGUNAS DE KIRKWOOD
related: MinorPlanets

KLine
type: Concept
broader: CalciumLines
broader: FraunhoferLines
broader: HAndKLines
pref label: K LINE @en
pref label: K-LINIE @de
pref label: LINEA K
pref label: RAIE K @fr
pref label: RIGA K @it
related: HLine
related: WilsonBappuEffect

KMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: K MAGNITUDE @en
pref label: K-HELLIGKEIT @de
pref label: MAGNITUD K
pref label: MAGNITUDE K @fr
pref label: MAGNITUDINE K @it
related: InfraredPhotometry
related: NearInfraredRadiation

KramersOpacity
type: Concept
broader: Opacity
pref label: KRAMERS OPACITY @en
pref label: KRAMERSSCHE OPAZITAET @de
pref label: OPACIDAD DE KRAMER
pref label: OPACITA DI KRAMERS @it
pref label: OPACITE DE KRAMERS @fr
related: RosselandOpacity

KreutzSungrazers
type: Concept
alt label: cometas rasantes del sol
alt label: comete radenti @it
alt label: die Sonne streifende Kometen @de
alt label: objet frolant le soleil @fr
alt label: sungrazers @en
broader: Comets
pref label: COMETE DE KREUTZ FROLANT LE SOLEIL @fr
pref label: DIE SONNE STREIFENDE KOMETEN @de
pref label: KREUTZ SUNGRAZERS @en
pref label: RASANTES DEL SOL TIPO KREUTZ
pref label: SUNGRAZERS TIPO KREUTZ @it
related: SolarSystem

KruskalDiagram
type: Concept
pref label: DIAGRAMA DE KRUSKAL
pref label: DIAGRAMMA DI KRUSKAL @it
pref label: DIAGRAMME DE KRUSKAL @fr
pref label: KRUSKAL DIAGRAM @en
pref label: KRUSKAL-DIAGRAMM @de
related: BlackHoles

KStars
type: Concept
broader: LateTypeStars
narrower: KDwarfStars
narrower: KGiantStars
narrower: KSubdwarfStars
narrower: KSubgiantStars
narrower: KSupergiantStars
pref label: ESTRELLAS K
pref label: ETOILE K @fr
pref label: K STARS @en
pref label: K-STERNE @de
pref label: STELLE K @it
related: SpectralTypes

KSubdwarfStars
type: Concept
broader: KStars
broader: SubdwarfStars
pref label: ESTRELLAS SUBENANAS K
pref label: ETOILE K SOUS NAINE @fr
pref label: K SUBDWARF STARS @en
pref label: K-UNTERZWERGE @de
pref label: STELLE SUBNANE K @it
related: KDwarfStars

KSubgiantStars
type: Concept
broader: KStars
broader: SubgiantStars
pref label: ESTRELLAS SUBGIGANTES K
pref label: ETOILE K SOUS GEANTE @fr
pref label: K SUBGIANT STARS @en
pref label: K-UNTERRIESEN @de
pref label: STELLE SUBGIGANTI K @it
related: KGiantStars

KSupergiantStars
type: Concept
broader: KStars
broader: LateTypeSupergiantStars
broader: SupergiantStars
pref label: ESTRELLAS SUPERGIGANTES K
pref label: ETOILE K SUPERGEANTE @fr
pref label: K SUPERGIANT STARS @en
pref label: K-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI K @it

LagrangianPoints
type: Concept
alt label: Librationspunkte @de
alt label: libration points @en
alt label: point de libration @fr
alt label: punti di librazione @it
alt label: puntos de libracion
pref label: LAGRANGE-PUNKTE @de
pref label: LAGRANGIAN POINTS @en
pref label: POINT DE LAGRANGE @fr
pref label: PUNTI LAGRANGIANI @it
pref label: PUNTOS LAGRANGIANOS
related: CelestialMechanics
related: Gravitation
related: GravitationalFields

LambdaEridaniStars
type: Concept
broader: BeStars
broader: PulsatingVariableStars
pref label: ESTRELLAS LAMBDA ERIDANI
pref label: ETOILES LAMBDA ERIDANI @fr
pref label: LAMBDA ERIDANI STARS @en
pref label: LAMBDA ERIDANI-STERNE @de
pref label: STELLE LAMBDA ERIDANI @it

LargeMagellanicCloud
type: Concept
alt label: lmc
broader: MagellanicClouds
pref label: GRAND NUAGE DE MAGELLAN @fr
pref label: GRANDE NUBE DI MAGELLANO @it
pref label: GROSSE MAGELLANSCHE WOLKE @de
pref label: LARGE MAGELLANIC CLOUD @en
pref label: NUBE GRANDE DE MAGALLANES
related: SmallMagellanicCloud

LargeScaleStructure
type: Concept
pref label: ESTRUCTURA EN GRAN ESCALA
pref label: GROSSRAEUMIGE STRUKTUR @de
pref label: LARGE SCALE STRUCTURE @en
pref label: STRUCTURE A GRANDE ECHELLE @fr
pref label: STRUTTURA A GRANDE SCALA @it
related: CosmicStrings
related: Universe

LaserRanging
type: Concept
narrower: LunarLaserRanging
narrower: SatelliteLaserRanging
pref label: LASER RANGING @en
pref label: LASER-ENTFERNUNGSMESSUNG @de
pref label: TELEMETRIA LASER
pref label: TELEMETRIE LASER @fr
related: OpticalRadar

Lasers
type: Concept
pref label: LASER @it
pref label: LASERES
pref label: LASERS @en
related: Coherence
related: ElectronPumping
related: LightCoherence
related: LunarLaserRanging
related: Masers
related: OpticalRadar
related: PopulationInversion
related: SatelliteLaserRanging
related: StimulatedEmission

LateTypeDwarfStars
type: Concept
alt label: ESTRELLAS ENANAS FRIAS
alt label: cool dwarf stars @en
alt label: etoile naine froide @fr
alt label: kuehle Zwergsterne @de
alt label: stelle nane fredde @it
broader: DwarfStars
broader: LateTypeStars
broader: LowLuminosityStars
narrower: KDwarfStars
narrower: MDwarfStars
narrower: RedDwarfFlareStars
pref label: ESTRELLAS ENANAS TARDIAS
pref label: ETOILE NAINE TARDIVE @fr
pref label: LATE TYPE DWARF STARS @en
pref label: STELLE NANE DI TIPO AVANZATO @it
pref label: ZWERGSTERNE SPAETEN TYPS @de

LateTypeGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE DEGLI ULTIMI TIPI @it
pref label: GALAXIAS TARDIAS
pref label: GALAXIE TARDIVE @fr
pref label: GALAXIEN SPAETEN TYPS @de
pref label: LATE TYPE GALAXIES @en
related: SpiralGalaxies

LateTypeGiantStars
type: Concept
alt label: ESTRELLAS GIGANTES FRIAS
alt label: cool giant stars @en
alt label: etoile geante froide @fr
alt label: kuehle Riesensterne @de
alt label: stelle giganti fredde @it
broader: GiantStars
broader: LateTypeStars
narrower: CarbonStars
narrower: HeavyMetalStars
narrower: IrregularVariableStars
narrower: KGiantStars
narrower: MGiantStars
narrower: MiraVariableStars
narrower: SemiregularVariableStars
pref label: ESTRELLAS GIGANTES TARDIAS
pref label: ETOILE GEANTE TARDIVE @fr
pref label: LATE TYPE GIANT STARS @en
pref label: RIESENSTERNE SPAETEN TYPS @de
pref label: STELLE GIGANTI DI TIPO AVANZATO @it
related: AsymptoticGiantBranch
related: Funneling
related: RedGiantTip

LateTypeStars
type: Concept
alt label: ESTRELLAS FRIAS
alt label: cool stars @en
alt label: etoile froide @fr
alt label: kuehle Sterne @de
alt label: stelle fredde @it
narrower: KStars
narrower: LateTypeDwarfStars
narrower: LateTypeGiantStars
narrower: LateTypeSubdwarfStars
narrower: LateTypeSupergiantStars
narrower: MStars
narrower: NStars
narrower: RStars
narrower: SStars
pref label: ESTRELLAS TARDIAS
pref label: ETOILE TARDIVE @fr
pref label: LATE TYPE STARS @en
pref label: STELLE DI TIPO AVANZATO @it
pref label: STERNE SPAETEN TYPS @de
related: MolecularBands
related: MolecularLines
related: MolecularSpectra
related: WilsonBappuEffect

LateTypeSubdwarfStars
type: Concept
alt label: ESTRELLAS SUBENANAS FRIAS
alt label: cool subdwarf stars @en
alt label: etoile sous naine froide @fr
alt label: kuehle Unterzwerge @de
alt label: stelle subnane fredde @it
broader: LateTypeStars
broader: LowLuminosityStars
pref label: ESTRELLAS SUBENANAS TARDIAS
pref label: ETOILE SOUS NAINE TARDIVE @fr
pref label: LATE TYPE SUBDWARF STARS @en
pref label: STELLE SUBNANE DI TIPO AVANZATO @it
pref label: UNTERZWERGSTERNE SPAETEN TYPS @de

LateTypeSupergiantStars
type: Concept
alt label: cool supergiant stars @en
alt label: estrellas supergigantes frias
alt label: etoile supergeante froide @fr
alt label: kuehle UEberriesen @de
alt label: stelle supergiganti fredde @it
broader: LateTypeStars
broader: SupergiantStars
narrower: KSupergiantStars
narrower: MSupergiantStars
narrower: RvTauriStars
pref label: ESTRELLAS SUPERGIGANTES TARDIAS
pref label: ETOILE SUPERGEANTE TARDIVE @fr
pref label: LATE TYPE SUPERGIANT STARS @en
pref label: STELLE SUPERGIGANTI DI TIPO AVANZATO @it
pref label: UEBERRIESENSTERNE SPAETEN TYPS @de
related: IrregularVariableStars
related: LongPeriodVariableStars

LateTypeVariableStars
type: Concept
narrower: MeVariableStars
pref label: ESTRELLAS VARIABLES TARDIAS
pref label: ETOILE VARIABLE TARDIVE @fr
pref label: LATE TYPE VARIABLE STARS @en
pref label: STELLE VARIABILI DI TIPO AVANZATO @it
pref label: VERAENDERLICHE SPAETEN TYPS @de
related: MeStars

Latitude
type: Concept
pref label: BREITE @de
pref label: LATITUD
pref label: LATITUDE @fr
pref label: LATITUDINE @it
scope note: On earth surface.

LatitudeDetermination
type: Concept
narrower: LatitudeVariation
pref label: BREITENBESTIMMUNG @de
pref label: DETERMINACION DE LA LATITUD
pref label: DETERMINATION DE LA LATITUDE @fr
pref label: DETERMINAZIONE DELLA LATITUDINE @it
pref label: LATITUDE DETERMINATION @en
related: Astrometry
related: ChandlerWobble
scope note: On earth surface.

LatitudeVariation
type: Concept
broader: LatitudeDetermination
pref label: BREITENAENDERUNG @de
pref label: LATITUDE VARIATION @en
pref label: VARIACION DE LATITUD
pref label: VARIATION DE LA LATITUDE @fr
pref label: VARIAZIONE DI LATITUDINE @it
related: ChandlerWobble
related: PolarMotion
scope note: On earth surface.

LbVariableStars
type: Concept
broader: GiantStars
pref label: ESTRELLAS VARIABLES Lb
pref label: ETOILE VARIABLE Lb @fr
pref label: Lb VARIABLE STARS @en
pref label: Lb VERAENDERLICHE @de
pref label: STELLE VARIABILI Lb @it

LcVariableStars
type: Concept
pref label: ESTRELLAS VARIABLES Lc
pref label: ETOILE VARIABLE Lc @fr
pref label: Lc VARIABLE STARS @en
pref label: Lc VERAENDERLICHE @de
pref label: STELLE VARIABILI Lc @it
related: SupergiantStars

LemaitreUniverse
type: Concept
broader: Cosmology
pref label: LEMAITRE UNIVERSE @en
pref label: LEMAITRE-UNIVERSUM @de
pref label: UNIVERS DE LEMAITRE @fr
pref label: UNIVERSO DE LEMAITRE
pref label: UNIVERSO DI LEMAITRE @it
related: BigBangTheory

LensAntennas
type: Concept
broader: Antennas
pref label: ANTENAS DE LENTE
pref label: ANTENNE A LENTE @it
pref label: ANTENNE LENTILLE @fr
pref label: LENS ANTENNAS @en
pref label: LINSENANTENNEN @de

LensDesign
type: Concept
pref label: CONCEPTION DES LENTILLES @fr
pref label: DISEGNO DI LENTI @it
pref label: DISENO DE LENTES
pref label: LENS DESIGN @en
pref label: LINSENDESIGN @de
related: Lenses

Lenses
type: Concept
broader: OpticalComponents
narrower: CameraLenses
narrower: CorrectorPlates
narrower: FieldCorrectors
narrower: PrimaryLenses
pref label: LENSES @en
pref label: LENTES
pref label: LENTI @it
pref label: LENTILLE @fr
pref label: LINSEN @de
related: Aberrations
related: AntireflectionCoatings
related: CatadioptricSystems
related: Coatings
related: Collimators
related: DioptricSystems
related: Eyepieces
related: Figuring
related: Glass
related: LensDesign
related: OpticalInstruments
related: OpticalMaterials
related: Polishing
related: Refraction
related: RefractiveIndex
related: SurfacesOptical

LenticularGalaxies
type: Concept
alt label: S0 Galaxien @de
alt label: S0 galaxies @en
alt label: galassie S0 @it
alt label: galaxias S0
alt label: galaxie S0 @fr
broader: Galaxies
pref label: GALASSIE LENTICOLARI @it
pref label: GALAXIAS LENTICULARES
pref label: GALAXIE LENTICULAIRE @fr
pref label: LENTICULAR GALAXIES @en
pref label: LINSENFOERMIGE GALAXIEN @de
related: Ansae

Leptons
type: Concept
broader: ElementaryParticles
broader: Particles
narrower: Electrons
narrower: Muons
narrower: Neutrinos
narrower: Positrons
pref label: LEPTON @fr
pref label: LEPTONEN @de
pref label: LEPTONES
pref label: LEPTONI @it
pref label: LEPTONS @en
related: Bosons
related: Quarks

Libration
type: Concept
alt label: libracion fisica
alt label: libration physique @fr
alt label: librazione fisica @it
alt label: physical libration @en
alt label: physische Libration @de
pref label: LIBRACION
pref label: LIBRATION @de
pref label: LIBRAZIONE @it
related: Moon

Life
type: Concept
pref label: LEBEN @de
pref label: LIFE @en
pref label: VIDA
pref label: VIE @fr
pref label: VITA @it
related: AnthropicPrinciple
related: ExtraterrestrialLife
related: Origin

Light
type: Concept
broader: ElectromagneticWaves
narrower: PolarizedLight
pref label: LICHT @de
pref label: LIGHT @en
pref label: LUCE @it
pref label: LUMIERE @fr
pref label: LUZ
related: Color
related: Darkness
related: GravitationalLenses
related: LightAbsorption
related: LightInterference
related: LightScattering
related: Luminescence
related: Refraction
related: VisibleRadiation
related: VisibleSpectrum
scope note: Combine with other terms Synonym: VISIBLE RADIATION.

LightAbsorption
type: Concept
broader: Absorption
pref label: ABSORPTION DE LA LUMIERE @fr
pref label: ASSORBIMENTO DELLA LUCE @it
pref label: LICHTABSORPTION @de
pref label: LIGHT ABSORPTION @en
pref label: absorcion de la luz
related: AtmosphericExtinction
related: InterstellarAbsorption
related: InterstellarReddening
related: Light
related: LightScattering

LightCoherence
type: Concept
broader: Coherence
pref label: COERENZA DI LUCE @it
pref label: COHERENCE DE LA LUMIERE @fr
pref label: COHERENCIA DE LA LUZ
pref label: LICHTKOHAERENZ @de
pref label: LIGHT COHERENCE @en
related: Lasers

LightCone
type: Concept
narrower: FutureLightCone
narrower: PastLightCone
pref label: CONE DE LUMIERE @fr
pref label: CONO DE LUZ
pref label: CONO DI LUCE @it
pref label: LICHTKEGEL @de
pref label: LIGHT CONE @en
related: VelocityOfLight

LightCurves
type: Concept
broader: PhotometricElements
pref label: COURBE DE LUMIERE @fr
pref label: CURVAS DE LUZ
pref label: CURVE DI LUCE @it
pref label: LICHTKURVEN @de
pref label: LIGHT CURVES @en
related: Magnitudes
related: Maxima
related: Minima
related: Period
related: PhaseShift
related: PhaseWave
related: VariableStars
related: VelocityCurves

LightEmission
type: Concept
narrower: Photoluminescence
pref label: EMISION DE LUZ
pref label: EMISSION LUMINEUSE @fr
pref label: EMISSIONE LUMINOSA @it
pref label: LICHTEMISSION @de
pref label: LIGHT EMISSION @en
related: Auroras
related: Chemiluminescence
related: ContinuousSpectra
related: EmissionSpectra
related: Luminescence

LightInterference
type: Concept
broader: InterferenceWaves
pref label: INTERFERENCE LUMINEUSE @fr
pref label: INTERFERENCIA DE LUZ
pref label: INTERFERENZA LUMINOSA @it
pref label: LICHTINTERFERENZ @de
pref label: LIGHT INTERFERENCE @en
related: Light
related: OpticalFilms
related: OpticalFilters
related: OpticalInterferometry

LightPollution
type: Concept
broader: Pollution
pref label: CONTAMINACION LUMINOSA
pref label: INQUINAMENTO LUMINOSO @it
pref label: LICHTVERSCHMUTZUNG @de
pref label: LIGHT POLLUTION @en
pref label: POLLUTION LUMINEUSE @fr
related: AirPollution
related: SiteProtection

LightScattering
type: Concept
broader: RadiationScattering
broader: Scattering
narrower: ComptonScattering
narrower: RayleighScattering
narrower: ThomsonScattering
pref label: DIFFUSION DES ONDES LUMINEUSES @fr
pref label: DIFFUSIONE DELLA LUCE @it
pref label: DISPERSION DE LA LUZ
pref label: LICHTSTREUUNG @de
pref label: LIGHT SCATTERING @en
related: Afterglow
related: AtmosphericExtinction
related: BrillouinSpectra
related: Halos
related: InterstellarReddening
related: Light
related: LightAbsorption
related: Luminescence
related: RamanSpectra
related: ZodiacalLight

LightYear
type: Concept
pref label: ANNEE LUMIERE @fr
pref label: ANNO LUCE @it
pref label: ANO LUZ
pref label: LICHTJAHR @de
pref label: LIGHT YEAR @en
related: Distance
related: Parsec
related: VelocityOfLight
related: Year

LimbBrightening
type: Concept
pref label: BORD ECLAIRE @fr
pref label: BRILLO DEL LIMBO
pref label: ILLUMINAZIONE AL BORDO @it
pref label: LIMB BRIGHTENING @en
pref label: RANDAUFHELLUNG @de
related: Atmospheres
related: LimbDarkening
related: StellarAtmospheres
related: Temperature

LimbDarkening
type: Concept
pref label: ASSOMBRISSEMENT CENTRE BORD / ....VERS LA BORD @fr
pref label: LIMB DARKENING @en
pref label: OBSCURECIMIENTO DEL LIMBO
pref label: OSCURAMENTO AL BORDO @it
pref label: RANDVERDUNKELUNG @de
related: Atmospheres
related: LimbBrightening
related: SolarAtmosphere
related: StellarAtmospheres
related: Temperature

LimitingMagnitudes
type: Concept
pref label: GRENZHELLIGKEIT @de
pref label: LIMITING MAGNITUDES @en
pref label: MAGNITUDE LIMITE @fr
pref label: MAGNITUDES LIMITE
pref label: MAGNITUDINI LIMITE @it
related: Detectors
related: Precision
related: Sensitivity
related: SignalDetection
related: SignalToNoiseRatio

LineBlanketing
type: Concept
pref label: COBERTURA DE LAS LINEAS
pref label: COPERTURA DELLE RIGHE @it
pref label: LINE BLANKETING @en
pref label: LINIENBLANKETINGEFFEKT @de
pref label: RECHAUFFEMENT PAR LES RAIES @fr
related: MetalLines
related: SpectralLines
related: UltravioletRadiation

LineBlending
type: Concept
pref label: LINE BLENDING @en
pref label: LINIENUEBERSCHNEIDUNG @de
pref label: MISTIONE DELLE RIGHE @it
pref label: SUPERPOSICION DE LINEAS
pref label: SUPERPOSITION DES RAIES @fr
related: SpectralLines
related: SpectralResolution

LineBlocking
type: Concept
pref label: ABSORPTION PAR LES RAIES @fr
pref label: BLOCCAGGIO DELLE RIGHE @it
pref label: BLOQUEO DE LAS LINEAS
pref label: LINE BLOCKING @en
pref label: LINIENBLOCKIERUNG @de
scope note: See under LINE BLANKETING.

LineBroadening
type: Concept
alt label: Spektrallinienverbreiterung @de
alt label: allargamento delle righe spettrali @it
alt label: elargissement des raies @fr
alt label: ensanchamiento de la linea espectral
alt label: spectral line broadening @en
narrower: CollisionBroadening
narrower: DopplerBroadening
narrower: NaturalLineBroadening
narrower: PressureBroadening
narrower: StarkBroadening
pref label: ALLARGAMENTO DELLE RIGHE @it
pref label: ELARGISSEMENT DES RAIES @fr
pref label: ENSANCHAMIENTO DE LINEA
pref label: LINE BROADENING @en
pref label: LINIENVERBREITERUNG @de
related: Convection
related: EquivalentWidths
related: InstrumentalProfiles
related: LineFormation
related: LineWidths
related: NaturalLineWidth
related: SpectralLines
related: StellarAtmospheres
related: TurbulenceStarAtmosphere
related: ZeemanSplitting

LineFormation
type: Concept
alt label: Spektrallinienbildung @de
alt label: formacion de la linea espectral
alt label: formation des raies @fr
alt label: formazione delle righe spettrali @it
alt label: spectral line formation @en
pref label: FORMACION DE LINEA
pref label: FORMATION DES RAIES @fr
pref label: FORMAZIONE DELLE RIGHE @it
pref label: LINE FORMATION @en
pref label: LINIENBILDUNG @de
related: AbsorptionLines
related: DampingConstants
related: EmissionLines
related: LineBroadening
related: OscillatorStrengths
related: SolarAtmosphere
related: SpectralLines
related: StellarAtmospheres
related: TransitionProbabilities

LineIdentifications
type: Concept
pref label: IDENTIFICACIONES DE LINEAS
pref label: IDENTIFICATIONS DES RAIES @fr
pref label: IDENTIFICAZIONI DI RIGHE @it
pref label: LINE IDENTIFICATIONS @en
pref label: LINIENIDENTIFIKATION @de
related: AbsorptionLines
related: EmissionLines
related: SpectralLines

LineIntensitites
type: Concept
pref label: INTENSIDADES DE LINEA
pref label: INTENSITA DELLE RIGHE @it
pref label: INTENSITE DES RAIES @fr
pref label: LINE INTENSITITES @en
pref label: LINIENINTENSITAETEN @de
related: EmissionLines
related: SpectralLines

LineProfiles
type: Concept
alt label: Profile @de
alt label: perfiles
alt label: profil @fr
alt label: profiles @en
alt label: profili @it
narrower: InstrumentalProfiles
narrower: PCygniLineProfiles
pref label: LINE PROFILES @en
pref label: LINIENPROFILE @de
pref label: PERFILES DE LINEA
pref label: PROFIL DE RAIES @fr
pref label: PROFILI DELLE RIGHE @it
related: AbsorptionLines
related: EmissionLines
related: ResidualIntensity
related: SpectralLines

LineRatios
type: Concept
pref label: COCIENTE DE LINEAS
pref label: LINE RATIOS @en
pref label: LINIENVERHAELTNISSE @de
pref label: RAPPORT DE RAIES @fr
pref label: RAPPORTI DELLE RIGHE @it
related: AbsorptionLines
related: EmissionLines
related: SpectralLines

LineShift
type: Concept
alt label: Spektrallinienverschiebung @de
alt label: decalage des raies @fr
alt label: desplazamiento de la linea espectral
alt label: spectral line shift @en
alt label: spostamento delle righe spettrali @it
narrower: BlueShift
narrower: Redshift
pref label: DECALAGE SPECTRAL @fr
pref label: DESPLAZAMIENTO DE LA LINEA
pref label: LINE SHIFT @en
pref label: LINIENVERSCHIEBUNG @de
pref label: SPOSTAMENTO DELLE RIGHE @it
related: DopplerEffect
related: RadialVelocity
related: ZeemanSplitting

LineSpectra
type: Concept
narrower: AbsorptionSpectra
narrower: EmissionSpectra
pref label: ESPECTROS DE LINEA
pref label: LINE SPECTRA @en
pref label: LINIENSPEKTREN @de
pref label: SPECTRE DE RAIES @fr
pref label: SPETTRI A RIGHE @it
related: PressureBroadening
related: UltravioletLines
related: VoigtProfiles

LineWidths
type: Concept
alt label: Spektrallinienbreite @de
alt label: ancho de la linea espectral
alt label: largeur des raies @fr
alt label: larghezze delle righe spettrali @it
alt label: spectral line widths @en
narrower: EquivalentWidths
narrower: NaturalLineWidth
pref label: ANCHOS DE LINEA
pref label: LARGEUR DES RAIES @fr
pref label: LARGHEZZA DELLE RIGHE @it
pref label: LINE WIDTHS @en
pref label: LINIENBREITE @de
related: DopplerBroadening
related: InstrumentalProfiles
related: LineBroadening
related: MilneEddingtonApproximation
related: OscillatorStrengths
related: SpectralTypes
related: StellarAtmospheres
related: SurfaceGravity
related: TransitionProbabilities
related: TullyFisherRelation

LithiumPoorStars
type: Concept
broader: MetalPoorStars
pref label: ESTRELLAS POBRES EN LI
pref label: ETOILE PAUVRE EN LITHIUM @fr
pref label: LITHIUM POOR STARS @en
pref label: LITHIUMARME STERNE @de
pref label: STELLE POVERE DI LITIO @it

LithiumStars
type: Concept
alt label: ESTRELLAS LI
alt label: ESTRELLAS RICAS EN LI
alt label: Li stars @en
alt label: Li-Sterne @de
alt label: Lithiumreiche Sterne @de
alt label: etoile Li @fr
alt label: etoile riche en lithium @fr
alt label: lithium rich stars @en
alt label: stelle Li @it
alt label: stelle ricche di litio @it
pref label: ESTRELLAS DE LITIO
pref label: ETOILE A LITHIUM @fr
pref label: LITHIUM STARS @en
pref label: LITHIUM-STERNE @de
pref label: STELLE AL LITIO @it
related: GiantStars

Lithospheres
type: Concept
pref label: LITHOSPHAERE @de
pref label: LITHOSPHERE @fr
pref label: LITHOSPHERES @en
pref label: LITOSFERAS
pref label: LITOSFERE @it
related: Mantles
related: Planets

LMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: L MAGNITUDE @en
pref label: L-HELLIGKEIT @de
pref label: MAGNITUD L
pref label: MAGNITUDE L @fr
pref label: MAGNITUDINE L @it
related: InfraredPhotometry
related: NearInfraredRadiation

Lobes
type: Concept
broader: RadioStructure
pref label: BLASEN @de
pref label: LOBE @fr
pref label: LOBES @en
pref label: LOBI @it
pref label: LOBULOS
related: RadioSources
scope note: Radio source features.

LocalGroupOfGalaxies
type: Concept
broader: GroupsOfGalaxies
broader: NearbyGalaxies
narrower: MagellanicClouds
narrower: MilkyWayGalaxy
pref label: GROUPE LOCAL DE GALAXIES @fr
pref label: GRUPO LOCAL DE GALAXIAS
pref label: GRUPPO LOCALE DI GALASSIE @it
pref label: LOCAL GROUP OF GALAXIES @en
pref label: LOKALE GRUPPE VON GALAXIEN @de
related: BrightGalaxies

LocalStandardOfRest
type: Concept
alt label: lsr
alt label: rls @fr
pref label: ESTANDAR LOCAL DE REPOSO
pref label: LOCAL STANDARD OF REST @en
pref label: LOKALES RUHESYSTEM ? @de
pref label: REFERENTIEL LOCAL STANDARD @fr
pref label: RIFERIMENTO LOCALE DI QUIETE @it
related: Orbits
related: PeculiarMotions
related: PeculiarVelocity
related: ProperMotions
related: StellarMotions
related: Sun

LocalSupercluster
type: Concept
broader: ClustersOfGalaxies
pref label: LOCAL SUPERCLUSTER @en
pref label: LOKALER SUPERHAUFEN @de
pref label: SUPERAMAS LOCAL @fr
pref label: SUPERAMMASSO LOCALE @it
pref label: SUPERCUMULO LOCAL
related: Galaxies
related: GreatAttractor

LocalThermodynamicEquilibrium
type: Concept
alt label: lte
broader: ThermodynamicEquilibrium
pref label: EQUILIBRE THERMODYNAMIQUE LOCAL @fr
pref label: EQUILIBRIO TERMODINAMICO LOCAL
pref label: EQUILIBRIO TERMODINAMICO LOCALE @it
pref label: LOCAL THERMODYNAMIC EQUILIBRIUM @en
pref label: LOKALES THERMISCHES GLEICHGEWICHT @de
related: NonlteTransfer
related: ThermalEquilibrium
related: ThermalInstability
related: ThermalStability
related: Thermodynamics

LongBaselineInterferometers
type: Concept
broader: Interferometers
broader: RadioInterferometers
pref label: INTERFEROMETER MIT LANGEN BASISLINIEN @de
pref label: INTERFEROMETRE A GRANDE BASE @fr
pref label: INTERFEROMETRI A LUNGA BASE @it
pref label: INTERFEROMETROS DE LINEA DE BASE LARGA
pref label: LONG BASELINE INTERFEROMETERS @en
related: OpticalInterferometers
related: VeryLongBaselineInterferometers

LongBaselineInterferometry
type: Concept
broader: Interferometry
broader: RadioInterferometry
pref label: INTERFEROMETRIA A LUNGA BASE @it
pref label: INTERFEROMETRIA DE LINEA DE BASE LARGA
pref label: INTERFEROMETRIE A GRANDE BASE @fr
pref label: INTERFEROMETRIE MIT LANGEN BASISLINIEN @de
pref label: LONG BASELINE INTERFEROMETRY @en
related: OpticalInterferometry
related: RadioAstrometry
related: VeryLongBaselineInterferometry

Longitude
type: Concept
pref label: LAENGE @de
pref label: LONGITUD
pref label: LONGITUDE @fr
pref label: LONGITUDINE @it
scope note: On earth surface.

LongPeriodComets
type: Concept
broader: Comets
pref label: COMETAS DE LARGO PERIODO
pref label: COMETE A LONGUE PERIODE @fr
pref label: COMETE A LUNGO PERIODO @it
pref label: LANGPERIODISCHE KOMETEN @de
pref label: LONG PERIOD COMETS @en

LongPeriodVariableStars
type: Concept
broader: PulsatingVariableStars
narrower: MiraVariableStars
narrower: RvTauriStars
narrower: SVulpeculaeStars
narrower: WzSagittaeStars
pref label: ESTRELLAS VARIABLES DE LARGO PERIODO
pref label: ETOILE VARIABLE A LONGUE PERIODE @fr
pref label: LANGPERIODISCHE VERAENDERLICHE @de
pref label: LONG PERIOD VARIABLE STARS @en
pref label: STELLE VARIABILI A LUNGO PERIODO @it
related: LateTypeSupergiantStars

LongSlitSpectra
type: Concept
pref label: ESPECTROS DE RANURA LARGA
pref label: LANGSPALTSPEKTREN @de
pref label: LONG SLIT SPECTRA @en
pref label: SPECTRE A FENTE LONGUE @fr
pref label: SPETTRI A FENDITURA LUNGA @it
related: TwoDimensionalSpectra

Loops
type: Concept
pref label: BOUCLE @fr
pref label: CICLI @it
pref label: LAZOS / BUCLES / RIZOS
pref label: LOOPS @en
pref label: SCHLEIFEN / BOEGEN @de
scope note: Combine with other terms

LowLuminosityStars
type: Concept
narrower: LateTypeDwarfStars
narrower: LateTypeSubdwarfStars
pref label: ESTRELLAS DE BAJA LUMINOSIDAD
pref label: ETOILE DE FAIBLE LUMINOSITE @fr
pref label: LOW LUMINOSITY STARS @en
pref label: STELLE DI BASSA LUMINOSITA @it
pref label: STERNE GERINGER LEUCHTKRAFT @de
related: DwarfStars
related: LowMassStars

LowMassStars
type: Concept
narrower: BlackDwarfStars
narrower: BrownDwarfStars
narrower: HzHerculisStars
pref label: ESTRELLAS DE BAJA MASA
pref label: ETOILE DE FAIBLE MASSE @fr
pref label: LOW MASS STARS @en
pref label: STELLE DI PICCOLA MASSA @it
pref label: STERNE GERINGER MASSE @de
related: DwarfStars
related: LowLuminosityStars

LowTemperaturePlasmas
type: Concept
broader: Plasmas
pref label: LOW TEMPERATURE PLASMAS @en
pref label: NIEDERTEMPERATURPLASMA @de
pref label: PLASMA A FAIBLE TEMPERATURE @fr
pref label: PLASMAS DE BAJA TEMPERATURA
pref label: PLASMI A BASSA TEMPERATURA @it

Luminescence
type: Concept
alt label: Kandolumineszenz @de
alt label: candoluminescence @fr
alt label: candoluminescenza @it
alt label: candoluminiscencia
narrower: Chemiluminescence
narrower: Thermoluminescence
pref label: LUMINESCENCE @fr
pref label: LUMINESCENZA @it
pref label: LUMINESZENZ @de
pref label: LUMINISCENCIA
related: Afterglow
related: Fluorescence
related: Light
related: LightEmission
related: LightScattering
related: NoctilucentClouds

Luminosity
type: Concept
alt label: absolute intensitaet @de
alt label: absolute intensity @en
alt label: intensidad absoluta
alt label: intensita assoluta @it
alt label: intensite absolue @fr
narrower: UltravioletLuminosity
narrower: XRayLuminosity
pref label: LEUCHTKRAFT @de
pref label: LUMINOSIDAD
pref label: LUMINOSITA @it
pref label: LUMINOSITE @fr
pref label: LUMINOSITY @en
related: AbsoluteMagnitude
related: Brightness
related: Flux
related: FluxDensity
related: HertzsprungRussellDiagram
related: Intensity
related: LuminosityClass
related: MassToLightRatios
related: MkClassification
related: SurfaceGravity

LuminosityClass
type: Concept
broader: MkClassification
pref label: CLASE DE LUMINOSIDAD
pref label: CLASSE DE LUMINOSITE @fr
pref label: CLASSE DI LUMINOSITA @it
pref label: LEUCHTKRAFTKLASSE @de
pref label: LUMINOSITY CLASS @en
related: Luminosity
related: LuminosityClassification
related: SpectralTypes
scope note: See: LUMINOSITY CLASSIFICATION

LuminosityClassification
type: Concept
broader: Classification
pref label: CLASIFICACION DE LUMINOSIDAD
pref label: CLASSIFICATION EN LUMINOSITE @fr
pref label: CLASSIFICAZIONE DI LUMINOSITA @it
pref label: LEUCHTKRAFTKLASSIFIKATION @de
pref label: LUMINOSITY CLASSIFICATION @en
related: DwarfStars
related: GiantStars
related: LuminosityClass
related: SpectralClassification
related: SpectralTypes
related: SubgiantStars
related: SurfaceGravity

LuminosityDistribution
type: Concept
pref label: DISTRIBUCION DE LUMINOSIDAD
pref label: DISTRIBUTION DE LA LUMINOSITE @fr
pref label: DISTRIBUZIONE DI LUMINOSITA @it
pref label: LEUCHTKRAFTVERTEILUNG @de
pref label: LUMINOSITY DISTRIBUTION @en
related: BrightnessTemperature
related: Isophotes

LuminosityFunction
type: Concept
pref label: FONCTION DE LUMINOSITE @fr
pref label: FUNCION DE LUMINOSIDAD
pref label: FUNZIONE DI LUMINOSITA @it
pref label: LEUCHTKRAFTFUNKTION @de
pref label: LUMINOSITY FUNCTION @en
related: ClustersOfGalaxies
related: StarClusters
related: StellarEvolution

LuminousArcs
type: Concept
alt label: ARCOS
alt label: Boegen @de
alt label: arc @fr
alt label: archi @it
alt label: arcs @en
pref label: ARC LUMINEUX @fr
pref label: ARCHI LUMINOSI @it
pref label: ARCOS LUMINOSOS
pref label: LEUCHTENDE BOEGEN @de
pref label: LUMINOUS ARCS @en
related: GravitationalLenses
related: Quasars

LuminousBlueVariableStars
type: Concept
broader: EarlyTypeVariableStars
broader: HighLuminosityStars
pref label: ESTRELLAS AZULES VARIABLES LUMINOSAS
pref label: ETOILE VARIABLE BLEUE LUMINEUSE @fr
pref label: HELLE BLAUE VERAENDERLICHE @de
pref label: LUMINOUS BLUE VARIABLE STARS @en
pref label: STELLE VARIABILI BLU LUMINOSE @it
related: EarlyTypeSupergiantStars

Lunar
type: Concept
pref label: LUNAIRE @fr
pref label: LUNAR
pref label: LUNARE @it
pref label: MOND... @de
scope note: Combine LUNAR or MOON with other terms. Also see MOON.

LunarDomes
type: Concept
pref label: DOME LUNAIRE @fr
pref label: LUNAR DOMES @en
pref label: MOND-DOME @de
pref label: TUMULI LUNARI @it
pref label: TUMULOS LUNARES
related: Moon
related: SurfacesCelestialBodies

LunarEclipse
type: Concept
broader: Eclipses
pref label: ECLIPSE DE LUNA
pref label: ECLIPSE DE LUNE @fr
pref label: ECLISSE DI LUNA @it
pref label: LUNAR ECLIPSE @en
pref label: MONDFINSTERNIS @de
related: Moon
related: Penumbra
related: SarosCycle
related: Sun
related: Umbra

LunarLaserRanging
type: Concept
broader: LaserRanging
pref label: ENTFERNUNGSMESSUNG DES MONDES MITTELS LASER @de
pref label: LUNAR LASER RANGING @en
pref label: TELEMETRIA LASER DELLA LUNA @it
pref label: TELEMETRIA LASER LUNAR
pref label: TELEMETRIE DE LA LUNE PAR LASER @fr
related: Lasers
related: Moon
related: OpticalRadar
related: SatelliteLaserRanging

LunarTheory
type: Concept
pref label: LUNAR THEORY @en
pref label: TEORIA LUNAR
pref label: TEORIA LUNARE @it
pref label: THEORIE DES MONDES @de
pref label: THEORIE DU MOUVEMENT DE LA LUNE @fr
related: CelestialMechanics
related: EarthMoonSystem
related: Moon

LymanAlpha
type: Concept
broader: ResonanceLines
pref label: LYMAN ALFA
pref label: LYMAN ALPHA @fr
pref label: LYMAN-ALPHA @de
related: LymanAlphaForest
related: LymanContinuum
related: LymanSeries

LymanAlphaForest
type: Concept
pref label: BOSQUE LYMAN ALFA
pref label: FORESTA LYMAN ALFA @it
pref label: LYMAN ALPHA FOREST @en
pref label: LYMAN ALPHA WALD @de
pref label: SERIE LYMAN ALPHA @fr
related: AbsorptionLines
related: IntergalacticAbsorption
related: LymanAlpha
related: Quasars
related: Redshift

LymanBeta
type: Concept
pref label: LYMAN BETA
pref label: LYMAN-BETA @de
related: LymanContinuum
related: LymanSeries

LymanContinuum
type: Concept
pref label: CONTINU DE LYMAN @fr
pref label: CONTINUO DE LYMAN
pref label: CONTINUO DI LYMAN @it
pref label: LYMAN CONTINUUM @en
pref label: LYMAN-KONTINUUM @de
related: HydrogenSpectrum
related: LymanAlpha
related: LymanBeta
related: LymanSeries
related: UltravioletRadiation

LymanSeries
type: Concept
pref label: LYMAN SERIES @en
pref label: LYMAN-SERIE @de
pref label: SERIE DE LYMAN
pref label: SERIE DI LYMAN @it
related: BalmerSeries
related: BrackettSeries
related: HydrogenSpectrum
related: LymanAlpha
related: LymanBeta
related: LymanContinuum
related: PaschenSeries
related: PfundSeries
related: UltravioletRadiation

MacroSpicules
type: Concept
broader: Spicules
pref label: MACRO SPICULE @fr
pref label: MACRO SPICULES @en
pref label: MACROESPICULAS
pref label: MACROSPICOLE @it
pref label: MAKROSPIKULEN @de
related: Chromosphere
related: Sun

Macroturbulence
type: Concept
broader: TurbulenceEarthAtmosphere
broader: TurbulenceStarAtmosphere
pref label: MACROTURBOLENZA @it
pref label: MACROTURBULENCE @fr
pref label: MACROTURBULENCIA
pref label: MAKROTURBULENZ @de
related: Atmospheres
related: StellarStructure

MagellanicClouds
type: Concept
alt label: Magellansche Wolken @de
alt label: Nubes de Magallanes
alt label: clouds of magellan @en
alt label: nuage de magellan @fr
alt label: nubi di magellano @it
broader: Galaxies
broader: IrregularGalaxies
broader: LocalGroupOfGalaxies
broader: NearbyGalaxies
narrower: LargeMagellanicCloud
narrower: SmallMagellanicCloud
pref label: MAGELLANIC CLOUDS @en
pref label: MAGELLANSCHE WOLKEN @de
pref label: NUAGE DE MAGELLAN @fr
pref label: NUBES DE MAGALLANES
pref label: NUBI DI MAGELLANO @it
related: MagellanicStream

MagellanicStream
type: Concept
pref label: CORRIENTE DE MAGALLANES
pref label: COURANT MAGELLANIQUE @fr
pref label: FLUSSO MAGELLANICO @it
pref label: MAGELLANIC STREAM @en
pref label: MAGELLANSCHER STROM @de
related: MagellanicClouds

MagneticAnomalies
type: Concept
broader: Anomalies
pref label: ANOMALIAS MAGNETICAS
pref label: ANOMALIE MAGNETICHE @it
pref label: ANOMALIE MAGNETIQUE @fr
pref label: MAGNETIC ANOMALIES @en
pref label: MAGNETISCHE ANOMALIEN @de
related: GravityAnomalies
related: MagneticProperties

MagneticDisturbances
type: Concept
pref label: ALTERACIONES MAGNETICAS
pref label: DISTURBI MAGNETICI @it
pref label: MAGNETIC DISTURBANCES @en
pref label: MAGNETISCHE STOERUNGEN @de
pref label: PERTURBATION MAGNETIQUE @fr
related: Auroras
related: MagneticProperties

MagneticFields
type: Concept
narrower: GeomagneticField
narrower: InterplanetaryMagneticFields
narrower: InterstellarMagneticFields
pref label: CAMPI MAGNETICI @it
pref label: CAMPOS MAGNETICOS
pref label: CHAMP MAGNETIQUE @fr
pref label: MAGNETIC FIELDS @en
pref label: MAGNETISCHE FELDER @de
related: DynamoTheory
related: Force
related: MagneticMonopoles
related: MagneticPoles
related: MagneticProperties
related: MagneticVariableStars
related: Magnetohydrodynamics
related: Magnetosphere
related: Paleomagnetism
related: PaschenBackEffect
related: Sunspots

MagneticMonopoles
type: Concept
pref label: MAGNETIC MONOPOLES @en
pref label: MAGNETISCHE MONOPOLE @de
pref label: MONOPOLE MAGNETIQUE @fr
pref label: MONOPOLI MAGNETICI @it
pref label: MONOPOLOS MAGNETICOS
related: MagneticFields
related: MagneticPoles

MagneticPoles
type: Concept
pref label: MAGNETIC POLES @en
pref label: MAGNETISCHE POLE @de
pref label: POLE MAGNETIQUE @fr
pref label: POLI MAGNETICI @it
pref label: POLOS MAGNETICOS
related: Auroras
related: MagneticFields
related: MagneticMonopoles
related: MagneticStorms
related: MagneticVariableStars

MagneticProperties
type: Concept
broader: Properties
pref label: MAGNETIC PROPERTIES @en
pref label: MAGNETISCHE EIGENSCHAFTEN @de
pref label: PROPIEDADES MAGNETICAS
pref label: PROPRIETA MAGNETICHE @it
pref label: PROPRIETE MAGNETIQUE @fr
related: MagneticAnomalies
related: MagneticDisturbances
related: MagneticFields
related: MagneticStars

MagneticStars
type: Concept
alt label: Kobalt-Sterne @de
alt label: cobalt stars @en
alt label: estrellas de cobalto
alt label: etoile a cobalt @fr
alt label: stelle al cobalto @it
broader: PeculiarStars
narrower: AmStars
narrower: BpStars
narrower: MagneticVariableStars
narrower: ManganeseStars
narrower: MercuryManganeseStars
pref label: ESTRELLAS MAGNETICAS
pref label: ETOILE MAGNETIQUE @fr
pref label: MAGNETIC STARS @en
pref label: MAGNETISCHE STERNE @de
pref label: STELLE MAGNETICHE @it
related: ApStars
related: MagneticProperties
related: ObliqueRotators
related: SpectrumVariableStars
related: StrontiumStars

MagneticStorms
type: Concept
narrower: MagnetosphericSubstorms
pref label: MAGNETIC STORMS @en
pref label: MAGNETISCHE STUERME @de
pref label: TEMPESTE MAGNETICHE @it
pref label: TEMPETE MAGNETIQUE @fr
pref label: TORMENTAS MAGNETICAS
related: Auroras
related: MagneticPoles
related: Magnetosphere
related: SolarActivity
related: Sunspots

MagneticVariableStars
type: Concept
broader: IntrinsicVariableStars
broader: MagneticStars
narrower: Alpha2CanumVenaticorumStars
narrower: AmStars
narrower: SxArietisStars
pref label: ESTRELLAS VARIABLES MAGNETICAS
pref label: ETOILE VARIABLE MAGNETIQUE @fr
pref label: MAGNETIC VARIABLE STARS @en
pref label: MAGNETISCHE VERAENDERLICHE STERNE @de
pref label: STELLE VARIABILI MAGNETICHE @it
related: ApStars
related: MagneticFields
related: MagneticPoles

Magnetographs
type: Concept
broader: Instrumentation
pref label: MAGNETOGRAFI @it
pref label: MAGNETOGRAFOS
pref label: MAGNETOGRAPHE @fr
pref label: MAGNETOGRAPHEN @de
pref label: MAGNETOGRAPHS @en

Magnetoheliographs
type: Concept
broader: Instrumentation
pref label: MAGNETOELIOGRAFI @it
pref label: MAGNETOHELIOGRAFOS
pref label: MAGNETOHELIOGRAPHE @fr
pref label: MAGNETOHELIOGRAPHEN @de
pref label: MAGNETOHELIOGRAPHS @en

Magnetohydrodynamics
type: Concept
alt label: Alfvenwellen @de
alt label: Hydromagnetik @de
alt label: Hydromagnetische Wellen @de
alt label: ONDAS HIDROMAGNETICAS
alt label: alfven waves @en
alt label: hidromagnetica
alt label: hydromagnetic waves @en
alt label: hydromagnetics @en
alt label: hydromagnetisme @fr
alt label: idromagnetismo @it
alt label: mhd
alt label: ondas de alfven
alt label: onde d'Alfven @fr
alt label: onde di alfven @it
alt label: onde hydromagnetique @fr
alt label: onde idromagnetiche @it
pref label: MAGNETOHIDRODINAMICA
pref label: MAGNETOHYDRODYNAMICS @en
pref label: MAGNETOHYDRODYNAMIK @de
pref label: MAGNETOHYDRODYNAMIQUE @fr
pref label: MAGNETOIDRODINAMICA @it
related: CosmicElectrodynamics
related: Hydrodynamics
related: MagneticFields
related: PlasmaPhysics
related: PlasmaWaves
related: SynchrotronRadiation
related: VanAllenRadiationBelts

MagnetoOpticalEffects
type: Concept
narrower: FaradayEffect
narrower: PolarizationChargeSeparation
narrower: ZeemanSplitting
pref label: EFECTOS MAGNETO OPTICOS
pref label: EFFET MAGNETOOPTIQUE @fr
pref label: EFFETTI MAGNETOOTTICI @it
pref label: MAGNETO OPTICAL EFFECTS @en
pref label: MAGNETOOPTISCHE EFFEKTE @de

Magnetosphere
type: Concept
pref label: MAGNETOSFERA
pref label: MAGNETOSPHAERE @de
pref label: MAGNETOSPHERE @fr
related: EarthAtmosphere
related: Exosphere
related: MagneticFields
related: MagneticStorms
related: MagnetosphericSubstorms
related: UpperAtmosphere

MagnetosphericSubstorms
type: Concept
broader: MagneticStorms
pref label: MAGNETOSPHAERISCHE SUBSTUERME @de
pref label: MAGNETOSPHERIC SUBSTORMS @en
pref label: PERTURBATION MAGNETOSPHERIQUE @fr
pref label: PERTURBAZIONI MAGNETOSFERICHE @it
pref label: SUBTORMENTAS MAGNETOSFERICAS
related: Magnetosphere

Magnitudes
type: Concept
narrower: AbsoluteMagnitude
narrower: ApparentMagnitudes
narrower: IntegratedMagnitude
pref label: GROESSENKLASSEN @de
pref label: MAGNITUDE @fr
pref label: MAGNITUDES
pref label: MAGNITUDINI @it
related: Amplitudes
related: Brightness
related: Intensity
related: LightCurves
related: Photometry
related: PogsonScale
scope note: Also see under APPARENT MAGNITUDES

Mainsequence
type: Concept
pref label: HAUPTREIHE @de
pref label: MAINSEQUENCE @en
pref label: SECUENCIA PRINCIPAL
pref label: SEQUENZA PRINCIPALE @it
pref label: SERIE PRINCIPALE @fr
related: DwarfStars
related: HertzsprungRussellDiagram
related: MainsequenceStars
related: TurnoffPoint
related: ZeroAgeMainsequence

MainsequenceStars
type: Concept
narrower: BlueStragglerStars
narrower: DwarfStars
pref label: ESTRELLAS DE SECUENCIA PRINCIPAL
pref label: ETOILE DE LA SERIE PRINCIPALE @fr
pref label: HAUPTREIHENSTERNE @de
pref label: MAINSEQUENCE STARS @en
pref label: STELLE DI SEQUENZA PRINCIPALE @it
related: Mainsequence
related: MassLuminosityRelation
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

MajorAxis
type: Concept
pref label: ASSE MAGGIORE @it
pref label: EJE MAYOR
pref label: GRAND AXE @fr
pref label: GROSSE ACHSE @de
pref label: MAJOR AXIS @en
scope note: See terms under SEMIMAJOR AXIS.

MaksutovTelescopes
type: Concept
broader: CatadioptricSystems
broader: ReflectingTelescopes
pref label: MAKSUTOV TELESCOPES @en
pref label: MAKSUTOV-TELESKOPE @de
pref label: TELESCOPE DE MAKSUTOV @fr
pref label: TELESCOPI DI MAKSUTOV @it
pref label: TELESCOPIOS MAKSUTOV
related: BouwersTelescopes
related: SchmidtTelescopes
related: WideFieldTelescopes

ManganeseStars
type: Concept
broader: ApStars
broader: MagneticStars
broader: SpectrumVariableStars
pref label: ESTRELLAS DE MANGANESO
pref label: ETOILE A MANGANESE @fr
pref label: MANGAN-STERNE @de
pref label: MANGANESE STARS @en
pref label: STELLE AL MANGANESE @it

Mantles
type: Concept
pref label: MANTEAU @fr
pref label: MANTEL / ERDMANTEL @de
pref label: MANTELLI @it
pref label: MANTLES @en
pref label: MANTOS
related: Crust
related: CrustalDynamics
related: Earth
related: Lithospheres
related: Moon
related: Planets

Maps
type: Concept
narrower: ContourMaps
narrower: XRayMaps
pref label: CARTE @fr
pref label: KARTEN @de
pref label: MAPAS
pref label: MAPPE @it
pref label: MAPS @en
related: Atlases
related: Catalogs
related: FindingCharts
related: Photogrammetry
related: Planets
related: RadarMapping
related: SkySurveys
related: StarAtlases

Maria
type: Concept
pref label: MARES LUNARES
pref label: MARI @it
pref label: MARIA @en
pref label: MEERE [MOND] @de
pref label: MER [LUNE] @fr
related: Moon
related: SurfacesCelestialBodies

MarkarianGalaxies
type: Concept
broader: EmissionLineGalaxies
pref label: GALASSIE DI MARKARIAN @it
pref label: GALAXIAS MARKARIAN
pref label: GALAXIE DE MARKARIAN @fr
pref label: MARKARIAN GALAXIES @en
pref label: MARKARIAN-GALAXIEN @de
related: PeculiarGalaxies
related: SeyfertGalaxies

Mascons
type: Concept
pref label: MASCON @it
pref label: MASCONES
pref label: MASCONS @en
pref label: MASKON / LUNARE MASSENKONZENTRATION @de
related: GravityAnomalies
related: Moon

Masers
type: Concept
narrower: Megamasers
narrower: OhMasers
narrower: SiOMasers
narrower: WaterMasers
pref label: MASER @it
pref label: MASERES
pref label: MASERS @en
related: Coherence
related: ElectronPumping
related: InterstellarMatter
related: InverseMasers
related: Lasers
related: PopulationInversion
related: RadioRecombinationLines
related: RadioSources
related: StimulatedEmission

Mass
type: Concept
pref label: MASA
pref label: MASS @en
pref label: MASSA @it
pref label: MASSE @de
related: ChandrasekharLimit
related: ChandrasekharSchonbergLimit
related: Gravitation
related: InitialMassFunction
related: MassDensity
related: MassExchange
related: MassFlow
related: MassFunction
related: MassToLightRatios
related: Momentum
related: SpectroscopicBinaryStars
related: SurfaceGravity

MassDensity
type: Concept
broader: Density
pref label: DENSIDAD DE MASA
pref label: DENSITA DI MASSA ? @it
pref label: MASS DENSITY @en
pref label: MASSE SPECIFIQUE @fr
pref label: MASSENDICHTE @de
related: Mass

MassExchange
type: Concept
alt label: Massenaustausch @de
alt label: echange de masse @fr
alt label: exchange of mass @en
alt label: intercambio de masa
alt label: scambio di massa @it
pref label: ECHANGE DE MASSE @fr
pref label: INTERCAMBIO DE MASA
pref label: MASS EXCHANGE @en
pref label: MASSENAUSTAUSCH @de
pref label: SCAMBIO DI MASSA @it
related: CataclysmicVariableStars
related: ContactBinaryStars
related: EruptiveBinaryStars
related: Mass
related: MassFlow
related: MassLoss
related: MassTransfer

MassFlow
type: Concept
pref label: FLUJO DE MASA
pref label: FLUSSO DI MASSA @it
pref label: FLUX DE MASSE @fr
pref label: MASS FLOW @en
pref label: MASSENFLUSS @de
related: Mass
related: MassExchange
related: MassLoss
related: MassTransfer

MassFunction
type: Concept
pref label: FONCTION DE MASSE @fr
pref label: FUNCION DE MASA
pref label: FUNZIONE DI MASSA @it
pref label: MASS FUNCTION @en
pref label: MASSENFUNKTION @de
related: BirthRates
related: Mass
related: MassRatios
related: SpectroscopicBinaryStars
related: StarClusters
related: StarCounts

MassiveGalaxies
type: Concept
pref label: GALASSIE MASSICCE @it
pref label: GALAXIAS MASIVAS
pref label: GALAXIE MASSIVE @fr
pref label: MASSIVE GALAXIEN @de
pref label: MASSIVE GALAXIES @en
related: ClustersOfGalaxies
related: DGalaxies
related: cDGalaxies

MassiveObjects
type: Concept
pref label: MASSIVE OBJECTS @en
pref label: MASSIVE OBJEKTE @de
pref label: OBJET MASSIF @fr
pref label: OBJETOS MASIVOS
pref label: OGGETTI MASSIVI @it
related: BlackHoles
related: GalacticNuclei
related: SeyfertGalaxies

MassiveStars
type: Concept
pref label: ESTRELLAS MASIVAS
pref label: ETOILE MASSIVE @fr
pref label: MASSIVE STARS @en
pref label: MASSIVE STERNE @de
pref label: STELLE MASSICCE @it
related: MassLoss
related: SupermassiveStars

MassLoss
type: Concept
alt label: Massenausstoss @de
alt label: eiezione di massa @it
alt label: ejection de matiere @fr
alt label: eyeccion de masa
alt label: mass ejection @en
pref label: MASS LOSS @en
pref label: MASSENVERLUST @de
pref label: PERDIDA DE MASA
pref label: PERDITA DI MASSA @it
pref label: PERTE DE MASSE @fr
related: BinaryStars
related: CataclysmicVariableStars
related: CircumstellarDisks
related: CircumstellarEnvelopes
related: CircumstellarMatter
related: CircumstellarShells
related: CoronalMassEjections
related: Coronas
related: EruptiveBinaryStars
related: FuOrionisStars
related: MassExchange
related: MassFlow
related: MassTransfer
related: MassiveStars
related: Novas
related: PCygniLineProfiles
related: PlanetaryNebulae
related: StellarEvolution
related: StellarWinds
related: Supernovas
related: WolfRayetStars

MassLuminosityRelation
type: Concept
pref label: MASS LUMINOSITY RELATION @en
pref label: MASSE-LEUCHTKRAFT-BEZIEHUNG @de
pref label: RELACION MASA LUMINOSIDAD
pref label: RELATION MASSE LUMINOSITE @fr
pref label: RELAZIONE MASSA LUMINOSITA @it
related: MainsequenceStars

MassRadiusRelation
type: Concept
pref label: MASS RADIUS RELATION @en
pref label: MASSE-RADIUS-BEZIEHUNG @de
pref label: RELACION MASA RADIO
pref label: RELATION MASSE RAYON @fr
pref label: RELAZIONE MASSA RAGGIO @it
related: ChandrasekharLimit
related: DegenerateStars

MassRatios
type: Concept
pref label: COCIENTES DE MASA
pref label: MASS RATIOS @en
pref label: MASSENVERHAELTNIS @de
pref label: RAPPORT DE MASSES @fr
pref label: RAPPORTI DI MASSA @it
related: BinaryStars
related: InitialMassFunction
related: MassFunction

MassToLightRatios
type: Concept
pref label: COCIENTES MASA LUMINOSIDAD
pref label: MASS TO LIGHT RATIOS @en
pref label: MASSE-ZU-LICHT-VERHAELTNIS @de
pref label: RAPPORT MASSE LUMINOSITE @fr
pref label: RAPPORTI MASSA LUMINOSITA @it
related: Galaxies
related: Luminosity
related: Mass
related: MissingMass

MassTransfer
type: Concept
pref label: MASS TRANSFER @en
pref label: MASSENUEBERTRAGUNG @de
pref label: TRANSFERENCIA DE MASA
pref label: TRANSFERT DE MASSE @fr
pref label: TRASPORTO DI MASSA @it
related: Accretion
related: Convection
related: FluidDynamics
related: MassExchange
related: MassFlow
related: MassLoss

MathematicalAnalysis
type: Concept
narrower: DifferentialEquations
pref label: ANALISI MATEMATICA @it
pref label: ANALISIS MATEMATICO
pref label: ANALYSE MATHEMATIQUE @fr
pref label: MATHEMATICAL ANALYSIS @en
pref label: MATHEMATISCHE ANALYSE @de
related: CatastropheTheory
scope note: Combine with other terms

Mathematics
type: Concept
pref label: MATEMATICA
pref label: MATHEMATICS @en
pref label: MATHEMATIK @de
pref label: MATHEMATIQUES @fr
scope note: Combine with other terms

Matter
type: Concept
pref label: MATERIA
pref label: MATERIE @de
pref label: MATIERE @fr
pref label: MATTER @en
scope note: Combine with other terms

MaunderMinimum
type: Concept
pref label: MAUNDER MINIMUM @en
pref label: MAUNDER-MINIMUM @de
pref label: MINIMO DE MAUNDER
pref label: MINIMO DI MAUNDER @it
pref label: MINIMUM DE MAUNDER @fr
related: SolarActivity
related: SunspotCycle
related: SunspotNumbers

Maxima
type: Concept
broader: PhotometricElements
pref label: MASSIMI @it
pref label: MAXIMA @de
pref label: MAXIMO
pref label: MAXIMUM @fr
related: LightCurves
related: Minima
related: VariableStars
related: VelocityCurves

MaximumEntropyMethods
type: Concept
pref label: MAXIMUM ENTROPIE-METHODEN @de
pref label: MAXIMUM ENTROPY METHODS @en
pref label: METHODE DU MAXIMUM D'ENTROPIE @fr
pref label: METODI DI MASSIMA ENTROPIA @it
pref label: METODOS DE ENTROPIA MAXIMA
related: FourierAnalysis
related: FrequencyAnalysis
related: SpectroscopicAnalysis

MDwarfStars
type: Concept
broader: DwarfStars
broader: LateTypeDwarfStars
broader: MStars
pref label: ESTRELLAS ENANAS M
pref label: ETOILE M NAINE @fr
pref label: M DWARF STARS @en
pref label: M-ZWERGE @de
pref label: STELLE NANE M @it

MeanEquinox
type: Concept
broader: Equinoxes
pref label: EQUINOCCIO VERDADERO
pref label: EQUINOXE MOYENNE @fr
pref label: EQUINOZIO MEDIO @it
pref label: MEAN EQUINOX @en
pref label: MITTLERE AQUINOX @de
related: Planets

MeanSolarTime
type: Concept
broader: Time
pref label: MEAN SOLAR TIME @en
pref label: MITTLERE SONNENZEIT @de
pref label: TEMPO SOLARE MEDIO @it
pref label: TEMPS SOLAIRE MOYEN @fr
pref label: TIEMPO SOLAR MEDIO
related: CivilTime
related: EphemerisTime
related: EquationOfTime
related: UniversalTime

Measurement
type: Concept
pref label: MEASUREMENT @en
pref label: MEDICION
pref label: MESSUNG @de
pref label: MESURE @fr
pref label: MISURAZIONE @it
related: Determination
related: MeasuringInstruments
related: Metrology
related: Quantization
scope note: Combine with other terms

MeasuringInstruments
type: Concept
narrower: Altimeters
narrower: AtomicClocks
narrower: Chronometers
narrower: Clocks
narrower: Counters
narrower: Densitometers
narrower: Heliometers
narrower: Microdensitometers
narrower: Micrometers
narrower: Microphotometers
narrower: Monochromators
narrower: ProportionalCounters
narrower: Radiometers
narrower: RangeFinders
narrower: Sensitometers
pref label: INSTRUMENT DE MESURE @fr
pref label: INSTRUMENTOS DE MEDICION
pref label: MEASURING INSTRUMENTS @en
pref label: MESSINSTRUMENTE @de
pref label: STRUMENTI DI MISURA @it
related: Calibration
related: Measurement

MechanicalComponents
type: Concept
pref label: COMPONENTES MECANICAS
pref label: COMPONENTI MECCANICI @it
pref label: COMPOSANTE MECANIQUE @fr
pref label: MECHANICAL COMPONENTS @en
pref label: MECHANISCHE BESTANDTEILE @de
scope note: Combine with other terms

MechanicalProperties
type: Concept
broader: Properties
pref label: MECHANICAL PROPERTIES @en
pref label: MECHANISCHE EIGENSCHAFTEN @de
pref label: PROPIEDADES MECANICAS
pref label: PROPRIETA MECCANICHE @it
pref label: PROPRIETE MECANIQUE @fr
scope note: Combine with other terms

MediumBandPhotometry
type: Concept
broader: CcdPhotometry
broader: PhotoelectricPhotometry
narrower: DdoPhotometry
narrower: GenevaPhotometry
narrower: InfraredPhotometry
narrower: StromgrenPhotometry
narrower: UltravioletPhotometry
narrower: VilniusPhotometry
narrower: WalravenPhotometry
pref label: FOTOMETRIA A BANDA MEDIA @it
pref label: FOTOMETRIA DE BANDA MEDIA
pref label: MEDIUM BAND PHOTOMETRY @en
pref label: PHOTOMETRIE A BANDES MOYENNES @fr
pref label: PHOTOMETRIE MIT MITTLERER BANDBREITE @de
related: BroadBandPhotometry
related: NarrowBandPhotometry

MegalithicAstronomy
type: Concept
broader: Archaeoastronomy
pref label: ASTRONOMIA MEGALITICA
pref label: ASTRONOMIE MEGALITHIQUE @fr
pref label: MEGALITHIC ASTRONOMY @en
pref label: MEGALITHISCHE ASTRONOMIE @de

Megamasers
type: Concept
broader: Masers
pref label: MEGAMASER @it
pref label: MEGAMASERES
pref label: MEGAMASERS @en

MercuryManganeseStars
type: Concept
broader: BStars
broader: MagneticStars
pref label: ESTRELLAS DE MERCURIO MANGANESO
pref label: ETOILE MERCURE MANGANESE @fr
pref label: MERCURY MANGANESE STARS @en
pref label: QUECKSILBER-MANGAN-STERNE @de
pref label: STELLE AL MERCURIO MANGANESE @it

MeridianCircles
type: Concept
broader: TransitInstruments
pref label: CERCHI MERIDIANI @it
pref label: CERCLE MERIDIEN @fr
pref label: CIRCULOS MERIDIANOS
pref label: MERIDIAN CIRCLES @en
pref label: MERIDIANKREISE @de
related: Astrometry
related: Quadrants
related: VerticalCircles

MeridianObservations
type: Concept
pref label: MERIDIAN OBSERVATIONS @en
pref label: MERIDIANBEOBACHTUNGEN @de
pref label: OBSERVACIONES MERIDIANAS
pref label: OBSERVATION MERIDIENNE @fr
pref label: OSSERVAZIONI MERIDIANE @it
related: TransitInstruments
related: TransitTelescopes
related: TransitTime
related: ZenithTelescopes

Mesons
type: Concept
broader: Bosons
broader: ElementaryParticles
pref label: MESON @fr
pref label: MESONEN @de
pref label: MESONES
pref label: MESONI @it
pref label: MESONS @en
related: Photons
related: Quarks

Mesopause
type: Concept
pref label: MESOPAUSA
pref label: MESOPAUSE @de
related: EarthAtmosphere
related: Ionosphere
related: Mesosphere
related: Thermosphere

Mesosphere
type: Concept
pref label: MESOSFERA
pref label: MESOSPHAERE @de
pref label: MESOSPHERE @fr
related: EarthAtmosphere
related: Mesopause
related: Stratopause
related: UpperAtmosphere

MeStars
type: Concept
broader: EmissionLineStars
broader: MStars
pref label: ESTRELLAS Me
pref label: ETOILE Me @fr
pref label: Me STARS @en
pref label: Me-STERNE @de
pref label: STELLE Me @it
related: LateTypeVariableStars
related: MeVariableStars

Metagalaxy
type: Concept
pref label: METAGALASSIA @it
pref label: METAGALAXIA
pref label: METAGALAXIE @fr
pref label: METAGALAXIS @de
pref label: METAGALAXY @en
related: Universe

MetalAbundance
type: Concept
alt label: Metallhaeufigkeit @de
alt label: metalicidad
alt label: metallicita @it
alt label: metallicite @fr
alt label: metallicity @en
broader: Abundance
pref label: ABBONDANZA METALLICA @it
pref label: ABONDANCE METALLIQUE @fr
pref label: ABUNDANCIA METALICA
pref label: METAL ABUNDANCE @en
pref label: METALLHAEUFIGKEIT @de
related: CnoAnomalies
related: DredgeUp
related: HeliumPoorStars
related: HeliumRichStars
related: HydrogenDeficientStars
related: MetalDeficientStars
related: MetalPoorStars
related: MetalRichStars
related: OosterhoffGroups
related: RareEarths
related: TraceElements

MetalDeficientStars
type: Concept
pref label: ESTRELLAS DEFICIENTES EN METAL
pref label: ETOILE DEFICIENTE EN METAUX @fr
pref label: METAL DEFICIENT STARS @en
pref label: METALLARME STERNE @de
pref label: STELLE CON DEFICIENZA METALLICA @it
related: MetalAbundance
related: MetalPoorStars
related: UltravioletExcessStars

MetalLines
type: Concept
broader: SpectralLines
narrower: CaIiEmissionLines
narrower: CalciumLines
narrower: CarbonLines
narrower: TechnetiumLines
pref label: LINEAS METALICAS
pref label: METAL LINES @en
pref label: METALLINIEN @de
pref label: RAIE METALLIQUE @fr
pref label: RIGHE METALLICHE @it
related: AbsorptionLines
related: LineBlanketing
related: RareEarths

MetalPoorStars
type: Concept
narrower: LithiumPoorStars
narrower: WeakGBandStars
pref label: ESTRELLAS POBRES EN METAL
pref label: ETOILE PAUVRE EN METAUX @fr
pref label: METAL POOR STARS @en
pref label: METALLARME STERNE @de
pref label: STELLE POVERE DI METALLI @it
related: MetalAbundance
related: MetalDeficientStars
related: UltravioletExcessStars

MetalRichStars
type: Concept
alt label: Metallinien-Sterne @de
alt label: estrellas de lineas metalicas
alt label: etoile a raies metalliques @fr
alt label: metallic line stars @en
alt label: stelle con righe metalliche @it
narrower: AmStars
narrower: SiliconStars
pref label: ESTRELLAS RICAS EN METAL
pref label: ETOILE RICHE EN METAUX @fr
pref label: METAL RICH STARS @en
pref label: METALLREICHE STERNE @de
pref label: STELLE RICCHE DI METALLI @it
related: MetalAbundance

MeteorCameras
type: Concept
narrower: BakerNunnCameras
pref label: CAMARAS METEORICAS
pref label: CAMERE BAKER NUNN @it
pref label: CHAMBRE METEORIQUE @fr
pref label: METEOR CAMERAS @en
pref label: METEORKAMERAS @de

MeteoriteCraters
type: Concept
pref label: CRATERE METEORITIQUE @fr
pref label: CRATERES DE METEORITOS
pref label: CRATERI DA METEORITE @it
pref label: METEORITE CRATERS @en
pref label: METEORITENKRATER @de
related: MeteoriteImpacts
related: Meteorites
related: Meteors

MeteoriteImpacts
type: Concept
pref label: IMPACT DE METEORITE @fr
pref label: IMPACTOS DE METEORITO
pref label: IMPATTI METEORITICI @it
pref label: METEORITE IMPACTS @en
pref label: METEORITENEINSCHLAEGE @de
related: MeteoriteCraters
related: Meteorites
related: Meteors

Meteorites
type: Concept
broader: Meteors
narrower: Achondrites
narrower: Aerolites
narrower: Ataxites
narrower: Australites
narrower: Bediasites
narrower: Chondrites
narrower: IronMeteorites
narrower: Micrometeorites
narrower: Moldavites
narrower: Tektites
pref label: METEORITE @fr
pref label: METEORITEN @de
pref label: METEORITES @en
pref label: METEORITI @it
pref label: METEORITOS
related: Ablation
related: Collisions
related: Comets
related: ImpactCraters
related: InterplanetaryMatter
related: MeteoriteCraters
related: MeteoriteImpacts
related: MinorPlanets
related: NeumannLines

MeteoroidDustCloud
type: Concept
pref label: METEOROID DUST CLOUD @en
pref label: NUAGE DE POUSSIERE METEORITIQUE @fr
pref label: NUBE DI POLVERE DI METEOROIDI @it
pref label: NUBES DE POLVO METEORITICO
pref label: STAUBWOLKE AUS METEORITEN @de
related: Comets
related: Meteoroids
related: Meteors
related: MinorPlanets
related: ZodiacalDust

Meteoroids
type: Concept
alt label: METEORIDS
alt label: Meteoride @de
alt label: meteorids @en
alt label: meteorite @fr
alt label: meteoroidi @it
broader: InterplanetaryDust
broader: InterplanetaryGrains
broader: InterplanetaryMatter
narrower: Micrometeoroids
pref label: METEOROIDE @de
pref label: METEOROIDES
pref label: METEOROIDI @it
pref label: METEOROIDS @en
related: Comets
related: MeteoroidDustCloud
related: Meteors
related: MinorPlanets
related: ZodiacalDust

Meteorology
type: Concept
pref label: METEOROLOGIA
pref label: METEOROLOGIE @de
pref label: METEOROLOGY @en
related: EarthAtmosphere

Meteors
type: Concept
narrower: Bolides
narrower: Fireballs
narrower: Meteorites
pref label: METEORE @de
pref label: METEORE; UF STELLE CADENTI; UF BOLIDI @it
pref label: METEOROS
pref label: METEORS @en
related: Craters
related: MeteorShowers
related: MeteorStreams
related: MeteorTrails
related: MeteoriteCraters
related: MeteoriteImpacts
related: MeteoroidDustCloud
related: Meteoroids
related: RadiantMeteors

MeteorShowers
type: Concept
pref label: ESSAIM DE METEORES @fr
pref label: LLUVIAS DE METEOROS
pref label: METEOR SHOWERS @en
pref label: METEORSCHAUER @de
pref label: SCIAMI METEORICI @it
related: MeteorStreams
related: MeteorTrails
related: Meteors
related: RadiantMeteors
related: ZenithHourlyRate
scope note: Named showers not included.

MeteorStreams
type: Concept
pref label: CORRENTI DI METEORE @it
pref label: CORRIENTES DE METEOROS
pref label: COURANT METEORIQUE @fr
pref label: METEOR STREAMS @en
pref label: METEORSTROEME @de
related: Comets
related: MeteorShowers
related: MeteorTrails
related: Meteors
related: MinorPlanets
related: RadiantMeteors

MeteorTrails
type: Concept
pref label: COLONNE DI IONI @it
pref label: ESTELAS DE METEOROS
pref label: METEOR TRAILS @en
pref label: METEORSPUREN @de
pref label: TRACE METEORIQUE @fr
related: MeteorShowers
related: MeteorStreams
related: Meteors
related: RadiantMeteors

MetonicCycle
type: Concept
pref label: CICLO METONICO
pref label: CYCLE METONIQUE @fr
pref label: METONIC CYCLE @en
pref label: METONSCHER ZYKLUS @de
related: PhaseMoon
related: SarosCycle

Metrology
type: Concept
pref label: MESSKUNDE @de
pref label: METROLOGIA
pref label: METROLOGIE @fr
pref label: METROLOGY @en
related: Instrumentation
related: Measurement
related: Units

MeVariableStars
type: Concept
broader: EmissionLineStars
broader: LateTypeVariableStars
broader: MGiantStars
pref label: ESTRELLAS VARIABLES Me
pref label: ETOILEVARIABLE Me @fr
pref label: Me VARIABLE STARS @en
pref label: Me-VERAENDERLICHE @de
pref label: STELLE VARIABILI Me @it
related: MeStars

MGiantStars
type: Concept
broader: GiantStars
broader: LateTypeGiantStars
broader: MStars
narrower: MeVariableStars
pref label: ESTRELLAS GIGANTES M
pref label: ETOILE M GEANTE @fr
pref label: M GIANT STARS @en
pref label: M-RIESEN @de
pref label: STELLE GIGANTI M @it
related: MSubgiantStars

MichelsonInterferometers
type: Concept
broader: OpticalInterferometers
pref label: INTERFEROMETRE DE MICHELSON @fr
pref label: INTERFEROMETRI DI MICHELSON @it
pref label: INTERFEROMETROS DE MICHELSON
pref label: MICHELSON INTERFEROMETER @de
pref label: MICHELSON INTERFEROMETERS @en
related: IntensityInterferometers
related: MichelsonInterferometry

MichelsonInterferometry
type: Concept
pref label: INTERFEROMETRIA DE MICHELSON
pref label: INTERFEROMETRIA DI MICHELSON @it
pref label: INTERFEROMETRIE DE MICHELSON @fr
pref label: MICHELSON INTERFEROMETRIE @de
pref label: MICHELSON INTERFEROMETRY @en
related: MichelsonInterferometers
related: OpticalInterferometry

Microdensitometers
type: Concept
broader: MeasuringInstruments
pref label: MICRODENSITOMETERS @en
pref label: MICRODENSITOMETRE @fr
pref label: MICRODENSITOMETRI @it
pref label: MICRODENSITOMETROS
pref label: SCHWAERZUNGSMESSER @de
related: Densitometers
related: Microphotometers
related: Photographs

Microdensitometry
type: Concept
pref label: MICRODENSITOMETRIA
pref label: MICRODENSITOMETRIE @fr
pref label: MICRODENSITOMETRY @en
pref label: SCHWAERZUNGSMESSUNG @de
scope note: See MICRODENSITOMETERS.

Microlensing
type: Concept
pref label: EFFECTO DE MICROLENTE
pref label: MICROLENSING @it
pref label: MICROMIRAGE @fr
pref label: MIKROLINSENEFFEKT @de
related: GravitationalLenses

Micrometeorites
type: Concept
broader: Meteorites
pref label: MICROMETEORITE @fr
pref label: MICROMETEORITES @en
pref label: MICROMETEORITI @it
pref label: MICROMETEORITOS
pref label: MIKROMETEORITE @de
related: InterplanetaryMatter

Micrometeoroids
type: Concept
broader: Meteoroids
pref label: MICROMETEOROIDE @fr
pref label: MICROMETEOROIDES
pref label: MICROMETEOROIDI @it
pref label: MICROMETEOROIDS @en
pref label: MIKROMETEOROIDE @de

Micrometers
type: Concept
broader: MeasuringInstruments
pref label: MICROMETERS @en
pref label: MICROMETRE @fr
pref label: MICROMETRI @it
pref label: MICROMETROS
pref label: MIKROMETER @de

Microphotometers
type: Concept
broader: MeasuringInstruments
pref label: MICROFOTOMETRI @it
pref label: MICROFOTOMETROS
pref label: MICROPHOTOMETERS @en
pref label: MICROPHOTOMETRE @fr
pref label: MIKROPHOTOMETER @de
related: Microdensitometers
related: Photography

Microprocessors
type: Concept
broader: Computers
pref label: MICROPROCESADORES
pref label: MICROPROCESSEUR @fr
pref label: MICROPROCESSORI @it
pref label: MICROPROCESSORS @en
pref label: MIKROPROZESSOREN @de
related: ControlSystems

Microturbulence
type: Concept
broader: TurbulenceEarthAtmosphere
broader: TurbulenceStarAtmosphere
pref label: MICROTURBOLENZA @it
pref label: MICROTURBULENCE @fr
pref label: MICROTURBULENCIA
pref label: MIKROTURBULENZ @de
related: AbsorptionLines
related: Atmospheres

MicrowaveAntennas
type: Concept
broader: Antennas
pref label: ANTENAS DE MICROONDAS
pref label: ANTENNE MICROONDE @fr
pref label: ANTENNE PER MICROONDE @it
pref label: MICROWAVE ANTENNAS @en
pref label: MIKROWELLENANTENNEN @de
related: MicrowaveRadiation

MicrowaveBackground
type: Concept
broader: BackgroundRadiation
broader: CosmicNoise
broader: MicrowaveRadiation
pref label: FOND MICROONDE @fr
pref label: FONDO A MICROONDE @it
pref label: FONDO DE MICROONDAS
pref label: MICROWAVE BACKGROUND @en
pref label: MIKROWELLENHINTERGRUND @de
related: GammaRayBackground
related: RadioBackground
related: SunyaevZeldovichEffect
related: UltravioletBackground
related: XRayBackground

MicrowaveEmission
type: Concept
pref label: EMISION DE MICROONDAS
pref label: EMISSION MICROONDE @fr
pref label: EMISSIONE DI MICROONDE @it
pref label: MICROWAVE EMISSION @en
pref label: MIKROWELLENSTRAHLUNG @de
related: CosmicNoise

MicrowaveImaging
type: Concept
pref label: FORMATION D'IMAGE MICROONDE @fr
pref label: MICROWAVE IMAGING @en
pref label: MIKROWELLEN-ABBILDUNG @de
pref label: PRODUCCION DE IMAGENES EN MICROONDAS
pref label: PRODUZIONE DI IMMAGINI NELLE MICROONDE @it
related: MicrowaveRadiation

MicrowaveRadiation
type: Concept
broader: Radiation
narrower: MicrowaveBackground
pref label: MICROWAVE RADIATION @en
pref label: MIKROWELLENSTRAHLUNG @de
pref label: RADIACION DE MICROONDAS
pref label: RADIAZIONE A MICROONDE @it
pref label: RAYONNEMENT MICROONDE @fr
related: MicrowaveAntennas
related: MicrowaveImaging
related: MillimeterRadiation
related: RemoteSensing

Microwaves
type: Concept
pref label: MICROONDAS
pref label: MICROONDE @it
pref label: MICROONDE / HYPERFREQUENCE @fr
pref label: MICROWAVES @en
pref label: MIKROWELLEN @de
related: MillimeterWaves
scope note: Combine with other terms

MicrowaveSpectra
type: Concept
broader: Spectra
pref label: ESPECTROS DE MICROONDAS
pref label: MICROWAVE SPECTRA @en
pref label: MIKROWELLENSPEKTREN @de
pref label: SPECTRE MICROONDE @fr
pref label: SPETTRI NELLE MICROONDE @it
related: RadioSpectra

MicrowaveSpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA DE MICROONDAS
pref label: MICROWAVE SPECTROSCOPY @en
pref label: MIKROWELLENSPEKTROSKOPIE @de
pref label: SPECTROSCOPIE MICROONDE @fr
pref label: SPETTROSCOPIA A MICROONDE @it

MieScattering
type: Concept
broader: Scattering
pref label: DIFFUSION DE MIE @fr
pref label: DIFFUSIONE DI MIE @it
pref label: DISPERSION DE MIE
pref label: MIE SCATTERING @en
pref label: MIE-STREUUNG @de
related: BrillouinScattering
related: RayleighScattering

MilkyWayGalaxy
type: Concept
alt label: Die Galaxis / Milchstrasse @de
alt label: galaxy [the] @en
alt label: la galassia @it
alt label: la galaxia
alt label: la galaxie @fr
alt label: the galaxy @en
broader: Galaxies
broader: LocalGroupOfGalaxies
broader: SpiralGalaxies
pref label: MILCHSTRASSE @de
pref label: MILKY WAY GALAXY @en
pref label: VIA LACTEA
pref label: VIA LATTEA @it
pref label: VOIE LACTEE @fr
related: GalacticAnticenter
related: GalacticBulge
related: GalacticCenter
related: GalacticCoordinateSystem
related: GalacticPlane
related: GouldsBelt
related: HighVelocityClouds
related: HighVelocityStars
related: SkyBrightness

MillimeterAstronomy
type: Concept
broader: RadioAstronomy
pref label: ASTRONOMIA MILIMETRICA
pref label: ASTRONOMIA MILLIMETRICA @it
pref label: ASTRONOMIE MILLIMETRIQUE @fr
pref label: MILLIMETER ASTRONOMY @en
pref label: MILLIMETER(WELLEN)-ASTRONOMIE @de
related: RadioObservatories
related: SatelliteBorneInstruments
related: SubmillimeterAstronomy

MillimeterRadiation
type: Concept
alt label: mm radiation @en
alt label: mm-Strahlung @de
alt label: radiacion mm
alt label: radiazione mm @it
alt label: rayonnement millimetrique @fr
pref label: MILLIMETER RADIATION @en
pref label: MILLIMETERSTRAHLUNG @de
pref label: RADIACION MILIMETRICA
pref label: RADIAZIONE MILLIMETRICA @it
pref label: RAYONNEMENT MILLIMETRIQUE @fr
related: MicrowaveRadiation

MillimeterWaves
type: Concept
broader: ElectromagneticWaves
pref label: MILLIMETER WAVES @en
pref label: MILLIMETERWELLEN @de
pref label: ONDAS MILIMETRICAS
pref label: ONDE MILLIMETRICHE @it
pref label: ONDE MILLIMETRIQUE @fr
related: Microwaves

MillsCrossAntennas
type: Concept
broader: Antennas
broader: DirectionalAntennas
broader: RadioTelescopes
pref label: ANTENAS EN CRUZ DE MILLS
pref label: ANTENNE EN CROIX DE MILLS @fr
pref label: CROCI DI MILLS @it
pref label: MILLS CROSS ANTENNAS @en
pref label: MILLS CROSS-ANTENNEN @de
related: PencilBeams

MilneEddingtonApproximation
type: Concept
pref label: APPROSSIMAZIONE DI MILNE EDDINGTON @it
pref label: APPROXIMATION DE MILNE EDDINGTON @fr
pref label: APROXIMACION MILNE EDDINGTON
pref label: MILNE EDDINGTON APPROXIMATION @en
pref label: MILNE-EDDINGTON-NAEHERUNG @de
related: LineWidths
related: SpectroscopicAnalysis

MineralDeposits
type: Concept
pref label: DEPOSITI MINERARI @it
pref label: DEPOSITOS MINERALES
pref label: DEPOT MINERAL @fr
pref label: MINERAL DEPOSITS @en
pref label: MINERALIENABLAGERUNGEN @de
related: Mineralogy

Mineralogy
type: Concept
pref label: MINERALOGIA
pref label: MINERALOGIE @de
pref label: MINERALOGY @en
related: MineralDeposits

Minima
type: Concept
broader: PhotometricElements
pref label: MINIMA @de
pref label: MINIMI @it
pref label: MINIMOS
pref label: MINIMUM @fr
related: LightCurves
related: Maxima
related: VariableStars
related: VelocityCurves

MinorPlanetFamilies
type: Concept
narrower: AmorGroup
narrower: ApolloGroup
narrower: HirayamaFamilies
narrower: TrojanGroup
pref label: FAMIGLIE DI PIANETI MINORI @it
pref label: FAMILIAS DE PLANETAS MENORES
pref label: FAMILLE DES PETITES PLANETES @fr
pref label: KLEINPLANETEN-FAMILIEN @de
pref label: MINOR PLANET FAMILIES @en
related: MinorPlanets
scope note: Not a complete list of terms.

MinorPlanets
type: Concept
alt label: Planetoiden / Kleinplaneten @de
alt label: pianetini @it
alt label: planetoides
alt label: planetoids @en
alt label: planetoïde @fr
narrower: NearEarthAsteroids
pref label: KLEINPLANETEN @de
pref label: MINOR PLANETS @en
pref label: PETITE PLANETE @fr
pref label: PIANETI MINORI; UF PIANETINI @it
pref label: planetas menores
related: AsteroidBelt
related: InterplanetaryMatter
related: KirkwoodGaps
related: MeteorStreams
related: Meteorites
related: MeteoroidDustCloud
related: Meteoroids
related: MinorPlanetFamilies
related: Planetesimals
related: ResonanceGaps
related: SolarSystem

MiraVariableStars
type: Concept
alt label: Miras @de
alt label: Omicron Ceti-Sterne @de
alt label: Zeta Aurigae-Sterne @de
alt label: estrellas omicron ceti
alt label: estrellas zeta aurigae
alt label: etoiles dzeta aurigae @fr
alt label: etoiles omicron ceti @fr
alt label: mira @fr
alt label: miras
alt label: omicron ceti stars @en
alt label: stelle omicron ceti @it
alt label: stelle zeta aurigae @it
alt label: zeta aurigae stars @en
broader: EmissionLineStars
broader: IrregularVariableStars
broader: LateTypeGiantStars
broader: LongPeriodVariableStars
broader: PulsatingVariableStars
pref label: ESTRELLAS VARIABLES MIRA
pref label: ETOILE VARIABLE MIRA @fr
pref label: MIRA VARIABLE STARS @en
pref label: MIRA-VERAENDERLICHE @de
pref label: STELLE VARIABILI TIPO MIRA @it
related: RadialPulsations
related: SVulpeculaeStars
related: SemiregularVariableStars

MirrorCells
type: Concept
pref label: CELDAS DE ESPEJO
pref label: CELLE PER SPECCHI @it
pref label: MIROIR ALVEOLE @fr
pref label: MIRROR CELLS @en
pref label: SPIEGELZELLEN @de
related: Mirrors

Mirrors
type: Concept
broader: OpticalComponents
narrower: DichroicMirrors
narrower: PrimaryMirrors
narrower: TelescopeMirrors
pref label: ESPEJOS
pref label: MIROIR @fr
pref label: MIRRORS @en
pref label: SPECCHI @it
pref label: SPIEGEL @de
related: Aberrations
related: Aluminizing
related: AluminumCoatings
related: CatadioptricSystems
related: CatoptricSystems
related: Coatings
related: Collimators
related: Figuring
related: Glass
related: MirrorCells
related: OpticalInstruments
related: OpticalMaterials
related: Polishing
related: Reflection
related: SurfacesOptical
related: ThinFilms

MissingMass
type: Concept
pref label: FEHLENDE MASSE @de
pref label: MASA FALTANTE
pref label: MASSA MANCANTE @it
pref label: MASSE MANQUANTE @fr
pref label: MISSING MASS @en
related: ClustersOfGalaxies
related: Cosmology
related: MassToLightRatios
related: VelocityDispersion

MkClassification
type: Concept
broader: SpectralClassification
narrower: LuminosityClass
pref label: CLASIFICACION MK
pref label: CLASSIFICATION MK @fr
pref label: CLASSIFICAZIONE MK @it
pref label: MK CLASSIFICATION @en
pref label: MK KLASSIFIZIERUNG @de
related: Luminosity
related: Spectra

MMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: M MAGNITUDE @en
pref label: M-HELLIGKEIT @de
pref label: MAGNITUD M
pref label: MAGNITUDE M @fr
pref label: MAGNITUDI M @it
related: FarInfraredRadiation
related: InfraredPhotometry

Models
type: Concept
narrower: ComputerModels
narrower: Orreries
pref label: MODELE @fr
pref label: MODELLE @de
pref label: MODELLI @it
pref label: MODELOS
pref label: MODELS @en
related: EquilibriumFigures
related: NumericalSimulation
related: Polytropes
related: Simulation
related: StellarStructure
scope note: Combine with other terms

Modulation
type: Concept
pref label: MODULACION
pref label: MODULATION @de
pref label: MODULAZIONE @it
scope note: Combine with other terms

ModulationTransferFunction
type: Concept
alt label: ftm @fr
alt label: mtf
broader: TransferFunctions
pref label: FONCTION DE TRANSFERT DE MODULATION @fr
pref label: FUNCION DE TRANSFERENCIA DE MODULACION
pref label: FUNZIONE DI TRASFERIMENTO DELLA MODULAZIONE @it
pref label: MODULATION TRANSFER FUNCTION @en
pref label: MODULATIONSUEBERTRAGUNGS-FUNKTION @de
related: OpticalInstruments
related: OpticalTesting
related: OpticalTransferFunction

Moldavites
type: Concept
broader: Meteorites
broader: Tektites
pref label: MOLDAVITAS
pref label: MOLDAVITE @de
pref label: MOLDAVITES @en
pref label: MOLDAVITI @it
related: Australites
related: Bediasites
related: Chondrites

MolecularAstrophysics
type: Concept
pref label: ASTROFISICA MOLECOLARE @it
pref label: ASTROFISICA MOLECULAR
pref label: ASTROPHYSIQUE MOLECULAIRE @fr
pref label: MOLECULAR ASTROPHYSICS @en
pref label: MOLEKULAR-ASTROPHYSIK @de
related: Cosmochemistry
related: MolecularBands
related: MolecularLines
related: MolecularSpectroscopy

MolecularBands
type: Concept
broader: SpectralBands
narrower: GBand
narrower: PhillipsBands
narrower: SwanBands
narrower: bBand
pref label: BANDAS MOLECULARES
pref label: BANDE MOLECOLARI @it
pref label: BANDE MOLECULAIRE @fr
pref label: MOLECULAR BANDS @en
pref label: MOLEKUELBANDE @de
related: LateTypeStars
related: MolecularAstrophysics
related: MolecularLines
related: MolecularSpectra
related: ZirconiumStars

MolecularClouds
type: Concept
broader: InterstellarMatter
narrower: GiantMolecularClouds
pref label: MOLECULAR CLOUDS @en
pref label: MOLELKULARWOLKEN @de
pref label: NUAGE MOLECULAIRE @fr
pref label: NUBES MOLECULARES
pref label: NUBI MOLECOLARI @it
related: InterstellarMolecules
related: MolecularHydrogen

MolecularHydrogen
type: Concept
broader: InterstellarMolecules
broader: Molecules
narrower: Orthohydrogen
narrower: Parahydrogen
pref label: HIDROGENO MOLECULAR
pref label: HYDROGENE MOLECULAIRE @fr
pref label: IDROGENO MOLECOLARE @it
pref label: MOLECULAR HYDROGEN @en
pref label: MOLEKULARER WASSERSTOFF @de
related: MolecularClouds

MolecularLines
type: Concept
broader: SpectralLines
pref label: LINEAS MOLECULARES
pref label: MOLECULAR LINES @en
pref label: MOLEKUELLINIEN @de
pref label: RAIE MOLECULAIRE @fr
pref label: RIGHE MOLECOLARI @it
related: FineStructure
related: LateTypeStars
related: MolecularAstrophysics
related: MolecularBands
related: SpectralBands

MolecularSpectra
type: Concept
broader: Spectra
narrower: PBranch
narrower: PhillipsBands
pref label: ESPECTROS MOLECULARES
pref label: MOLECULAR SPECTRA @en
pref label: MOLEKUELSPEKTREN @de
pref label: SPECTRE MOLECULAIRE @fr
pref label: SPETTRI MOLECOLARI @it
related: GBand
related: LateTypeStars
related: MolecularBands
related: Molecules
related: OrganicMolecules
related: QBranch
related: RamanSpectroscopy
related: SpectralBands
related: SwanBands
related: VibrationalSpectra
related: bBand

MolecularSpectroscopy
type: Concept
pref label: ESPECTROSCOPIA MOLECULAR
pref label: MOLECULAR SPECTROSCOPY @en
pref label: MOLEKUELSPEKTROSKOPIE @de
pref label: SPECTROSCOPIE MOLECULAIRE @fr
pref label: SPETTROSCOPIA MOLECOLARE @it
related: MolecularAstrophysics
scope note: See MOLECULAR SPECTRA.

Molecules
type: Concept
narrower: InterstellarMolecules
narrower: MolecularHydrogen
narrower: OrganicMolecules
pref label: MOLECOLE @it
pref label: MOLECULAS
pref label: MOLECULE @fr
pref label: MOLECULES @en
pref label: MOLEKUELE @de
related: MolecularSpectra

Momentum
type: Concept
pref label: IMPULS @de
pref label: MOMENTO
pref label: MOMENTUM @en
pref label: QUANTITA DI MOTO @it
pref label: QUANTITE DE MOUVEMENT @fr
related: AngularMomentum
related: Mass
related: Velocity

Monochromators
type: Concept
broader: MeasuringInstruments
broader: OpticalInstruments
pref label: MONOCHROMATEUR @fr
pref label: MONOCHROMATOREN @de
pref label: MONOCHROMATORS @en
pref label: MONOCROMADORES
pref label: MONOCROMATORI @it

MonteCarloTechniques
type: Concept
broader: DataProcessing
pref label: MONTE CARLO TECHNIQUES @en
pref label: MONTE CARLO-TECHNIKEN @de
pref label: TECHNIQUE DE MONTECARLO @fr
pref label: TECNICAS DE MONTE CARLO
pref label: TECNICHE MONTECARLO @it
related: Statistics

Moon
type: Concept
broader: Satellites
pref label: LUNA
pref label: LUNE @fr
pref label: MOND @de
pref label: MOON @en
related: AnomalisticMonth
related: Apogee
related: Craters
related: Crust
related: CrustalDynamics
related: Earthshine
related: EquationOfTheCenter
related: Libration
related: LunarDomes
related: LunarEclipse
related: LunarLaserRanging
related: LunarTheory
related: Mantles
related: Maria
related: Mascons
related: Moonquakes
related: Nutation
related: Occultations
related: Perigee
related: PhaseAngle
related: PhaseDefect
related: Rays
related: RegressionOfNodes
related: Selenology
related: SolarEclipse
related: SurfacesCelestialBodies
scope note: Earth's satellite. See under SATELLITES or PLANETS for more RTs. See also LUNAR.

Moonquakes
type: Concept
pref label: MONDBEBEN @de
pref label: MOONQUAKES @en
pref label: TERREMOTI LUNARI @it
pref label: TERREMOTOS LUNARES
pref label: TREMBLEMENT DE LUNE @fr
related: Earthquakes
related: Moon

Morphology
type: Concept
pref label: MORFOLOGIA
pref label: MORPHOLOGIE @de
pref label: MORPHOLOGY @en
related: Classification
scope note: Combine with other terms

Motion
type: Concept
narrower: ApparentSuperluminalMotion
narrower: ApsidalMotions
narrower: InternalMotions
narrower: OrbitalMotions
narrower: PolarMotion
narrower: ProperMotions
narrower: SolarMotion
narrower: SpaceMotion
narrower: StellarMotions
narrower: WaveMotion
pref label: BEWEGUNG @de
pref label: MOTION @en
pref label: MOTO @it
pref label: MOUVEMENT @fr
pref label: MOVIMIENTO
related: Orbits
related: Orreries
related: Planetaria
scope note: Combine with other terms

Mottles
type: Concept
pref label: ? @it
pref label: MOTAS
pref label: MOTTLES @en
pref label: MOTTLES ? @de
pref label: TACHETURE @fr
related: Chromosphere
related: Sun

MovingClusterParallax
type: Concept
alt label: Sternstromparallaxe @de
alt label: cluster parallax @en
alt label: paralaje de cumulo
alt label: parallasse d'ammasso @it
alt label: parallaxe d'amas @fr
broader: Parallaxes
pref label: MOVING CLUSTER PARALLAX @en
pref label: PARALAJE DE CUMULO EN MOVIMIENTO
pref label: PARALLASSE DI AMMASSO IN MOTO @it
pref label: PARALLAXE DES AMAS EN MOUVEMENT @fr
pref label: STERNSTROMPARALLAXE @de
related: DynamicalParallax
related: KinematicParallax
related: OpenStarClusters
related: ProperMotions
related: RadiantMovingCluster
related: SecularParallax

MRegions
type: Concept
broader: SolarCorona
pref label: M REGIONS @en
pref label: M-REGIONEN @de
pref label: REGION M @fr
pref label: REGIONES M
pref label: REGIONI M @it

MStars
type: Concept
broader: LateTypeStars
narrower: MDwarfStars
narrower: MGiantStars
narrower: MSubdwarfStars
narrower: MSubgiantStars
narrower: MSupergiantStars
narrower: MeStars
pref label: ESTRELLAS M
pref label: ETOILE M @fr
pref label: M STARS @en
pref label: M-STERNE @de
pref label: STELLE M @it
related: SpectralTypes

MSubdwarfStars
type: Concept
broader: MStars
broader: SubdwarfStars
pref label: ESTRELLAS SUBENANAS M
pref label: ETOILE M SOUS NAINE @fr
pref label: M SUBDWARF STARS @en
pref label: M-UNTERZWERGE @de
pref label: STELLE SUBNANE M @it

MSubgiantStars
type: Concept
broader: MStars
broader: SubgiantStars
pref label: ESTRELLAS SUBGIGANTES M
pref label: ETOILE M SOUS GEANTE @fr
pref label: M SUBGIANT STARS @en
pref label: M-UNTERRIESEN @de
pref label: STELLE SUBGIGANTI M @it
related: MGiantStars

MSupergiantStars
type: Concept
broader: LateTypeSupergiantStars
broader: MStars
pref label: ESTRELLAS SUPERGIGANTES M
pref label: ETOILE M SUPERGEANTE @fr
pref label: M SUPERGIANT STARS @en
pref label: M-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI M @it

MultichannelDetectors
type: Concept
broader: Detectors
narrower: CcdDetectors
narrower: DiodeArrays
narrower: ImageTubes
narrower: ReticonArrays
narrower: TelevisionDetectors
pref label: DETECTEUR MULTICANAUX @fr
pref label: DETECTORES MULTICANAL
pref label: MULTICHANNEL DETECTORS @en
pref label: RIVELATORI MULTICANALE @it
pref label: VIELKANALDETEKTOREN @de
related: ChargeCoupledDevices
related: MultichannelSpectrometers

MultichannelSpectrometers
type: Concept
broader: Spectrometers
pref label: ESPECTROMETROS MULTICANAL
pref label: MULTICHANNEL SPECTROMETERS @en
pref label: SPECTROMETRE MULTICANAUX @fr
pref label: SPETTROMETRI MULTICANALE @it
pref label: VIELKANALSPEKTROMETER @de
related: MultichannelDetectors

MultiperiodicPulsation
type: Concept
narrower: DoubleModePulsation
pref label: MULTIPERIODIC PULSATION @en
pref label: PULSACION MULTIPERIODICA
pref label: PULSATION MIT MEHRFACHER PERIODE @de
pref label: PULSATION MULTI PERIODIQUE @fr
pref label: PULSAZIONE MULTIPERIODICA @it
related: FourierAnalysis
related: FrequencyAnalysis
related: MultiperiodicVariableStars
related: PulsatingVariableStars
related: PulsationModes

MultiperiodicVariableStars
type: Concept
broader: PulsatingVariableStars
narrower: BetaCepheiStars
narrower: DeltaScutiStars
narrower: DoubleModeVariableStars
narrower: DwarfCepheids
narrower: RsCanumVenaticorumStars
narrower: SxPhoenicisStars
narrower: ZzCetiStars
pref label: ESTRELLAS VARIABLES MULTIPERIODICAS
pref label: ETOILE VARIABLE MULTI PERIODIQUE @fr
pref label: MULTIPERIODIC VARIABLE STARS @en
pref label: STELLE VARIABILI MULTIPERIODICHE @it
pref label: VERAENDERLICHE MIT MEHRFACHER PERIODE @de
related: MultiperiodicPulsation
related: OvertoneFrequencies
related: OvertoneModes
related: PulsationModes

MultipleGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE MULTIPLE @it
pref label: GALAXIAS MULTIPLES
pref label: GALAXIE MULTIPLE @fr
pref label: MEHRFACHGALAXIEN @de
pref label: MULTIPLE GALAXIES @en
related: ClustersOfGalaxies
related: GroupsOfGalaxies

MultipleMirrorTelescopes
type: Concept
alt label: mmt
broader: NewTechnologyTelescopes
broader: OpticalTelescopes
broader: ReflectingTelescopes
pref label: MEHRFACHSPIEGELTELESKOPE @de
pref label: MULTIPLE MIRROR TELESCOPES @en
pref label: TELESCOPE A MIROIRS MULTIPLES @fr
pref label: TELESCOPI A SPECCHI MULTIPLI @it
pref label: TELESCOPIOS CON ESPEJOS MULTIPLES
related: ActiveOptics
related: SegmentedOptics
related: VeryLargeTelescopes

MultipleStars
type: Concept
alt label: Dreifachsterne @de
alt label: estrellas triples
alt label: etoile triple @fr
alt label: stelle triple @it
alt label: triple stars @en
pref label: ESTRELLAS MULTIPLES
pref label: ETOILE MULTIPLE @fr
pref label: MEHRFACHSTERNE @de
pref label: MULTIPLE STARS @en
pref label: STELLE MULTIPLE @it
related: BinaryStars
related: CompanionStars
related: OrbitDetermination
related: Orbits

Muons
type: Concept
broader: Leptons
pref label: MUON @fr
pref label: MUONES
pref label: MUONI; MESONI MU @it
pref label: MUONS @en
pref label: MYONEN @de

Nadir
type: Concept
broader: Poles
pref label: NADIR
related: HorizonCoordinateSystem
related: Zenith

NakedSingularity
type: Concept
broader: Singularity
pref label: NACKTE SINGULARITAET @de
pref label: NAKED SINGULARITY @en
pref label: SINGOLARITA NUDA @it
pref label: SINGULARIDAD DESNUDA
pref label: SINGULARITE NUE @fr
related: BlackHoles
related: QuantumCosmology
related: SpacetimeSingularity
related: WhiteHoles

NarrowBandPhotometry
type: Concept
broader: CcdPhotometry
broader: PhotoelectricPhotometry
narrower: HAlphaPhotometry
narrower: HBetaPhotometry
pref label: FOTOMETRIA A BANDA STRETTA @it
pref label: FOTOMETRIA DE BANDA ANGOSTA
pref label: NARROW BAND PHOTOMETRY @en
pref label: PHOTOMETRIE A BANDE ETROITE @fr
pref label: SCHMALBANDIGE PHOTOMETRIE @de
related: BroadBandPhotometry
related: MediumBandPhotometry

NasmythFocus
type: Concept
broader: Focus
pref label: FOCO NASMYTH
pref label: FOYER NASMYTH @fr
pref label: FUOCO NASMYTH @it
pref label: NASMYTH FOCUS @en
pref label: NASMYTH-BRENNPUNKT @de
related: CassegrainFocus
related: CoudeFocus
related: NewtonianFocus
related: PrimeFocus

NaturalLineBroadening
type: Concept
broader: LineBroadening
pref label: ALLARGAMENTO NATURALE DELLE RIGHE @it
pref label: ELARGISSEMENT NATUREL DES RAIES @fr
pref label: ENSANCHAMIENTO NATURAL DE LA LINEA
pref label: NATUERLICHE LINIENVERBREITERUNG @de
pref label: NATURAL LINE BROADENING @en
related: NaturalLineWidth
related: SpectralLines

NaturalLineWidth
type: Concept
broader: LineWidths
pref label: ANCHO NATURAL DE LA LINEA
pref label: LARGEUR NATURELLE DES RAIES @fr
pref label: LARGHEZZA NATURALE DELLE RIGHE @it
pref label: NATUERLICHE LINIENBREITE @de
pref label: NATURAL LINE WIDTH @en
related: DopplerBroadening
related: LineBroadening
related: NaturalLineBroadening
related: PressureBroadening
related: SpectralLines
related: StarkBroadening
related: ZeemanSplitting

NBodyProblem
type: Concept
alt label: Vielkoerperproblem @de
alt label: many body problem @en
alt label: problema de muchos cuerpos
alt label: problema dei molti corpi @it
alt label: probleme a n corps @fr
pref label: N BODY PROBLEM @en
pref label: N-KOERPER-PROBLEM @de
pref label: PROBLEM DE N CUERPOS
pref label: PROBLEMA DEGLI N CORPI @it
pref label: PROBLEME A N CORPS @fr
related: CelestialMechanics
related: Orbits
related: Perturbation
related: StellarDynamics
related: ThreeBodyProblem
related: TwoBodyProblem

NearbyDwarfStars
type: Concept
broader: DwarfStars
broader: NearbyStars
pref label: ESTRELLAS ENANAS CERCANAS
pref label: NAHE ZWERGSTERNE @de
pref label: NAINE PROCHE @fr
pref label: NEARBY DWARF STARS @en
pref label: STELLE NANE VICINE @it

NearbyGalaxies
type: Concept
broader: Galaxies
narrower: LocalGroupOfGalaxies
narrower: MagellanicClouds
pref label: GALASSIE VICINE @it
pref label: GALAXIAS CERCANAS
pref label: GALAXIES PROCHES @fr
pref label: NAHE GALAXIEN @de
pref label: NEARBY GALAXIES @en
related: BrightGalaxies

NearbyStars
type: Concept
narrower: NearbyDwarfStars
pref label: ESTRELLAS CERCANAS
pref label: ETOILE PROCHE @fr
pref label: NAHE STERNE @de
pref label: NEARBY STARS @en
pref label: STELLE VICINE @it
related: TrigonometricParallax

NearEarthAsteroids
type: Concept
broader: MinorPlanets
pref label: ASTEROIDE FROLANT LA TERRE @fr
pref label: ASTEROIDES CERCANOS A LA TIERRA
pref label: ASTEROIDI TERRESTRI @it
pref label: ERDNAHE ASTEROIDEN @de
pref label: NEAR EARTH ASTEROIDS @en

NearInfraredRadiation
type: Concept
broader: InfraredRadiation
pref label: NAHE INFRAROTSTRAHLUNG @de
pref label: NEAR INFRARED RADIATION @en
pref label: RADIACION INFRARROJA CERCANA
pref label: RADIAZIONE INFRAROSSA VICINA @it
pref label: RAYONNEMENT INFRAROUGE PROCHE @fr
related: FarInfraredRadiation
related: HMagnitude
related: IMagnitude
related: InfraredPhotometry
related: JMagnitude
related: KMagnitude
related: LMagnitude

NearUltravioletRadiation
type: Concept
broader: UltravioletRadiation
pref label: NAHE ULTRAVIOLETTSTRAHLUNG @de
pref label: NEAR ULTRAVIOLET RADIATION @en
pref label: RADIACION ULTRAVIOLETA CERCANA
pref label: RADIAZIONE ULTRAVIOLETTA VICINA @it
pref label: RAYONNEMENT UV PROCHE @fr
related: ExtremeUltravioletRadiation
related: FarUltravioletRadiation

Nebulae
type: Concept
broader: InterstellarMatter
narrower: BipolarNebulae
narrower: BrightNebulae
narrower: CompactNebulae
narrower: DarkNebulae
narrower: DenseClouds
narrower: DenseMatter
narrower: DiffuseNebulae
narrower: DustNebulae
narrower: EmissionNebulae
narrower: FilamentaryNebulae
narrower: GaseousNebulae
narrower: PlanetaryNebulae
narrower: ReflectionNebulae
narrower: RingNebulae
pref label: NEBEL @de
pref label: NEBULAE @en
pref label: NEBULEUSE @fr
pref label: NEBULOSAS
pref label: NEBULOSE @it
related: FilamentsNebulae
related: ForbiddenLines
related: ForbiddenTransitions
related: HIiRegions
related: OpikTheory
related: SurfacePhotometry
scope note: Named nebulae not included. NOT including galaxies

NegativeHIon
type: Concept
alt label: H-Minus-Ion @de
alt label: h minus ion @en
alt label: ion H moins @fr
alt label: ion h menos
alt label: ione h negativo @it
pref label: ION H MOINS / ION H- @fr
pref label: ION H NEGATIVO
pref label: IONE H NEGATIVO @it
pref label: NEGATIVE H ION @en
pref label: NEGATIVES H ION @de
related: Opacity
related: StellarAtmospheres

Neighborhood
type: Concept
pref label: NEIGHBORHOOD @en
pref label: UMGEBUNG @de
pref label: VECINDAD
pref label: VICINANZE @it
pref label: VOISINAGE @fr
scope note: Combine with other terms

NeumannLines
type: Concept
pref label: LINEAS DE NEUMANN
pref label: LINEE DI NEUMANN @it
pref label: NEUMANN LINES @en
pref label: NEUMANN-LINIEN @de
pref label: RAIE DE NEUMANN @fr
related: EmissionLines
related: EmissionSpectra
related: Meteorites

NeutralGases
type: Concept
broader: Gases
narrower: NeutralHydrogen
pref label: GAS NEUTRI @it
pref label: GASES NEUTROS
pref label: GAZ NEUTRE @fr
pref label: NEUTRAL GASES @en
pref label: NEUTRALE GASE @de
related: HIRegions

NeutralHydrogen
type: Concept
alt label: H I
alt label: HI @de
broader: NeutralGases
pref label: HIDROGENO NEUTRO
pref label: HYDROGENE NEUTRE @fr
pref label: IDROGENO NEUTRO @it
pref label: NEUTRAL HYDROGEN @en
pref label: NEUTRALER WASSERSTOFF @de
related: 21CmLine

Neutrinos
type: Concept
broader: ElementaryParticles
broader: Leptons
broader: Particles
pref label: NEUTRINI @it
pref label: NEUTRINO @fr
pref label: NEUTRINOS
related: Antineutrinos
related: SolarNeutrinoProblem
related: Supernovas

Neutrons
type: Concept
broader: ElementaryParticles
broader: FundamentalParticles
pref label: NEUTRON @fr
pref label: NEUTRONEN @de
pref label: NEUTRONES
pref label: NEUTRONI @it
pref label: NEUTRONS @en
related: AlphaParticles
related: NucleiAtoms

NeutronStars
type: Concept
broader: CollapsedStars
broader: CompactObjects
broader: DegenerateStars
broader: RelativisticStars
narrower: HzHerculisStars
pref label: ESTRELLAS NEUTRONICAS
pref label: ETOILE A NEUTRONS @fr
pref label: NEUTRON STARS @en
pref label: NEUTRONENSTERNE @de
pref label: STELLE DI NEUTRONI @it
related: AlfvenSurface
related: Pulsars
related: Quarks
related: RelativisticAstrophysics
related: SupernovaRemnants
related: XRayBinaryStars
related: XRayBursts
related: XRayPulsars

NewTechnologyTelescopes
type: Concept
broader: OpticalTelescopes
narrower: MultipleMirrorTelescopes
narrower: VeryLargeTelescopes
pref label: NEUE TECHNOLOGIE TELESKOPE @de
pref label: NEW TECHNOLOGY TELESCOPES @en
pref label: TELESCOPE DE NOUVELLES TECHNOLOGIES @fr
pref label: TELESCOPI DI NUOVA TECNOLOGIA @it
pref label: TELESCOPIOS DE NUEVA TECNOLOGIA
related: Computers
related: ControlSystems

NewtonianFocus
type: Concept
alt label: Newton-Teleskope @de
alt label: TELESCOPIOS NEWTONIANOS
alt label: newtonian telescopes @en
alt label: telescope de newton @fr
alt label: telescopi newtoniani @it
broader: Focus
pref label: FOCO NEWTONIANO
pref label: FOYER NEWTON @fr
pref label: FUOCO NEWTONIANO @it
pref label: NEWTON-BRENNPUNKT @de
pref label: NEWTONIAN FOCUS @en
related: CassegrainFocus
related: CoudeFocus
related: NasmythFocus

NewtonianGravitation
type: Concept
pref label: GRAVITACION NEWTONIANA
pref label: GRAVITATION NEWTONIENNE @fr
pref label: GRAVITAZIONE NEWTONIANA @it
pref label: NEWTONIAN GRAVITATION @en
pref label: NEWTONSCHE GRAVITATION @de
related: GeneralTheoryOfRelativity
related: GravitationalConstant
related: GravitationalForce

NGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE N @it
pref label: GALAXIAS N
pref label: GALAXIE N @fr
pref label: N GALAXIES @en
pref label: N-GALAXIEN @de
related: CompactGalaxies
related: GalacticNuclei
related: GiantRadioGalaxies

NightSkyBrightness
type: Concept
alt label: Hintergrundhelligkeit des Nachthimmels @de
alt label: fond de ciel nocturne @fr
alt label: fondo de cielo nocturno
alt label: fondo del cielo notturno @it
alt label: night sky background @en
broader: SkyBrightness
pref label: BRILLANCE DU CIEL NOCTURNE @fr
pref label: BRILLANZA DEL CIELO NOTTURNO @it
pref label: BRILLO DEL CIELO NOCTURNO
pref label: HELLIGKEIT DES NACHTHIMMELS @de
pref label: NIGHT SKY BRIGHTNESS @en
related: Airglow
related: Auroras
related: Gegenschein
related: Rayleigh
related: RayleighScattering
related: ZodiacalLight

NightVision
type: Concept
pref label: NACHTSEHEN @de
pref label: NIGHT VISION @en
pref label: VISION DE NUIT @fr
pref label: VISION NOCTURNA
pref label: VISIONE NOTTURNA @it
related: DarkAdaption

NMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD N
pref label: MAGNITUDE N @fr
pref label: MAGNITUDI N @it
pref label: N MAGNITUDE @en
pref label: N-HELLIGKEIT @de
related: FarInfraredRadiation
related: InfraredPhotometry

NoctilucentClouds
type: Concept
broader: Clouds
pref label: LEUCHTENDE NACHTWOLKEN @de
pref label: NOCTILUCENT CLOUDS @en
pref label: NUAGE NOCTURNE LUMINEUX @fr
pref label: NUBES NOCTILUCENTES
pref label: NUBI NOTTILUCENTI @it
related: EarthAtmosphere
related: Luminescence
scope note: In earth's atmosphere.

Nodes
type: Concept
alt label: Absteigende Knoten @de
alt label: Aufsteigende Knoten @de
alt label: Knotenlinie @de
alt label: ascending nodes @en
alt label: descending nodes @en
alt label: ligne des noeuds @fr
alt label: line of nodes @en
alt label: linea de nodos
alt label: linea dei nodi @it
alt label: nodi ascendenti @it
alt label: nodi discendenti @it
alt label: nodos ascendentes
alt label: nodos descendentes
alt label: noeud ascendant @fr
alt label: noeud descendant @fr
pref label: KNOTENPUNKTE @de
pref label: NODES @en
pref label: NODI @it
pref label: NODOS
pref label: NOEUD @fr
related: Inclination
related: Orbits
related: Vibration

Noise
type: Concept
alt label: Interferenz [Rauchen] @de
alt label: interference [bruit] @fr
alt label: interference [noise] @en
alt label: interferencia [ruido]
alt label: interferenza [rumore] @it
narrower: BackgroundNoise
narrower: CosmicNoise
narrower: ShotNoise
narrower: SkyNoise
pref label: BRUIT @fr
pref label: GERAEUSCH / RAUSCHEN @de
pref label: NOISE @en
pref label: RUIDO
pref label: RUMORE @it
related: IntegrationTime
related: SignalToNoiseRatio
scope note: Combine with other terms

Nomenclature
type: Concept
pref label: NOMENCLATURA
pref label: NOMENCLATURE @fr
pref label: NOMENKLATUR @de
related: Catalogs
related: Classification

NonequilibriumFlow
type: Concept
broader: Flow
pref label: FLUJO FUERO DE EQUILIBRIO
pref label: FLUSSO DI NON EQUILIBRIO @it
pref label: FLUX HORS EQUILIBRE @fr
pref label: NICHTGLEICHGEWICHTS-STROEMUNG @de
pref label: NONEQUILIBRIUM FLOW @en
related: FlowInstability

NonlteTransfer
type: Concept
pref label: NON-LTE UEBERTRAGUNG @de
pref label: NONLTE TRANSFER @en
pref label: TRANSFERENCIA NO LTE
pref label: TRANSFERT HORS ETL @fr
pref label: TRASFERIMENTO NON LTE @it
related: EnergyTransfer
related: LocalThermodynamicEquilibrium
related: RadiationMechanisms

NonmainsequenceStars
type: Concept
narrower: EvolvedStars
narrower: PostmainsequenceStars
narrower: PremainsequenceStars
pref label: ESTRELLAS FUERA DE SECUENCIA PRINCIPAL
pref label: ETOILE HORS SERIE PRINCIPALE @fr
pref label: NICHT-HAUPTREIHENSTERNE @de
pref label: NONMAINSEQUENCE STARS @en
pref label: STELLE FUORI FREQUENZA PRINCIPALE @it
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

NonradialPulsations
type: Concept
pref label: NICHTRADIALE PULSATIONEN @de
pref label: NONRADIAL PULSATIONS @en
pref label: PULSACIONES NO RADIALES
pref label: PULSATION NON RADIALE @fr
pref label: PULSAZIONI NON RADIALI @it
related: BetaCepheiStars
related: DeltaScutiStars
related: PulsatingVariableStars
related: PulsationModes
related: ZzCetiStars

NonthermalParticles
type: Concept
pref label: NICHTTHERMISCHE TEILCHEN @de
pref label: NONTHERMAL PARTICLES @en
pref label: PARTICELLE NON TERMICHE @it
pref label: PARTICULAS NO TERMICAS
pref label: PARTICULE NON THERMIQUE @fr
related: NonthermalSources

NonthermalRadiation
type: Concept
pref label: NICHTTHERMISCHE STRAHLUNG @de
pref label: NONTHERMAL RADIATION @en
pref label: RADIACION NO TERMICA
pref label: RADIAZIONE NON TERMICA @it
pref label: RAYONNEMENT NON THERMIQUE @fr
related: NonthermalSources

NonthermalSources
type: Concept
pref label: FUENTES NO TERMICAS
pref label: NICHTTHERMISCHE QUELLEN @de
pref label: NONTHERMAL SOURCES @en
pref label: SORGENTI NON TERMICHE @it
pref label: SOURCE NON THERMIQUE @fr
related: NonthermalParticles
related: NonthermalRadiation
related: SynchrotronRadiation

NorthCelestialPole
type: Concept
broader: CelestialPoles
pref label: HIMMELSNORDPOL @de
pref label: NORTH CELESTIAL POLE @en
pref label: POLE CELESTE NORD @fr
pref label: POLO NORD CELESTE @it
pref label: POLO NORTE CELESTE
related: SouthCelestialPole

NorthernHemisphere
type: Concept
pref label: EMISFERO SETTENTRIONALE @it
pref label: HEMISFERIO NORTE
pref label: HEMISPHERE NORD @fr
pref label: NORDHALBKUGEL @de
pref label: NORTHERN HEMISPHERE @en
related: SouthernHemisphere

NorthGalacticPole
type: Concept
broader: GalacticPoles
pref label: GALAKTISCHER NORDPOL @de
pref label: NORTH GALACTIC POLE @en
pref label: POLE GALACTIQUE NORD @fr
pref label: POLO NORD GALATTICO @it
pref label: POLO NORTE GALACTICO
related: SouthGalacticPole

Novas
type: Concept
alt label: nova symbiotique @fr
alt label: novae simbiotiche @it
alt label: novas simbioticas
alt label: praenovae @de
alt label: prenova @fr
alt label: prenovae @it
alt label: prenovas
alt label: symbiotic novas @en
alt label: symbiotische Novae @de
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: HighLuminosityStars
narrower: FastNovas
narrower: RecurrentNovas
narrower: SlowNovas
narrower: XRayNovas
pref label: NOVA @fr
pref label: NOVAE @it
pref label: NOVAS
related: MassLoss
related: OpticalOutbursts
related: Progenitors
related: Supernovas

Novoids
type: Concept
broader: SlowNovas
pref label: NOVAAEHNLICHE VERAENDERLICHE @de
pref label: NOVOIDE @fr
pref label: NOVOIDI @it
pref label: NOVOIDS @en
pref label: NOVOIDS?

NStars
type: Concept
broader: LateTypeStars
pref label: ESTRELLAS N
pref label: ETOILE N @fr
pref label: N STARS @en
pref label: N-STERNE @de
pref label: STELLE N @it
related: SpectralTypes
related: TechnetiumStars

NuclearAstrophysics
type: Concept
pref label: ASTROFISICA NUCLEAR
pref label: ASTROFISICA NUCLEARE @it
pref label: ASTROPHYSIQUE NUCLEAIRE @fr
pref label: NUCLEAR ASTROPHYSICS @en
pref label: NUKLEARE ASTROPHYSIK @de
related: HighEnergyAstrophysics
related: NuclearPhysics

NuclearFission
type: Concept
alt label: FISION
alt label: Spaltung @de
alt label: fission @fr
alt label: fissione @it
broader: NuclearReactions
pref label: FISION NUCLEAR
pref label: FISSION NUCLEAIRE @fr
pref label: FISSIONE NUCLEARE @it
pref label: KERNSPALTUNG @de
pref label: NUCLEAR FISSION @en
related: Radioactivity

NuclearFusion
type: Concept
alt label: Fusion / Verschmelzung @de
alt label: fusion
alt label: fusione @it
broader: NuclearReactions
narrower: CarbonBurning
narrower: HeliumBurning
narrower: OxygenBurning
narrower: SiliconBurning
pref label: FUSION NUCLEAIRE @fr
pref label: FUSION NUCLEAR
pref label: FUSIONE NUCLEARE @it
pref label: KERNVERSCHMELZUNG @de
pref label: NUCLEAR FUSION @en
related: CarbonFlash
related: CarbonNitrogenCycle
related: HeliumFlash
related: HeliumShellFlash
related: HydrogenBurning
related: ProtonProtonReaction
related: ShellBurning
related: StellarInteriors
related: Supernovas
related: eProcess

NuclearPhysics
type: Concept
pref label: FISICA NUCLEAR
pref label: FISICA NUCLEARE @it
pref label: KERNPHYSIK @de
pref label: NUCLEAR PHYSICS @en
pref label: PHYSIQUE NUCLEAIRE @fr
related: Interactions
related: NuclearAstrophysics
related: NuclearRadiation
related: NuclearReactions
related: StrongInteractions
related: WeakInteractions

NuclearRadiation
type: Concept
narrower: AlphaParticles
narrower: Electrons
narrower: GammaRays
narrower: Positrons
pref label: KERNSTRAHLUNG @de
pref label: NUCLEAR RADIATION @en
pref label: RADIACION NUCLEAR
pref label: RADIAZIONE NUCLEARE @it
pref label: RAYONNEMENT NUCLEAIRE @fr
related: CerenkovRadiation
related: NuclearPhysics

NuclearReactions
type: Concept
narrower: NuclearFission
narrower: NuclearFusion
narrower: UrcaProcesses
pref label: KERNREAKTIONEN @de
pref label: NUCLEAR REACTIONS @en
pref label: REACCIONES NUCLEARES
pref label: REACTION NUCLEAIRE @fr
pref label: REAZIONI NUCLEARI @it
related: CarbonBurning
related: NuclearPhysics
related: Nucleosynthesis
related: SolarNeutrinoProblem

NucleiAtoms
type: Concept
narrower: BoseEinsteinNuclei
narrower: FermiDiracNuclei
pref label: ATOMKERNE @de
pref label: NOYAU [ATOME] @fr
pref label: NUCLEI [ATOMI] @it
pref label: NUCLEI [ATOMS] @en
pref label: NUCLEOS [ATOMOS]
related: Neutrons
related: Protons

NucleiCelestialObjects
type: Concept
narrower: CompactNuclei
narrower: GalacticNuclei
pref label: KERN [EINES HIMMELKOERPERS] @de
pref label: NOYAU [OBJET CELESTE] @fr
pref label: NUCLEI [CELESTIAL OBJECTS] @en
pref label: NUCLEI [OGGETTI CELESTI] @it
pref label: NUCLEOS [OBJETOS CELESTES]
related: Comets
related: DirtySnowballTheory
related: cDGalaxies
scope note: Combine with other terms

Nucleosynthesis
type: Concept
narrower: CarbonBurning
narrower: HeliumBurning
narrower: HydrogenBurning
narrower: OxygenBurning
narrower: SiliconBurning
pref label: NUCLEOSINTESI @it
pref label: NUCLEOSINTESIS
pref label: NUCLEOSYNTHESE @fr
pref label: NUCLEOSYNTHESIS @en
pref label: NUKLEOSYNTHESE @de
related: NuclearReactions
related: StellarInteriors
related: Supernovas
related: pProcess
related: rProcess
related: sProcess

NumericalAnalysis
type: Concept
broader: DataProcessing
pref label: ANALISI NUMERICA @it
pref label: ANALISIS NUMERICO
pref label: ANALYSE NUMERIQUE @fr
pref label: NUMERICAL ANALYSIS @en
pref label: NUMERISCHE ANALYSE @de
related: NumericalIntegration
related: NumericalMethods
related: NumericalSimulation

NumericalIntegration
type: Concept
pref label: INTEGRACION NUMERICA
pref label: INTEGRATION NUMERIQUE @fr
pref label: INTEGRAZIONE NUMERICA @it
pref label: NUMERICAL INTEGRATION @en
pref label: NUMERISCHE INTEGRATION @de
related: NumericalAnalysis
related: NumericalMethods

NumericalMethods
type: Concept
pref label: METHODE NUMERIQUE @fr
pref label: METODI NUMERICI @it
pref label: METODOS NUMERICOS
pref label: NUMERICAL METHODS @en
pref label: NUMERISCHE METHODEN @de
related: NumericalAnalysis
related: NumericalIntegration
related: NumericalSimulation

NumericalSimulation
type: Concept
pref label: NUMERICAL SIMULATION @en
pref label: NUMERISCHE SIMULATION @de
pref label: SIMULACION NUMERICA
pref label: SIMULATION NUMERIQUE @fr
pref label: SIMULAZIONE NUMERICA @it
related: ComputerModels
related: Models
related: NumericalAnalysis
related: NumericalMethods

Nutation
type: Concept
pref label: NUTACION
pref label: NUTATION @de
pref label: NUTAZIONE @it
related: EarthRotation
related: EquationOfTheEquinoxes
related: Moon
related: PolarMotion
related: Precession

OAssociations
type: Concept
broader: StarAssociations
pref label: ASOCIACIONES O
pref label: ASSOCIATION O @fr
pref label: ASSOCIAZIONI O @it
pref label: O ASSOCIATIONS @en
pref label: O-ASSOZIATIONEN @de
related: OClusters
related: ObAssociations

ObAssociations
type: Concept
broader: StarAssociations
pref label: ASOCIACIONES OB
pref label: ASSOCIATION OB @fr
pref label: ASSOCIAZIONI OB @it
pref label: OB ASSOCIATIONS @en
pref label: OB-ASSOZIATIONEN @de
related: OAssociations
related: YoungStars

ObjectiveGratings
type: Concept
broader: DiffractionGratings
broader: TransmissionGratings
pref label: OBJECTIVE GRATINGS @en
pref label: OBJEKTIVGITTER @de
pref label: REDES DE DIFRACCION DEL OBJECTIVO
pref label: RESEAU OBJECTIF @fr
pref label: RETICOLI OBIETTIVI @it
related: EchelleGratings
related: ReflectionGratings

ObjectivePrisms
type: Concept
broader: Prisms
pref label: OBJECTIVE PRISMS @en
pref label: OBJEKTIVPRISMEN @de
pref label: PRISMAS OBJECTIVOS
pref label: PRISME OBJECTIF @fr
pref label: PRISMI OBIETTIVI @it
related: SchmidtTelescopes

Objectives
type: Concept
narrower: PrimaryLenses
narrower: PrimaryMirrors
pref label: "OBIETTIVI [OTTICA, TELESCOPI]" @it
pref label: OBJECTIF [optique d'un telescope] @fr
pref label: OBJECTIVES @en
pref label: OBJEKTIVE @de
pref label: OBJETIVOS
related: OpticalTelescopes
scope note: Primary optics of telescopes.

Oblateness
type: Concept
pref label: ABPLATTUNG @de
pref label: ACHATAMIENTO
pref label: APLATISSEMENT @fr
pref label: OBLATENESS @en
pref label: SCHIACCIATURA AI POLI @it
related: EllipticalGalaxies
related: EquatorialBulge
related: Planets
related: Rotation

ObliqueRotators
type: Concept
pref label: OBLIQUE ROTATORS @en
pref label: ROTADORES OBLICUOS
pref label: ROTATEUR OBLIQUE @fr
pref label: ROTATORI OBLIQUI @it
pref label: SCHIEFE ROTATOREN @de
related: ApStars
related: MagneticStars
related: SpectrumVariableStars

ObliquityOfEcliptic
type: Concept
alt label: Schiefe @de
alt label: oblicuidad
alt label: obliquita @it
alt label: obliquite @fr
alt label: obliquity @en
pref label: OBLICUIDAD DE LA ECLIPTICA
pref label: OBLIQUITA DELL'ECLITTICA @it
pref label: OBLIQUITE DE L'ECLIPTIQUE @fr
pref label: OBLIQUITY OF ECLIPTIC @en
pref label: SCHIEFE DER EKLIPTIK @de
related: CelestialEquator
related: Ecliptic
related: EclipticPlane
related: PhaseDefect
related: Precession

ObservationalCosmology
type: Concept
pref label: BEOBACHTENDE KOSMOLOGIE @de
pref label: COSMOLOGIA OBSERVACIONAL
pref label: COSMOLOGIA OSSERVATIVA @it
pref label: COSMOLOGIE OBSERVATIONNELLE @fr
pref label: OBSERVATIONAL COSMOLOGY @en
related: ColorRedshiftRelation
related: CosmologicalDistanceScale
related: GalaxyCounts
related: GalaxyDistribution
related: HubbleLaw
related: Observations
related: RadioSourceCounts
related: Redshift
related: RedshiftDistanceRelation

Observations
type: Concept
narrower: OpticalObservations
pref label: BEOBACHTUNGEN @de
pref label: OBSERVACIONES
pref label: OBSERVATION @fr
pref label: OBSERVATIONS @en
pref label: OSSERVAZIONI @it
related: DataAcquisition
related: ObservationalCosmology
related: ObservingTechniques
related: Research
scope note: Combine with other terms

Observatories
type: Concept
narrower: AntarcticObservatories
narrower: GammaRayObservatories
narrower: GeophysicalObservatories
narrower: InfraredObservatories
narrower: OpticalObservatories
narrower: RadioObservatories
narrower: SpaceObservatories
pref label: OBSERVATOIRE @fr
pref label: OBSERVATORIES @en
pref label: OBSERVATORIOS
pref label: OSSERVATORI @it
pref label: STERNWARTEN / OBSERVATORIEN @de
related: Domes
related: Planetaria
related: SiteProtection
related: SiteTesting
related: Telescopes
related: XRayObservatories
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

ObservingTechniques
type: Concept
alt label: Beobachtungsmethoden @de
alt label: methode d'observation @fr
alt label: methods of observation @en
alt label: metodi osservativi @it
alt label: metodos de observacion
narrower: Astrometry
narrower: Interferometry
narrower: Photometry
narrower: Polarimetry
narrower: RadioAstrometry
narrower: RadioInterferometry
narrower: Spectrometry
narrower: Spectrophotometry
narrower: Spectroscopy
pref label: BEOBACHTUNGSTECHNIKEN @de
pref label: OBSERVING TECHNIQUES @en
pref label: TECHNIQUE D'OBSERVATION @fr
pref label: TECNICAS DE OBSERVACION
pref label: TECNICHE OSSERVATIVE @it
related: AstronomicalTechniques
related: DataAcquisition
related: DataProcessing
related: Observations
related: Occultations
related: Photography
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

ObStars
type: Concept
broader: EarlyTypeStars
broader: YoungStars
narrower: BStars
narrower: OStars
narrower: ObSupergiantStars
pref label: ESTRELLAS OB
pref label: ETOILE OB @fr
pref label: OB STARS @en
pref label: OB-STERNE @de
pref label: STELLE OB @it
related: RunawayStars
related: YoungStarClusters

ObSupergiantStars
type: Concept
broader: EarlyTypeSupergiantStars
broader: ObStars
narrower: BSupergiantStars
narrower: OSupergiantStars
pref label: ESTRELLAS SUPERGIGANTES OB
pref label: ETOILE OB SUPERGEANTE @fr
pref label: OB SUPERGIANT STARS @en
pref label: OB-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI OB @it

Occultations
type: Concept
narrower: RadioOccultations
pref label: BEDECKUNGEN @de
pref label: OCCULTATION @fr
pref label: OCCULTATIONS @en
pref label: OCCULTAZIONI @it
pref label: OCULTACIONES
related: AngularDiameters
related: BinaryStars
related: Diameters
related: Eclipses
related: Moon
related: ObservingTechniques
related: Planets
related: Transits

OccultingDisk
type: Concept
pref label: ABDECKSCHEIBE @de
pref label: DISCO OCCULTATORE @it
pref label: DISCO OCULTANTE
pref label: DISQUE OCCULTANT @fr
pref label: OCCULTING DISK @en
related: Separation
related: VisualBinaryStars

Oceanography
type: Concept
pref label: OCEANOGRAFIA
pref label: OCEANOGRAPHIE @fr
pref label: OCEANOGRAPHY @en
pref label: OZEANOGRAPHIE @de
related: OceanTides

OceanTides
type: Concept
broader: Tides
pref label: GEZEITEN @de
pref label: MAREAS OCEANICAS
pref label: MAREE OCEANICHE @it
pref label: MAREE OCEANIQUE @fr
pref label: OCEAN TIDES @en
related: Oceanography

OClusters
type: Concept
broader: OpenStarClusters
pref label: AMAS O @fr
pref label: AMMASSI O @it
pref label: CUMULOS O
pref label: O CLUSTERS @en
pref label: O-(STERN)HAUFEN @de
related: BStars
related: OAssociations
related: OStars

ODwarfStars
type: Concept
broader: DwarfStars
broader: OStars
pref label: ESTRELLAS ENANAS O
pref label: ETOILE O NAINE @fr
pref label: O DWARF STARS @en
pref label: O-ZWERGSTERNE @de
pref label: STELLE NANE O @it

OefStars
type: Concept
broader: EarlyTypeEmissionStars
broader: OStars
pref label: ESTRELLAS Oef
pref label: ETOILE Oef @fr
pref label: Oef STARS @en
pref label: Oef-STERNE @de
pref label: STELLE Oef @it
related: EarlyTypeStars
related: OfStars

OeStars
type: Concept
broader: EarlyTypeEmissionStars
broader: OStars
pref label: ESTRELLAS Oe
pref label: ETOILE Oe @fr
pref label: Oe STARS @en
pref label: Oe-STERNE @de
pref label: STELLE Oe @it

OfStars
type: Concept
broader: EarlyTypeEmissionStars
broader: OStars
pref label: ESTRELLAS Of
pref label: ETOILE Of @fr
pref label: Of STARS @en
pref label: Of-STERNE @de
pref label: STELLE Of @it
related: OefStars

OGiantStars
type: Concept
broader: OStars
pref label: ESTRELLAS GIGANTES O
pref label: ETOILE O GEANTE @fr
pref label: O GIANT STARS @en
pref label: O-RIESENSTERNE @de
pref label: STELLE GIGANTI O @it

OhAbsorption
type: Concept
broader: InterstellarAbsorption
pref label: ABSORCION DE OH
pref label: ABSORPTION OH @fr
pref label: ASSORBIMENTO DI OH @it
pref label: OH ABSORPTION @en
pref label: OH-ABSORPTION @de
related: HydroxylRadical

OhClouds
type: Concept
broader: InterstellarMatter
pref label: NUAGE OH @fr
pref label: NUBES DE OH
pref label: NUBI DI OH @it
pref label: OH CLOUDS @en
pref label: OH-WOLKEN @de
related: HydroxylRadical

OhEmission
type: Concept
pref label: EMISION DE OH
pref label: EMISION OH @fr
pref label: EMISSIONE DI OH @it
pref label: OH EMISSION @en
pref label: OH-EMISSION @de
related: HydroxylRadical

OhIrStars
type: Concept
broader: GiantStars
broader: InfraredSources
broader: OhSources
pref label: ESTRELLAS OH IR
pref label: ETOILE OH INFRAROUGE @fr
pref label: OH IR STARS @en
pref label: OH-IR-STERNE @de
pref label: STELLE OH IR @it
related: HydroxylRadical
related: OhMasers
related: VariableStars

OhLines
type: Concept
pref label: LINEAS DE OH
pref label: OH LINES @en
pref label: OH-LINIEN @de
pref label: RAIE OH @fr
pref label: RIGHE DI OH @it
related: HydroxylRadical

OhMasers
type: Concept
broader: Masers
pref label: MASER OH @it
pref label: MASERES DE OH
pref label: MASERS OH @fr
pref label: OH MASERS @en
pref label: OH-MASER @de
related: HydroxylRadical
related: OhIrStars
related: SiOMasers
related: WaterMasers
scope note: Subtypes not included.

OhSources
type: Concept
broader: RadioSources
narrower: OhIrStars
pref label: FUENTES OH
pref label: OH SOURCES @en
pref label: OH-QUELLEN @de
pref label: SORGENTI OH @it
pref label: SOURCE OH @fr
related: HydroxylRadical

OldStars
type: Concept
broader: EvolvedStars
narrower: PopulationIiStars
narrower: PregalacticStars
pref label: ALTE STERNE @de
pref label: ESTRELLAS VIEJAS
pref label: ETOILE VIEILLE @fr
pref label: OLD STARS @en
pref label: STELLE VECCHIE @it

OMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD O
pref label: MAGNITUDE O @fr
pref label: MAGNITUDINE O @it
pref label: O MAGNITUDE @en
pref label: O-HELLIGKEIT @de
related: FarInfraredRadiation
related: InfraredPhotometry

OnLineSystems
type: Concept
pref label: ON LINE SYSTEMS @en
pref label: ON LINE SYSTEMS?
pref label: ONLINE SYSTEME @de
pref label: SISTEMI IN LINEA @it
pref label: SYSTEME EN LIGNE @fr
related: DataCenters
related: DataProcessing

OortCloud
type: Concept
alt label: Oortsche Kometenwolke @de
alt label: comete appartenant au nuage de oort @fr
alt label: nube cometaria di oort @it
alt label: nube de cometas de oort
alt label: oort comet cloud @en
pref label: NUAGE DE OORT @fr
pref label: NUBE DE OORT
pref label: NUBE DI OORT @it
pref label: OORT CLOUD @en
pref label: OORTSCHE WOLKE @de
related: Comets

OortConstants
type: Concept
pref label: CONSTANTE DE OORT @fr
pref label: CONSTANTES DE OORT
pref label: COSTANTI DI OORT @it
pref label: OORT CONSTANTS @en
pref label: OORT-KONSTANTEN @de
related: GalacticRotation
related: GalacticStructure

OortFormulas
type: Concept
pref label: FORMULAS DE OORT
pref label: FORMULE DE OORT @fr
pref label: FORMULE DI OORT @it
pref label: OORT FORMULAS @en
pref label: OORTSCHE FORMELN @de
related: GalacticRotation
related: GalacticStructure

OosterhoffGroups
type: Concept
pref label: GROUPE DE OOSTERHOFF @fr
pref label: GRUPOS DE OOSTERHOFF
pref label: GRUPPI DI OOSTERHOFF @it
pref label: OOSTERHOFF GROUPS @en
pref label: OOSTERHOFF-GRUPPEN @de
related: GlobularStarClusters
related: MetalAbundance
related: RrLyraeStars

Opacity
type: Concept
broader: OpticalProperties
narrower: KramersOpacity
narrower: RosselandOpacity
pref label: OPACIDAD
pref label: OPACITA @it
pref label: OPACITE @fr
pref label: OPACITY @en
pref label: OPAZITAET @de
related: Absorption
related: Atmospheres
related: NegativeHIon
related: OpticalDepth
related: Radiation
related: RadiativeTransfer
related: Transparency

OpenStarClusters
type: Concept
alt label: Galaktisches Sternhaufen @de
alt label: amas galactique @fr
alt label: ammassi galattici @it
alt label: cumulos galacticos
alt label: galactic clusters @en
broader: StarClusters
narrower: OClusters
narrower: YoungStarClusters
pref label: AMAS OUVERT @fr
pref label: AMMASSI APERTI @it
pref label: CUMULOS ESTELARES ABIERTOS
pref label: OFFENE STERNHAUFEN @de
pref label: OPEN STAR CLUSTERS @en
related: BlueStragglerStars
related: MovingClusterParallax
related: PopulationIStars
related: RadiantMovingCluster
related: SpiralArms
related: StarAssociations
related: TurnoffPoint

OpenUniverse
type: Concept
broader: Cosmology
pref label: OFFENES UNIVERSUM @de
pref label: OPEN UNIVERSE @en
pref label: UNIVERS OUVERT @fr
pref label: UNIVERSO ABIERTO
pref label: UNIVERSO APERTO @it
related: BigBangTheory
related: ClosedUniverse
related: SteadyStateTheory

OpikTheory
type: Concept
pref label: OEPIK-THEORIE @de
pref label: OPIK THEORY @en
pref label: TEORIA DE OPIK
pref label: TEORIA DI OPIK @it
pref label: THEORIE DE OPIK @fr
related: Nebulae
related: Supernovas

Opposition
type: Concept
pref label: OPOSICION
pref label: OPPOSITION @de
pref label: OPPOSIZIONE @it
related: Conjunction
related: Quadrature
related: SynodicPeriod
related: Syzygy
scope note: Refers to planet positions.

OpticalBursts
type: Concept
broader: Bursts
pref label: BURST OTTICI @it
pref label: OPTICAL BURSTS @en
pref label: OPTISCHE AUSBRUECHE @de
pref label: SURSAUT OPTIQUE @fr
pref label: estallidos opticos
related: Bursters
related: GammaRayBursts
related: RadioBursts
related: XRayBursts
scope note: Specifically from BURSTERS.

OpticalComponents
type: Concept
narrower: CorrectorPlates
narrower: DiffractionGratings
narrower: FieldCorrectors
narrower: Grisms
narrower: InterferenceFilters
narrower: Lenses
narrower: Mirrors
narrower: OpticalFibers
narrower: OpticalFilters
narrower: OpticalWaveguides
narrower: OpticalWindowsOptics
pref label: COMPONENTES OPTICOS
pref label: COMPONENTI OTTICI @it
pref label: COMPOSANT OPTIQUE @fr
pref label: OPTICAL COMPONENTS @en
pref label: OPTISCHE KOMPONENTEN @de
scope note: Not a complete list of terms.

OpticalDepth
type: Concept
alt label: ESPESOR OPTICO
alt label: epaisseur optique @fr
alt label: optical thickness @en
alt label: optische Dichte @de
alt label: spessore ottico @it
pref label: OPTICAL DEPTH @en
pref label: OPTISCHE TIEFE @de
pref label: PROFONDEUR OPTIQUE @fr
pref label: PROFONDITA OTTICA @it
pref label: PROFUNDIDAD OPTICA
related: AbsorptionCoefficient
related: GasDensity
related: Opacity

OpticalDesign
type: Concept
pref label: CONCEPTION DE L'OPTIQUE @fr
pref label: DISENO OPTICO
pref label: OPTICAL DESIGN @en
pref label: OPTISCHER ENTWURF @de
pref label: PROGETTAZIONE OTTICA @it
related: OpticalInstruments

OpticalDoubleStars
type: Concept
alt label: estrellas dobles visuales [1]
alt label: etoile double visuelle [1] @fr
alt label: stelle doppie visuali [1] @it
alt label: visual double stars [1] @en
alt label: visuelle Doppelsterne [1] @de
pref label: ESTRELLAS DOBLES OPTICAS
pref label: ETOILE DOUBLE OPTIQUE @fr
pref label: OPTICAL DOUBLE STARS @en
pref label: OPTISCHE DOPPELSTERNE @de
pref label: STELLE DOPPIE OTTICHE; [UF STELLE DOPPIE APPARENTI) @it
related: AngularSeparation
scope note: Use only for pair in chance alignment. Refer also to VISUAL BINARY STARS.

OpticalFibers
type: Concept
alt label: FIBRAS DE VIDRIO
alt label: Glasfasern @de
alt label: fibre de verre @fr
alt label: fibre ottiche @it
alt label: glass fibers @en
broader: OpticalComponents
broader: OpticalWaveguides
pref label: FIBRAS OPTICAS
pref label: FIBRE OPTIQUE @fr
pref label: FIBRE OTTICHE @it
pref label: OPTICAL FIBERS @en
pref label: OPTISCHE GLASFASERN @de
related: FiberOptics
related: Glass
related: OpticalInstruments

OpticalFilms
type: Concept
alt label: Beschichtung [Optische] @de
alt label: PELICULAS [OPTICAS]
alt label: film [optique] @fr
alt label: films [optical] @en
alt label: pellicole [ottiche] @it
narrower: AntireflectionCoatings
narrower: ThinFilms
pref label: FILM OPTIQUE @fr
pref label: OPTICAL FILMS @en
pref label: OPTISCHE FILME @de
pref label: PELICULAS OPTICAS
pref label: PELLICOLE OTTICHE @it
related: DichroicMirrors
related: InterferenceFilters
related: LightInterference

OpticalFilters
type: Concept
alt label: Farbfilter @de
alt label: color filters @en
alt label: filtre colore @fr
alt label: filtri colorati; UF filtri di luce @it
alt label: filtros de color
broader: Filters
broader: OpticalComponents
narrower: InterferenceFilters
narrower: PhotographicFilters
pref label: FILTRE OPTIQUE @fr
pref label: FILTRI OTTICI @it
pref label: FILTROS OPTICOS
pref label: OPTICAL FILTERS @en
pref label: OPTISCHE FILTER @de
related: DichroicMirrors
related: LightInterference
related: OpticalWindowsOptics
related: Photometry
related: UltravioletFilters

OpticalFlares
type: Concept
broader: Flares
pref label: BRILLAMENTI OTTICI @it
pref label: ERUPTION OPTIQUE @fr
pref label: FULGURACIONES OPTICAS
pref label: OPTICAL FLARES @en
pref label: OPTISCHE ERUPTIONEN / FLARES @de
related: FlareStars
related: Prominences

OpticalGlass
type: Concept
broader: Glass
broader: OpticalMaterials
pref label: OPTICAL GLASS @en
pref label: OPTISCHES GLAS @de
pref label: VERRE OPTIQUE @fr
pref label: VETRO OTTICO @it
pref label: VIDRIO OPTICO
related: OpticalWindowsOptics

OpticalIdentifications
type: Concept
alt label: contrapartes opticas
alt label: contrepartie optique @fr
alt label: controparti ottiche @it
alt label: optical counterparts @en
alt label: optische Gegenstuecke @de
pref label: IDENTIFICACIONES OPTICAS
pref label: IDENTIFICATION OPTIQUE @fr
pref label: IDENTIFICAZIONI OTTICHE @it
pref label: OPTICAL IDENTIFICATIONS @en
pref label: OPTISCHE IDENTIFIKATIONEN @de
related: GammaRaySources
related: RadioSources
related: XRayIdentifications
related: XRaySources

OpticalInstruments
type: Concept
alt label: apparecchiatura ottica @it
alt label: equipement optique @fr
alt label: equipo optico
alt label: optical equipment @en
alt label: optische Ausruestung @de
narrower: Cameras
narrower: Coronagraphs
narrower: Monochromators
narrower: OpticalScanners
narrower: Photometers
narrower: Polarimeters
narrower: SeeingMonitors
narrower: Spectrographs
narrower: Telescopes
pref label: INSTRUMENT D'OPTIQUE @fr
pref label: INSTRUMENTOS OPTICOS
pref label: OPTICAL INSTRUMENTS @en
pref label: OPTISCHE INSTRUMENTE @de
pref label: STRUMENTI OTTICI @it
related: Collimators
related: FieldCorrectors
related: HartmannTest
related: Lenses
related: Mirrors
related: ModulationTransferFunction
related: OpticalDesign
related: OpticalFibers
related: OpticalMaterials
related: OpticalSystems
related: OpticalTesting
related: OpticalTransferFunction
related: Prisms
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

OpticalInterferometers
type: Concept
alt label: Stern-Interferometer @de
alt label: interferometre stellaire @fr
alt label: interferometri stellari @it
alt label: interferometros estelares
alt label: stellar interferometers @en
broader: Interferometers
narrower: IntensityInterferometers
narrower: MichelsonInterferometers
pref label: INTERFEROMETRE OPTIQUE @fr
pref label: INTERFEROMETRI OTTICI @it
pref label: INTERFEROMETROS OPTICOS
pref label: OPTICAL INTERFEROMETERS @en
pref label: OPTISCHE INTERFEROMETER @de
related: LongBaselineInterferometers

OpticalInterferometry
type: Concept
alt label: Lichtinterferometrie @de
alt label: Stern-Interferometrie @de
alt label: interferometria de luz
alt label: interferometria della luce @it
alt label: interferometria estelar
alt label: interferometria stellare @it
alt label: interferometrie dans le visible @fr
alt label: interferometrie stellaire @fr
alt label: light interferometry @en
alt label: stellar interferometry @en
broader: Interferometry
pref label: INTERFEROMETRIA OPTICA
pref label: INTERFEROMETRIA OTTICA @it
pref label: INTERFEROMETRIE OPTIQUE @fr
pref label: OPTICAL INTERFEROMETRY @en
pref label: OPTISCHE INTERFEROMETRIE @de
related: InterferenceFringes
related: InterferenceWaves
related: LightInterference
related: LongBaselineInterferometry
related: MichelsonInterferometry

OpticalMaterials
type: Concept
narrower: Glass
narrower: OpticalGlass
pref label: MATERIALES OPTICOS
pref label: MATERIALI OTTICI @it
pref label: MATERIAU OPTIQUE @fr
pref label: OPTICAL MATERIALS @en
pref label: OPTISCHE MATERIALIEN @de
related: Lenses
related: Mirrors
related: OpticalInstruments

OpticalObservations
type: Concept
broader: Observations
pref label: OBSERVACIONES OPTICAS
pref label: OBSERVATION OPTIQUE @fr
pref label: OPTICAL OBSERVATIONS @en
pref label: OPTISCHE BEOBACHTUNGEN @de
pref label: OSSERVAZIONI OTTICHE @it
related: OpticalObservatories

OpticalObservatories
type: Concept
broader: Observatories
pref label: OBSERVATOIRE OPTIQUE @fr
pref label: OBSERVATORIOS OPTICOS
pref label: OPTICAL OBSERVATORIES @en
pref label: OPTISCHE STERNWARTEN @de
pref label: OSSERVATORI OTTICI @it
related: OpticalObservations
related: OpticalTelescopes
related: SeeingMonitors

OpticalOutbursts
type: Concept
broader: Outbursts
pref label: ESTALLIDOS OPTICOS
pref label: OPTICAL OUTBURSTS @en
pref label: OPTISCHE AUSBRUECHE @de
pref label: OUTBURST OTTICI @it
pref label: SURSAUT D'ECLAT OPTIQUE @fr
related: CataclysmicVariableStars
related: FlareStars
related: Novas
related: Supernovas
scope note: NOT from BURSTERS.

OpticalPathlength
type: Concept
pref label: CHEMIN OPTIQUE @fr
pref label: LONGITUD DE CAMINO OPTICO
pref label: LUNGHEZZA DEL CAMMINO OTTICO @it
pref label: OPTICAL PATHLENGTH @en
pref label: OPTISCHE WEGLAENGE @de
related: RefractiveIndex

OpticalPositions
type: Concept
pref label: OPTICAL POSITIONS @en
pref label: OPTISCHE POSITIONEN @de
pref label: POSICIONES OPTICAS
pref label: POSITION OPTIQUE @fr
pref label: POSIZIONI OTTICHE @it
related: Astrometry

OpticalProperties
type: Concept
broader: Properties
narrower: Albedo
narrower: Brightness
narrower: Color
narrower: Opacity
narrower: RefractiveIndex
pref label: OPTICAL PROPERTIES @en
pref label: OPTISCHE EIGENSCHAFTEN @de
pref label: PROPIEDADES OPTICAS
pref label: PROPRIETA OTTICHE @it
pref label: PROPRIETE OPTIQUE @fr
related: BrightnessTemperature
related: Darkness
related: Isotropy
related: Optics
related: PolarizationWaves
scope note: Not a complete list of terms.

OpticalPulsars
type: Concept
broader: Pulsars
pref label: OPTICAL PULSARS @en
pref label: OPTISCHE PULSARE @de
pref label: PULSAR OPTIQUE @fr
pref label: PULSAR OTTICHE @it
pref label: PULSARES OPTICOS
related: RadioPulsars

OpticalRadar
type: Concept
broader: Radar
pref label: OPTICAL RADAR @en
pref label: OPTISCHES RADAR @de
pref label: RADAR OPTICO
pref label: RADAR OPTIQUE @fr
pref label: RADAR OTTICO @it
related: LaserRanging
related: Lasers
related: LunarLaserRanging
related: SatelliteLaserRanging

OpticalScanners
type: Concept
broader: OpticalInstruments
pref label: LECTORES DE BARRIDO OPTICOS
pref label: LETTORI OTTICI A SCANSIONE @it
pref label: OPTICAL SCANNERS @en
pref label: OPTISCHE SCANNER @de
pref label: SCANNER OPTIQUE @fr
related: Spectrophotometry

OpticalSpectroscopy
type: Concept
broader: Spectroscopy
pref label: OPTICAL SPECTROSCOPY @en
pref label: OPTISCHE SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE OPTIQUE @fr
pref label: SPETTROSCOPIA OTTICA @it
pref label: espectroscopia optica

OpticalSystems
type: Concept
pref label: OPTICAL SYSTEMS @en
pref label: OPTISCHE SYSTEME @de
pref label: SISTEMAS OPTICOS
pref label: SISTEMI OTTICI @it
pref label: SYSTEME OPTIQUE @fr
related: Aberrations
related: Apertures
related: ChromaticAberration
related: Coma
related: Distortion
related: FieldCurvature
related: OpticalInstruments

OpticalTelescopes
type: Concept
broader: Telescopes
narrower: AutomaticPatrolTelescopes
narrower: MultipleMirrorTelescopes
narrower: NewTechnologyTelescopes
narrower: ReflectingTelescopes
narrower: RefractingTelescopes
narrower: VeryLargeTelescopes
pref label: OPTICAL TELESCOPES @en
pref label: OPTISCHE TELESKOPE @de
pref label: TELESCOPE OPTIQUE @fr
pref label: TELESCOPI OTTICI @it
pref label: TELESCOPIOS OPTICOS
related: CatadioptricSystems
related: CatoptricSystems
related: DioptricSystems
related: Eyepieces
related: Objectives
related: OpticalObservatories
related: SecondaryMirrors

OpticalTesting
type: Concept
pref label: OPTICAL TESTING @en
pref label: OPTISCHE TESTS @de
pref label: PROVE OTTICHE @it
pref label: PRUEBA OPTICA
pref label: TEST OPTIQUE @fr
related: Figuring
related: ModulationTransferFunction
related: OpticalInstruments
related: OpticalTransferFunction

OpticalTransferFunction
type: Concept
alt label: otf
broader: TransferFunctions
pref label: FONCTION DE TRANFERT OPTIQUE @fr
pref label: FUNCION DE TRANSFERENCIA OPTICA
pref label: FUNZIONE DI TRASFERIMENTO OTTICO @it
pref label: OPTICAL TRANSFER FUNCTION @en
pref label: OPTISCHE UEBERTRAGUNGSFUNKTION @de
related: ModulationTransferFunction
related: OpticalInstruments
related: OpticalTesting

OpticalWaveguides
type: Concept
broader: OpticalComponents
broader: Waveguides
narrower: OpticalFibers
pref label: GUIAS DE ONDA OPTICAS
pref label: GUIDE D'ONDA OTTICHE @it
pref label: GUIDE D'ONDES OPTIQUES @fr
pref label: OPTICAL WAVEGUIDES @en
pref label: OPTISCHE WELLENLEITER @de

OpticalWindows
type: Concept
broader: AtmosphericWindows
pref label: FENETRE OPTIQUE @fr
pref label: FINESTRE OTTICHE @it
pref label: OPTICAL WINDOWS @en
pref label: OPTISCHE FENSTER @de
pref label: VENTANAS OPTICAS
related: InfraredWindows
related: RadioWindows
scope note: Low absorption in atmosphere.

OpticalWindowsOptics
type: Concept
broader: OpticalComponents
pref label: FENETRE OPTIQUE @fr
pref label: FINESTRE OTTICHE [OTTICA] @it
pref label: OPTICAL WINDOWS [OPTICS] @en
pref label: OPTISCHE FENSTER @de
pref label: VENTANAS OPTICAS [OPTICA]
related: OpticalFilters
related: OpticalGlass

Optics
type: Concept
narrower: ActiveOptics
narrower: AdaptiveOptics
narrower: AstronomicalOptics
narrower: FiberOptics
pref label: OPTICA
pref label: OPTICS @en
pref label: OPTIK @de
pref label: OPTIQUE @fr
pref label: OTTICA @it
related: Aberrations
related: Adjustment
related: AngularResolution
related: Collimation
related: OpticalProperties
related: RefractiveIndex
related: Resolution
related: Transmission
scope note: Combine with other terms

OrbitalElements
type: Concept
alt label: Bahnelemente @de
alt label: ELEMENTI DELLE ORBITE @it
alt label: ELEMENTOS DE ORBITAS
alt label: element des orbites @fr
alt label: elements of orbits @en
narrower: Anomaly
narrower: Apsides
narrower: CenterOfMass
narrower: Eccentricity
narrower: Inclination
narrower: OsculatoryElements
narrower: Period
narrower: PositionAngle
narrower: SemimajorAxis
pref label: BAHNELEMENTE @de
pref label: ELEMENT ORBITAL @fr
pref label: ELEMENTI ORBITALI @it
pref label: ELEMENTOS ORBITALES
pref label: ORBITAL ELEMENTS @en
related: Acceleration
related: CelestialMechanics
related: Orbits
related: RegressionOfNodes
scope note: See also ORBITS

OrbitalEvolution
type: Concept
pref label: ENTWICKLUNG DER BAHNEN @de
pref label: EVOLUCION ORBITAL
pref label: EVOLUTION ORBITALE @fr
pref label: EVOLUZIONE ORBITALE @it
pref label: ORBITAL EVOLUTION @en
related: CelestialMechanics

OrbitalMotions
type: Concept
broader: Motion
pref label: BAHNBEWEGUNGEN @de
pref label: MOTI ORBITALI @it
pref label: MOUVEMENT ORBITAL @fr
pref label: MOVIMIENTOS ORBITALES
pref label: ORBITAL MOTIONS @en
related: CelestialMechanics
related: CircularOrbits
related: OrbitalVelocity
related: VisualBinaryStars

OrbitalTheory
type: Concept
pref label: BAHNTHEORIE @de
pref label: ORBITAL THEORY @en
pref label: TEORIA ORBITAL
pref label: TEORIA ORBITALE @it
pref label: THEORIE ORBITALE @fr
related: CelestialMechanics

OrbitalVelocity
type: Concept
broader: Velocity
pref label: BAHNGESCHWINDIGKEIT @de
pref label: ORBITAL VELOCITY @en
pref label: VELOCIDAD ORBITAL
pref label: VELOCITA ORBITALE @it
pref label: VITESSE ORBITALE @fr
related: AngularVelocity
related: EscapeVelocity
related: OrbitalMotions
related: Orbits
related: TangentialVelocity

OrbitDetermination
type: Concept
pref label: BAHNBESTIMMUNG @de
pref label: DETERMINACION DE ORBITA
pref label: DETERMINATION D'ORBITE @fr
pref label: DETERMINAZIONE DELL'ORBITA @it
pref label: ORBIT DETERMINATION @en
related: BinaryStars
related: MultipleStars
related: Planets

OrbitingObservatories
type: Concept
broader: SpaceAstronomy
broader: SpaceGeodesy
broader: SpaceObservatories
pref label: OBSERVATOIRE ORBITAL / OBSRVATOIRE EN ORBITE @fr
pref label: OBSERVATORIEN IN DER UMLAUFBAHN @de
pref label: OBSERVATORIOS ORBITANTES
pref label: ORBITING OBSERVATORIES @en
pref label: OSSERVATORI ORBITANTI @it
related: ArtificialSatellites
related: SpaceAstrometry

Orbits
type: Concept
narrower: EllipticalOrbits
narrower: GeocentricOrbits
narrower: HeliocentricOrbits
narrower: HyperbolicOrbits
narrower: KeplerianOrbits
narrower: OsculatingOrbits
narrower: ParabolicOrbits
narrower: PeriodicOrbits
narrower: PolarOrbits
pref label: ORBITAS
pref label: ORBITE @it
pref label: ORBITS @en
pref label: UMLAUFBAHN @de
related: Acceleration
related: ApsidalMotions
related: Apsides
related: BinaryStars
related: CelestialMechanics
related: HighVelocityStars
related: LocalStandardOfRest
related: Motion
related: MultipleStars
related: NBodyProblem
related: Nodes
related: OrbitalElements
related: OrbitalVelocity
related: ParabolicVelocity
related: Period
related: Perturbation
related: PerturbationTheory
related: Planets
related: PositionAngle
related: RocheLimit
related: SchwarzschildMetric
related: SynchronousRotation
related: ThreeBodyProblem
related: Trajectories
scope note: See also ORBITAL ELEMENTS.

OrganicMatter
type: Concept
narrower: OrganicMolecules
pref label: MATERIA ORGANICA
pref label: MATIERE ORGANIQUE @fr
pref label: ORGANIC MATTER @en
pref label: ORGANISCHE MATERIE @de

OrganicMolecules
type: Concept
broader: Molecules
broader: OrganicMatter
pref label: MOLECOLE ORGANICHE @it
pref label: MOLECULAS ORGANICAS
pref label: MOLECULE ORGANIQUE @fr
pref label: ORGANIC MOLECULES @en
pref label: ORGANISCHE MOLEKUELE @de
related: InterstellarMolecules
related: MolecularSpectra

Orientation
type: Concept
pref label: ORIENTACION
pref label: ORIENTAMENTO @it
pref label: ORIENTATION @fr
pref label: ORIENTIERUNG @de
related: Adjustment
related: AlignmentOptics
related: Collimation
related: PositionAngle

Origin
type: Concept
pref label: ORIGEN
pref label: ORIGIN @en
pref label: ORIGINE @it
pref label: URSPRUNG @de
related: ChemicalElements
related: ElementFormation
related: Galaxies
related: Life
related: Planets
related: SolarSystem
scope note: Combine with other terms

OrionPopulationStars
type: Concept
pref label: ESTRELLAS DE POBLACION ORION
pref label: ETOILE DE TYPE POPULATION D'ORION @fr
pref label: ORION POPULATION STARS @en
pref label: STELLE DELLA POPOLAZIONE DI ORIONE @it
pref label: STERNE DER ORION-POPULATION @de
related: EarlyTypeStars
related: PremainsequenceStars

Orreries
type: Concept
broader: Models
pref label: ORRERIES @en
pref label: PLANETAIRE @fr
pref label: PLANETARI MECCANICI @it
pref label: PLANETARIEN @de
pref label: PLANETARIOS MECANICOS
related: Motion
related: Planetaria

Orthohydrogen
type: Concept
broader: MolecularHydrogen
pref label: ORTHOHYDROGEN @en
pref label: ORTHOHYDROGENE @fr
pref label: ORTHOWASSERSTOFF @de
pref label: ORTOHIDROGENO
pref label: ORTOIDROGENO @it
related: Parahydrogen

OrthoscopicEyepiece
type: Concept
broader: Eyepieces
pref label: OCULAIRE ORTHOSCOPIQUE @fr
pref label: OCULARES ORTOSCOPICOS
pref label: OCULARI ORTOSCOPICI @it
pref label: ORTHOSCOPIC EYEPIECE @en
pref label: ORTHOSKOPISCHES OKULAR @de

OscillatingUniverse
type: Concept
broader: Cosmology
pref label: OSCILLATING UNIVERSE @en
pref label: OSZILLIERENDES WELTALL @de
pref label: UNIVERS OSCILLANT @fr
pref label: UNIVERSO OSCILANTE
pref label: UNIVERSO OSCILLANTE @it
related: FriedmannUniverse

Oscillations
type: Concept
pref label: OSCILACIONES
pref label: OSCILLATION @fr
pref label: OSCILLATIONS @en
pref label: OSCILLAZIONI @it
pref label: SCHWINGUNGEN @de
related: Amplitudes
related: DecayOscillations
related: Pendulums
related: Waves
related: eFoldingTime
scope note: Combine with other terms

OscillatorStrengths
type: Concept
alt label: f values @en
alt label: f-Werte @de
alt label: valeur des forces d'oscillateur @fr
alt label: valores f
alt label: valori f @it
pref label: FORCE D'OSCILLATEUR @fr
pref label: FORZE DI OSCILLATORE @it
pref label: FUERZAS DEL OSCILADOR
pref label: OSCILLATOR STRENGTHS @en
pref label: OSZILLATORSTAERKE @de
related: LineFormation
related: LineWidths
related: TransitionProbabilities

OsculatingOrbits
type: Concept
broader: Orbits
pref label: ORBITAS OSCULADORAS
pref label: ORBITE OSCULATRICE @fr
pref label: ORBITE OSCULATRICI @it
pref label: OSCULATING ORBITS @en
pref label: OSKULIERENDE BAHNEN @de

OsculatoryElements
type: Concept
broader: OrbitalElements
pref label: ELEMENT OSCULATEUR @fr
pref label: ELEMENTI OSCULATORI @it
pref label: ELEMENTOS OSCULATORIOS
pref label: OSCULATORY ELEMENTS @en
pref label: OSKULIERENDE ELEMENTE @de
related: CelestialMechanics
related: Perturbation

OStars
type: Concept
broader: EarlyTypeStars
broader: ObStars
broader: YoungStars
narrower: ODwarfStars
narrower: OGiantStars
narrower: OSubdwarfStars
narrower: OSupergiantStars
narrower: OeStars
narrower: OefStars
narrower: OfStars
pref label: ESTRELLAS O
pref label: ETOILE O @fr
pref label: O STARS @en
pref label: O-STERNE @de
pref label: STELLE O @it
related: EarlyTypeVariableStars
related: OClusters
related: SpectralTypes
related: WolfRayetStars

OSubdwarfStars
type: Concept
broader: OStars
broader: SubdwarfStars
pref label: ESTRELLAS SUBENANAS O
pref label: ETOILE O SOUS NAINE @fr
pref label: O SUBDWARF STARS @en
pref label: O-UNTERZWERGE @de
pref label: STELLE SUBNANE O @it

OSupergiantStars
type: Concept
broader: EarlyTypeSupergiantStars
broader: OStars
broader: ObSupergiantStars
broader: SupergiantStars
pref label: ESTRELLAS SUPERGIGANTES O
pref label: ETOILE O SUPERGEANTE @fr
pref label: O SUPERGIANT STARS @en
pref label: O-UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI O @it

Outbursts
type: Concept
broader: Bursts
broader: Flares
narrower: OpticalOutbursts
pref label: AUSBRUECHE @de
pref label: ESTALLIDOS
pref label: OUTBURST @it
pref label: OUTBURSTS @en
pref label: SURSAUT D'ECLAT @fr

OuterPlanets
type: Concept
alt label: jovian planets @en
alt label: jupiteraehnliche Planeten @de
alt label: pianeti gioviani @it
alt label: planetas jovianos
alt label: planete jovienne @fr
broader: Planets
pref label: AEUSSERE PLANETEN @de
pref label: OUTER PLANETS @en
pref label: PIANETI ESTERNI @it
pref label: PLANETAS EXTERIORES
pref label: PLANETE EXTERIEURE @fr
related: InnerPlanets

Outgassing
type: Concept
pref label: AUSGASEN @de
pref label: DEGASSAMENTO @it
pref label: DEGAZEMENT @fr
pref label: DESGASIFICACION
pref label: OUTGASSING @en
related: Cryogenics
related: VacuumTechniques

OvertoneFrequencies
type: Concept
alt label: Obertoene @de
alt label: armoniche superiori @it
alt label: harmonic overtones @en
alt label: harmonique superieur @fr
alt label: harmonische Oberschwingungen @de
alt label: overtones @en
alt label: sobretonos armonicos
alt label: sobretonos?
pref label: FRECUENCIAS DE SOBRETONOS?
pref label: FREQUENCE DES HARMONIQUES SUPERIEURES @fr
pref label: FREQUENZE DI ARMONICHE SUPERIORI @it
pref label: OBERTONFREQUENZEN @de
pref label: OVERTONE FREQUENCIES @en
related: FourierAnalysis
related: FundamentalFrequency
related: HarmonicFrequencies
related: MultiperiodicVariableStars
related: OvertoneModes
scope note: See SN for OVERTONE MODES. Also see HARMONIC FREQUENCIES.

OvertoneModes
type: Concept
alt label: Obertoene @de
alt label: armoniche superiori @it
alt label: harmonique superieur @fr
alt label: overtones @en
alt label: sobretonos?
broader: PulsationModes
pref label: MODE HARMONIQUE SUPERIEUR @fr
pref label: MODI DI ARMONICHE SUPERIORI @it
pref label: MODOS DE SOBRETONOS
pref label: OBERTON-MODEN @de
pref label: OVERTONE MODES @en
related: FundamentalMode
related: MultiperiodicVariableStars
related: OvertoneFrequencies
related: PulsatingVariableStars
scope note: Of pulsation frequencies, not Fourier components of non- sinusoidal variations.

Oxygen
type: Concept
pref label: OSSIGENO @it
pref label: OXIGENO
pref label: OXYGEN @en
pref label: OXYGENE @fr
pref label: SAUERSTOFF @de
scope note: Combine with other terms

OxygenBurning
type: Concept
broader: NuclearFusion
broader: Nucleosynthesis
pref label: COMBUSTION DEL OXIGENO
pref label: COMBUSTIONE DELL'OSSIGENO @it
pref label: FUSION DE L'OXYGENE @fr
pref label: OXYGEN BURNING @en
pref label: SAUERSTOFFBRENNEN @de
related: CarbonBurning
related: HeliumBurning
related: HydrogenBurning
related: StellarInteriors

OzoneLayer
type: Concept
pref label: CAPA DE OZONO
pref label: COUCHE D'OZONE @fr
pref label: OZONE LAYER @en
pref label: OZONOSFERA @it
pref label: OZONSCHICHT @de
related: EarthAtmosphere

PairAnnihilation
type: Concept
pref label: ANIQUILACION DE PARES
pref label: ANNICHILAZIONE DI COPPIE @it
pref label: ANNIHILATION DE PAIRES @fr
pref label: PAARVERNICHTUNG @de
pref label: PAIR ANNIHILATION @en
related: Electrons
related: GammaRays
related: Positrons

PairProduction
type: Concept
broader: ParticleProduction
pref label: PAARERZEUGUNG @de
pref label: PAIR PRODUCTION @en
pref label: PRODUCCION DE PARES
pref label: PRODUCTION DE PAIRES @fr
pref label: PRODUZIONE DI COPPIE @it
related: Electrons
related: GammaRays
related: Positrons

Paleomagnetism
type: Concept
pref label: PALAEOMAGNETISMUS @de
pref label: PALEOMAGNETISM @en
pref label: PALEOMAGNETISME @fr
pref label: PALEOMAGNETISMO
related: ContinentalDrift
related: Geomagnetism
related: MagneticFields

ParabolicAntennas
type: Concept
broader: Antennas
broader: DirectionalAntennas
pref label: ANTENAS PARABOLICAS
pref label: ANTENNE PARABOLICHE @it
pref label: ANTENNE PARABOLIQUE @fr
pref label: PARABOLANTENNEN @de
pref label: PARABOLIC ANTENNAS @en
related: CassegrainFocus

ParabolicMirrors
type: Concept
pref label: ESPEJOS PARABOLICOS
pref label: MIROIR PARABOLIQUE @fr
pref label: PARABOLIC MIRRORS @en
pref label: PARABOLSPIEGEL @de
pref label: SPECCHI PARABOLICI @it
related: ParabolicReflectors
scope note: See PARABOLIC REFLECTORS.

ParabolicOrbits
type: Concept
broader: Orbits
pref label: ORBITAS PARABOLICAS
pref label: ORBITE PARABOLICHE @it
pref label: ORBITE PARABOLIQUE @fr
pref label: PARABELBAHNEN @de
pref label: PARABOLIC ORBITS @en
related: CircularOrbits
related: Comets
related: EllipticalOrbits
related: HyperbolicOrbits

ParabolicReflectors
type: Concept
pref label: PARABELREFLEKTOREN @de
pref label: PARABOLIC REFLECTORS @en
pref label: REFLECTEUR PARABOLIQUE @fr
pref label: REFLECTORES PARABOLICOS
pref label: RIFLETTORI PARABOLICI @it
related: DishAntennas
related: ParabolicMirrors
related: RadarTelescopes
related: RadioTelescopes
related: ReflectingTelescopes

ParabolicVelocity
type: Concept
broader: Velocity
pref label: PARABELGESCHWINDIGKEIT @de
pref label: PARABOLIC VELOCITY @en
pref label: VELOCIDAD PARABOLICA
pref label: VELOCITA PARABOLICA @it
pref label: VITESSE PARABOLIQUE @fr
related: EscapeVelocity
related: Orbits

Parahydrogen
type: Concept
broader: MolecularHydrogen
pref label: PARAHIDROGENO
pref label: PARAHYDROGEN @en
pref label: PARAHYDROGENE @fr
pref label: PARAIDROGENO @it
pref label: PARAWASSERSTOFF @de
related: Orthohydrogen

Parallaxes
type: Concept
narrower: AnnualParallax
narrower: DiurnalParallax
narrower: DynamicalParallax
narrower: KinematicParallax
narrower: MovingClusterParallax
narrower: PhotometricParallax
narrower: SecularParallax
narrower: StatisticalParallax
narrower: TrigonometricParallax
pref label: PARALAJES
pref label: PARALLASSI @it
pref label: PARALLAXE @fr
pref label: PARALLAXEN @de
pref label: PARALLAXES @en
related: Astrometry
related: AstronomicalUnit
related: Distance
related: DistanceModulus

ParametricAmplifiers
type: Concept
broader: Amplifiers
pref label: AMPLIFICADORES PARAMETRICOS
pref label: AMPLIFICATEUR PARAMETRIQUE @fr
pref label: AMPLIFICATORI PARAMETRICI @it
pref label: PARAMETRIC AMPLIFIERS @en
pref label: PARAMETRISCHE VERSTAERKER @de

Parsec
type: Concept
alt label: Parallaxensekunde @de
alt label: paralaje segunda
alt label: parallasse secondo @it
alt label: parallax second @en
alt label: parallaxe en secondes @fr
pref label: PARSEC
pref label: PARSEK @de
related: AstronomicalUnit
related: Distance
related: DistanceScale
related: LightYear

PartialEclipse
type: Concept
broader: Eclipses
pref label: ECLIPSE PARCIAL
pref label: ECLIPSE PARTIELLE @fr
pref label: ECLISSI PARZIALE @it
pref label: PARTIAL ECLIPSE @en
pref label: PARTIELLE FINSTERNIS @de
related: EclipsingBinaryStars
related: TotalEclipses

ParticleAcceleration
type: Concept
pref label: ACCELERATION DE PARTICULES @fr
pref label: ACCELERAZIONE DI PARTICELLE @it
pref label: ACELERACION DE PARTICULAS
pref label: PARTICLE ACCELERATION @en
pref label: TEILCHENBESCHLEUNIGUNG @de
related: ElementaryParticles

ParticleAccretion
type: Concept
pref label: ACCRETION DE PARTICULES @fr
pref label: ACCREZIONE DI PARTICELLE @it
pref label: ACRECION DE PARTICULAS
pref label: PARTICLE ACCRETION @en
pref label: TEILCHENAUFSAMMLUNG / AKKRETION @de
related: Accretion

ParticleBeams
type: Concept
pref label: FAISCEAU DE PARTICULES @fr
pref label: FASCI DI PARTICELLE @it
pref label: HACES DE PARTICULAS
pref label: PARTICLE BEAMS @en
pref label: TEILCHENSTRAHLEN @de
related: HighEnergyAstrophysics

ParticleCreation
type: Concept
pref label: CREACION DE PARTICULAS
pref label: CREATION DE PARTICULES @fr
pref label: CREAZIONE DI PARTICELLE @it
pref label: PARTICLE CREATION @en
pref label: TEILCHENERZEUGUNG @de
related: ElementaryParticles

ParticleEscape
type: Concept
pref label: ENTWEICHEN VON TEILCHEN @de
pref label: ESCAPE DE PARTICULAS
pref label: FUGA DI PARTICELLE @it
pref label: FUITE DE PARTICULES @fr
pref label: PARTICLE ESCAPE @en
related: ElementaryParticles

ParticleInteractions
type: Concept
pref label: INTERACCIONES DE PARTICULAS
pref label: INTERACTION DE PARTICULES @fr
pref label: INTERAZIONI FRA PARTICELLE @it
pref label: PARTICLE INTERACTIONS @en
pref label: WECHSELWIRKUNG VON TEILCHEN @de
related: ElementaryParticles

ParticleProduction
type: Concept
narrower: PairProduction
pref label: PARTICLE PRODUCTION @en
pref label: PRODUCCION DE PARTICULAS
pref label: PRODUCTION DE PARTICULES @fr
pref label: PRODUZIONE DI PARTICELLE @it
pref label: TEILCHENERZEUGUNG @de
related: ElementaryParticles

ParticlePropagation
type: Concept
pref label: PARTICLE PROPAGATION @en
pref label: PROPAGACION DE PARTICULAS
pref label: PROPAGATION DE PARTICULES @fr
pref label: PROPAGAZIONE DI PARTICELLE @it
pref label: TEILCHENAUSBREITUNG @de

Particles
type: Concept
narrower: AlphaParticles
narrower: Bosons
narrower: Electrons
narrower: ElementaryParticles
narrower: FundamentalParticles
narrower: Ions
narrower: Leptons
narrower: Neutrinos
narrower: Partons
narrower: Plasmas
narrower: Positrons
narrower: Protons
narrower: RelativisticParticles
pref label: PARTICELLE @it
pref label: PARTICLES @en
pref label: PARTICULAS
pref label: PARTICULE @fr
pref label: TEILCHEN @de
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

Partons
type: Concept
broader: ElementaryParticles
broader: Particles
pref label: PARTON @fr
pref label: PARTONEN @de
pref label: PARTONES
pref label: PARTONI @it
pref label: PARTONS @en

PaschenBackEffect
type: Concept
pref label: EFECTO PASCHEN BACK
pref label: EFFET PASCHEN BACK @fr
pref label: EFFETTO PASCHEN BACK @it
pref label: PASCHEN BACK EFFECT @en
pref label: PASCHEN-BACK-EFFEKT @de
related: MagneticFields
related: ZeemanSplitting

PaschenSeries
type: Concept
alt label: Paschen-Linien @de
alt label: lineas de paschen
alt label: paschen lines @en
alt label: raie de paschen @fr
alt label: righe di paschen @it
pref label: PASCHEN SERIES @en
pref label: PASCHEN-SERIE @de
pref label: SERIE DE PASCHEN
pref label: SERIE DI PASCHEN @it
related: BalmerSeries
related: BrackettSeries
related: HydrogenSpectrum
related: LymanSeries
related: PfundSeries

PastLightCone
type: Concept
broader: LightCone
pref label: CONE DE LA LUMIERE DU PASSE @fr
pref label: CONO DE LUZ DEL PASADO
pref label: CONO DI LUCE DEL PASSATO @it
pref label: PAST LIGHT CONE @en
pref label: VERGANGENHEITSLICHTKEGEL @de
related: FutureLightCone

PaulTrap
type: Concept
pref label: PAUL TRAP @en
pref label: PAUL-FALLE @de
pref label: PIEGE DE PAUL @fr
pref label: TRAMPA DE PAUL
pref label: TRAPPOLA PAUL @it
related: ElectricFields
related: Ions
related: RadioFrequencies

PBranch
type: Concept
broader: MolecularSpectra
pref label: BRANCHE P @fr
pref label: P BRANCH @en
pref label: P-ZWEIG @de
pref label: RAMA P
pref label: RAMO P @it

PCygniLineProfiles
type: Concept
broader: LineProfiles
pref label: P CYGNI LINE PROFILES @en
pref label: P CYGNI-LINIENPROFILE @de
pref label: PERFILES DE LINEA TIPO P CYGNI
pref label: PROFIL DE RAIE DE TYPE P CYGNI @fr
pref label: PROFILI DI RIGHE TIPO P CYGNI @it
related: EmissionLineStars
related: MassLoss
related: SDoradusStars
related: ShellStars
related: SymbioticStars

PeculiarGalaxies
type: Concept
broader: Galaxies
broader: PeculiarObjects
narrower: CompactGalaxies
narrower: DwarfGalaxies
narrower: EmissionLineGalaxies
narrower: EpGalaxies
narrower: InteractingGalaxies
narrower: RingGalaxies
narrower: SeyfertGalaxies
pref label: GALASSIE PECULIARI @it
pref label: GALAXIAS PECULIARES
pref label: GALAXIE PECULIERE @fr
pref label: PECULIAR GALAXIES @en
pref label: PEKULIAERE GALAXIEN @de
related: MarkarianGalaxies

PeculiarGiantStars
type: Concept
broader: GiantStars
broader: PeculiarStars
pref label: ESTRELLAS GIGANTES PECULIARES
pref label: ETOILE GEANTE PECULIERE @fr
pref label: PECULIAR GIANT STARS @en
pref label: PEKULIAERE RIESENSTERNE @de
pref label: STELLE GIGANTI PECULIARI @it

PeculiarMotions
type: Concept
pref label: MOTI PECULIARI @it
pref label: MOUVEMENT PECULIER @fr
pref label: MOVIMIENTOS PECULIARES
pref label: PECULIAR MOTIONS @en
pref label: PEKULIAERE BEWEGUNGEN @de
related: LocalStandardOfRest
related: PeculiarVelocity
related: ProperMotions
related: RadialVelocity
related: StellarMotions

PeculiarObjects
type: Concept
narrower: PeculiarGalaxies
narrower: PeculiarStars
pref label: OBJET PECULIER @fr
pref label: OBJETOS PECULIARES
pref label: OGGETTI PECULIARI @it
pref label: PECULIAR OBJECTS @en
pref label: PEKULIAERE OBJEKTE @de
scope note: Combine with other terms

PeculiarStars
type: Concept
broader: PeculiarObjects
narrower: ApStars
narrower: BpStars
narrower: HeavyMetalStars
narrower: HolmiumStars
narrower: MagneticStars
narrower: PeculiarGiantStars
narrower: PeculiarVariableStars
pref label: ESTRELLAS PECULIARES
pref label: ETOILE PECULIERE @fr
pref label: PECULIAR STARS @en
pref label: STELLE PECULIARI @it
pref label: STERNE MIT PEKULIAEREM SPEKTRUM @de
related: AbnormalSpectra
related: Abundance
related: ChemicalComposition
related: EmissionLineStars
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

PeculiarVariableStars
type: Concept
broader: PeculiarStars
broader: VariableStars
pref label: ESTRELLAS VARIABLES PECULIARES
pref label: ETOILE VARIABLE PECULIERE @fr
pref label: PECULIAR VARIABLE STARS @en
pref label: PEKULIAERE VERAENDERLICHE @de
pref label: STELLE VARIABILI PECULIARI @it

PeculiarVelocity
type: Concept
broader: Velocity
pref label: PECULIAR VELOCITY @en
pref label: PEKULIARBEWEGUNG @de
pref label: VELOCIDAD PECULIAR
pref label: VELOCITA PECULIARE @it
pref label: VITESSE PECULIERE @fr
related: LocalStandardOfRest
related: PeculiarMotions
related: RadialVelocity
related: StellarMotions

PencilBeams
type: Concept
pref label: FASCI FILIFORMI; UF FASCI CONCENTRATI @it
pref label: HACES FILIFORMES
pref label: PENCIL BEAMS @en
pref label: PINCEAU DE LUMIERE @fr
pref label: SCHARFGEBUENDELTE STRAHLEN / KREISF ANTENNENKEULE @de
related: MillsCrossAntennas
related: RadioInterferometers

Pendulums
type: Concept
broader: TimingEquipment
pref label: PENDEL @de
pref label: PENDOLI @it
pref label: PENDULE @fr
pref label: PENDULOS
pref label: PENDULUMS @en
related: Geodesy
related: Gravity
related: Oscillations

PenroseProcess
type: Concept
pref label: PENROSE PROCESS @en
pref label: PENROSE-PROZESS @de
pref label: PROCESO PENROSE
pref label: PROCESSO PENROSE @it
pref label: PROCESSUS DE PENROSE @fr
related: BlackHoles

Penumbra
type: Concept
pref label: HALBSCHATTEN @de
pref label: PENOMBRA @it
pref label: PENOMBRE @fr
pref label: PENUMBRA
related: Eclipses
related: LunarEclipse
related: PenumbralFilaments
related: SolarEclipse
related: Sunspots
related: Umbra
related: WilsonEffect

PenumbralFilaments
type: Concept
pref label: FILAMENT DE PENOMBRE @fr
pref label: FILAMENTI PENOMBRALI @it
pref label: FILAMENTOS PENUMBRALES
pref label: PENUMBRA-FILAMENT @de
pref label: PENUMBRAL FILAMENTS @en
related: Penumbra

Periapsis
type: Concept
pref label: PERIAPSIDE
pref label: PERIAPSIS @de
related: Periastron
related: Perihelion

Periastron
type: Concept
broader: Apsides
pref label: PERIASTRE @fr
pref label: PERIASTRO
pref label: PERIASTRON @de
related: Apastron
related: Periapsis

Pericenter
type: Concept
pref label: PERICENTER @en
pref label: PERICENTRE @fr
pref label: PERICENTRO
pref label: PERIZENTRUM @de
related: CenterOfMass

Perigee
type: Concept
broader: Apsides
pref label: PERIGAEUM @de
pref label: PERIGEE @fr
pref label: PERIGEO
related: Apogee
related: Earth
related: Moon

Perihelion
type: Concept
broader: Apsides
pref label: PERIELIO @it
pref label: PERIHEL @de
pref label: PERIHELIE @fr
pref label: PERIHELIO
pref label: PERIHELION @en
related: Aphelion
related: EarthOrbit
related: Periapsis
related: Planets

Period
type: Concept
broader: OrbitalElements
broader: PhotometricElements
pref label: PERIOD @en
pref label: PERIODE @de
pref label: PERIODO
related: BinaryStars
related: Cycle
related: LightCurves
related: Orbits
related: PhaseWave
related: Planets
related: PulsatingVariableStars
related: PulsationModes
related: Rotation
related: VariableStars
related: VelocityCurves

PeriodAgeRelation
type: Concept
pref label: PERIOD AGE RELATION @en
pref label: PERIODE-ALTER-BEZIEHUNG @de
pref label: RELACION PERIODO EDAD
pref label: RELATION AGE PERIODE @fr
pref label: RELAZIONE PERIODO ETA @it
related: Cepheids
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation

PeriodChange
type: Concept
alt label: Periodenaenderung @de
alt label: VARIACION DE PERIODO
alt label: period variation @en
alt label: variation de la periode @fr
alt label: variazione di periodo @it
pref label: CAMBIO DE PERIODO
pref label: CAMBIO DI PERIODO @it
pref label: CHANGEMENT DE PERIODE @fr
pref label: PERIOD CHANGE @en
pref label: PERIODENWECHSEL @de
related: BinaryStars
related: PulsatingVariableStars

PeriodColorRelation
type: Concept
pref label: PERIOD COLOR RELATION @en
pref label: PERIODE-FARBEN-BEZIEHUNG @de
pref label: RELACION PERIODO COLOR
pref label: RELATION PERIODE COULEUR @fr
pref label: RELAZIONE PERIODO COLORE @it
related: Cepheids
related: PeriodAgeRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodDensityRelation
type: Concept
pref label: PERIOD DENSITY RELATION @en
pref label: PERIODE-DICHTE-BEZIEHUNG @de
pref label: RELACION PERIODO DENSIDAD
pref label: RELATION PERIODE DENSITE @fr
pref label: RELAZIONE PERIODO DENSITA @it
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodDetermination
type: Concept
pref label: DETERMINACION DE PERIODO
pref label: DETERMINATION DE LA PERIODE @fr
pref label: DETERMINAZIONE DEL PERIODO @it
pref label: PERIOD DETERMINATION @en
pref label: PERIODENBESTIMMUNG @de
related: BinaryStars
related: VariableStars
related: WaveformAnalysis

PeriodicComets
type: Concept
broader: Comets
pref label: COMETAS PERIODICOS
pref label: COMETE PERIODICHE @it
pref label: COMETE PERIODIQUE @fr
pref label: PERIODIC COMETS @en
pref label: PERIODISCHE KOMETEN @de

PeriodicOrbits
type: Concept
broader: Orbits
narrower: EllipticalOrbits
pref label: ORBITAS PERIODICAS
pref label: ORBITE PERIODICHE @it
pref label: ORBITE PERIODIQUE @fr
pref label: PERIODIC ORBITS @en
pref label: PERIODISCHE BAHNEN @de

PeriodLuminosityColorRelation
type: Concept
alt label: plc relation @en
alt label: plc-Beziehung @de
alt label: relacion plc
alt label: relation plc @fr
alt label: relazione plc @it
pref label: PERIOD LUMINOSITY COLOR RELATION @en
pref label: PERIODE-LEUCHTKRAFT-FARBE-BEZIEHUNG @de
pref label: RELACION PERIODO LUMINOSIDAD COLOR
pref label: RELATION COULEUR PERIODE LUMINOSITE @fr
pref label: RELAZIONE PERIODO LUMINOSITA COLORE @it
related: Cepheids
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodLuminosityRelation
type: Concept
alt label: pl relation @en
alt label: pl-Beziehung @de
alt label: relacion pl
alt label: relation pl @fr
alt label: relazione pl @it
pref label: PERIOD LUMINOSITY RELATION @en
pref label: PERIODE-LEUCHTKRAFT-BEZIEHUNG @de
pref label: RELACION PERIODO LUMINOSIDAD
pref label: RELATION PERIODE LUMINOSITE @fr
pref label: RELAZIONE PERIODO LUMINOSITA @it
related: Cepheids
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodMassRelation
type: Concept
pref label: PERIOD MASS RELATION @en
pref label: PERIODE-MASSE-BEZIEHUNG @de
pref label: RELACION PERIODO MASA
pref label: RELATION PERIODE MASSE @fr
pref label: RELAZIONE PERIODO MASSA @it
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodRadiusRelation
type: Concept
pref label: PERIOD RADIUS RELATION @en
pref label: PERIODE-RADIUS-BEZIEHUNG @de
pref label: RELACION PERIODO RADIO
pref label: RELATION PERIODE RAYON @fr
pref label: RELAZIONE PERIODO RAGGIO @it
related: Cepheids
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodSpectrumRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

PeriodSpectrumRelation
type: Concept
pref label: PERIOD SPECTRUM RELATION @en
pref label: PERIODE-SPEKTRUM-BEZIEHUNG @de
pref label: RELACION PERIODO ESPECTRO
pref label: RELATION PERIODE SPECTRE @fr
pref label: RELAZIONE PERIODO SPETTRO @it
related: Cepheids
related: PeriodAgeRelation
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PulsatingVariableStars
related: RadiusLuminosityRelation

Peripherals
type: Concept
pref label: PERIFERICHE @it
pref label: PERIFERICOS
pref label: PERIPHERALS @en
pref label: PERIPHERIQUE @fr
pref label: RAENDER @de
related: Computers
related: Instrumentation
scope note: Combine with other terms

Perturbation
type: Concept
pref label: PERTURBACION
pref label: PERTURBATION @fr
pref label: PERTURBAZIONE @it
pref label: STOERUNG @de
related: CelestialMechanics
related: NBodyProblem
related: Orbits
related: OsculatoryElements
related: PerturbationTheory
related: ThreeBodyProblem

PerturbationTheory
type: Concept
pref label: PERTURBATION THEORY @en
pref label: STOERUNGSTHEORIE @de
pref label: TEORIA DE LAS PERTURBACIONES
pref label: TEORIA DELLE PERTURBAZIONI @it
pref label: THEORIE DES PERTURBATIONS @fr
related: CelestialMechanics
related: Gravitation
related: Orbits
related: Perturbation

Petrology
type: Concept
broader: Geology
pref label: GESTEINSKUNDE @de
pref label: PETROLOGIA
pref label: PETROLOGIE @fr
pref label: PETROLOGY @en
related: Planets
related: SurfacesCelestialBodies

PfundSeries
type: Concept
broader: InfraredRadiation
pref label: PFUND SERIES @en
pref label: PFUND-SERIE @de
pref label: SERIE DE PFUND
pref label: SERIE DI PFUND @it
related: BalmerSeries
related: BrackettSeries
related: HydrogenSpectrum
related: LymanSeries
related: PaschenSeries

PhaseAngle
type: Concept
pref label: ANGLE DE PHASE @fr
pref label: ANGOLO DI FASE @it
pref label: ANGULO DE FASE
pref label: PHASE ANGLE @en
pref label: PHASENWINKEL @de
related: Moon
related: PhaseMoon
related: Planets

PhasedArrays
type: Concept
broader: Arrays
pref label: GRUPPI DI DIPOLI IN FASE @it
pref label: ORDENAMIENTOS EN FASE
pref label: PHASED ARRAYS @en
pref label: RADIOTELESKOPE MIT PHASEN-ABSTIMMUNG @de
pref label: RESEAU PHASE @fr
related: PhaseWave
related: RadioInterferometers

PhaseDefect
type: Concept
pref label: DEFAUT DE PHASE @fr
pref label: DEFECTO DE FASE
pref label: DIFETTO DI FASE @it
pref label: PHASE DEFECT @en
pref label: PHASENDEFEKT @de
related: Moon
related: ObliquityOfEcliptic
related: PhaseMoon

PhaseDifference
type: Concept
pref label: DIFERENCIA DE FASE
pref label: DIFFERENCE DE PHASE @fr
pref label: DIFFERENZA DI FASE @it
pref label: PHASE DIFFERENCE @en
pref label: PHASENUNTERSCHIED @de
related: PhaseWave

PhaseEffects
type: Concept
pref label: EFECTOS DE FASE
pref label: EFFET DE PHASE @fr
pref label: EFFETTI DI FASE @it
pref label: PHASE EFFECTS @en
pref label: PHASENEFFEKTE @de
related: PhaseMoon

PhaseErrors
type: Concept
pref label: ERREUR DE PHASE @fr
pref label: ERRORES DE FASE
pref label: ERRORI DI FASE @it
pref label: PHASE ERRORS @en
pref label: PHASENFEHLER @de
related: PhaseWave

PhaseFunction
type: Concept
pref label: FONCTION DE PHASE @fr
pref label: FUNCION DE FASE
pref label: FUNZIONE DI FASE @it
pref label: PHASE FUNCTION @en
pref label: PHASENFUNKTION @de
related: PhaseWave
related: RadiationScattering

PhaseMoon
type: Concept
alt label: Mondphasen @de
alt label: fases lunares
alt label: fasi lunari @it
alt label: lunar phases @en
alt label: phase de la lune @fr
pref label: FASE LUNAR
pref label: FASE [LUNARE] @it
pref label: MONDPHASE @de
pref label: PHASE [LUNE] @fr
pref label: PHASE [MOON] @en
related: Illumination
related: MetonicCycle
related: PhaseAngle
related: PhaseDefect
related: PhaseEffects
related: SarosCycle
related: TerminatorLines
scope note: Of the moon.

PhaseRotator
type: Concept
pref label: PHASE ROTATOR @en
pref label: PHASENROTATOR / PHASENSCHIEBER ? @de
pref label: ROTADOR DE FASE
pref label: ROTATEUR DE PHASE @fr
pref label: ROTATORE DI FASE @it
related: PhaseWave
related: RadioTelescopes

PhaseSensitiveDetectors
type: Concept
pref label: DETECTEUR DE PHASE @fr
pref label: DETECTORES SENSIBLE A LA FASE
pref label: PHASE SENSITIVE DETECTORS @en
pref label: PHASENEMPFINDLICHE DETEKTOREN @de
pref label: RIVELATORI DI FASE @it
related: PhaseSwitchingInterferometers
related: PhaseWave
related: Receivers

PhaseShift
type: Concept
pref label: DEPHASAGE @fr
pref label: DESFASAGE
pref label: PHASE SHIFT @en
pref label: PHASENVERSCHIEBUNG @de
pref label: SFASAMENTO @it
related: LightCurves
related: PhaseWave
related: VariableStars
related: VelocityCurves

PhaseSpace
type: Concept
pref label: ESPACE DE PHASE @fr
pref label: ESPACIO DE FASES
pref label: PHASE SPACE @en
pref label: PHASENRAUM @de
pref label: SPAZIO DELLE FASI @it
related: PhaseWave
related: VelocitySpace

PhaseSwitching
type: Concept
pref label: COMMUTATION DE PHASE @fr
pref label: COMMUTAZIONE DI FASE @it
pref label: CONMUTACION EN FASE
pref label: PHASE SWITCHING @en
pref label: PHASENSCHALTUNG @de
related: PhaseWave
related: RadioTelescopes
related: Receivers

PhaseSwitchingInterferometers
type: Concept
broader: Interferometers
pref label: INTERFEROMETER MIT PHASENSCHALTUNG @de
pref label: INTERFEROMETRE A COMMUTATION DE PHASE @fr
pref label: INTERFEROMETRI A COMMUTAZIONE DI FASE @it
pref label: INTERFEROMETROS DE CONMUTACION EN FASE
pref label: PHASE SWITCHING INTERFEROMETERS @en
related: PhaseSensitiveDetectors
related: PhaseWave

PhaseWave
type: Concept
pref label: FASE [ONDA]
pref label: PHASE [ONDE] @fr
pref label: PHASE [WAVE] @en
pref label: WELLENPHASE @de
related: BinaryStars
related: LightCurves
related: Period
related: PhaseDifference
related: PhaseErrors
related: PhaseFunction
related: PhaseRotator
related: PhaseSensitiveDetectors
related: PhaseShift
related: PhaseSpace
related: PhaseSwitching
related: PhaseSwitchingInterferometers
related: PhasedArrays
related: VariableStars
related: VelocityCurves
scope note: Of a repeating wave.

PhillipsBands
type: Concept
broader: InfraredRadiation
broader: MolecularBands
broader: MolecularSpectra
pref label: BANDAS DE PHILLIPS
pref label: BANDE DE PHILLIPS @fr
pref label: BANDE DI PHILLIPS @it
pref label: PHILLIPS BANDS @en
pref label: PHILLIPS-BANDE/N @de

Phosphorescence
type: Concept
pref label: FOSFORESCENCIA
pref label: FOSFORESCENZA @it
pref label: PHOSPHORESCENCE @fr
pref label: PHOSPHORESZENZ @de
related: ImageTubes
related: PhosphorescentScintillation
related: ScintillationCounters

PhosphorescentScintillation
type: Concept
broader: Scintillation
pref label: CENTELLEO FOSFORESCENTE
pref label: PHOSPHORESCENT SCINTILLATION @en
pref label: PHOSPHORESZIERENDE SZINTILLATION @de
pref label: SCINTILLATION PHOSPHORESCENTE @fr
pref label: SCINTILLAZIONE FOSFORESCENTE @it
related: CosmicRayShowers
related: ImageTubes
related: Phosphorescence
related: ScintillationCounters

Photocathodes
type: Concept
broader: Cathodes
broader: Electrodes
pref label: FOTOCATODI @it
pref label: FOTOCATODOS
pref label: PHOTOCATHODE @fr
pref label: PHOTOCATHODES @en
pref label: PHOTOKATHODEN @de
related: ImageTubes
related: PhotomultiplierTubes

Photochemistry
type: Concept
pref label: FOTOCHIMICA @it
pref label: FOTOQUIMICA
pref label: PHOTOCHEMIE @de
pref label: PHOTOCHEMISTRY @en
pref label: PHOTOCHIMIE @fr
related: PhotographicDevelopers
related: PhotographicMaterials
related: PhotographicProcessing

PhotoconductiveCells
type: Concept
pref label: CELLULE PHOTOCONDUCTIVE @fr
pref label: CELULAS FOTOCONDUCTORAS
pref label: FOTORESISTORI; UF CELLULE FOTOCONDUTTRICI @it
pref label: PHOTOCONDUCTIVE CELLS @en
pref label: WIDERSTANDSZELLEN @de
related: PhotomultiplierTubes

Photodiodes
type: Concept
broader: PhotoelectronicDevices
narrower: AvalanchePhotodiodes
pref label: FOTODIODI @it
pref label: FOTODIODOS
pref label: PHOTODIODE @fr
pref label: PHOTODIODEN @de
pref label: PHOTODIODES @en
related: Photometry

Photodissociation
type: Concept
pref label: FOTODISOCIACION
pref label: FOTODISSOCIAZIONE ; UF DISSOCIAZIONE FOTOCHIMICA @it
pref label: PHOTODISSOCIATION @fr
pref label: PHOTODISSOZIATION @de
related: Absorption

PhotoelectricInstruments
type: Concept
narrower: ImageTubes
narrower: PhotomultiplierTubes
pref label: INSTRUMENT PHOTOELECTRIQUE @fr
pref label: INSTRUMENTOS FOTOELECTRICOS
pref label: PHOTOELECTRIC INSTRUMENTS @en
pref label: PHOTOELEKTRISCHE INSTRUMENTE @de
pref label: STRUMENTI FOTOELETTRICI @it

PhotoelectricMagnitudes
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUDE PHOTOELECTRIQUE @fr
pref label: MAGNITUDES FOTOELECTRICAS
pref label: MAGNITUDINI FOTOELETTRICHE @it
pref label: PHOTOELECTRIC MAGNITUDES @en
pref label: PHOTOELEKTRISCHE HELLIGKEIT @de
related: PhotographicMagnitudes
related: PhotovisualMagnitudes

PhotoelectricPhotometers
type: Concept
broader: Photometers
pref label: FOTOMETRI FOTOELETTRICI @it
pref label: FOTOMETROS FOTOELECTRICOS
pref label: PHOTOELECTRIC PHOTOMETERS @en
pref label: PHOTOELEKTRISCHE PHOTOMETER @de
pref label: PHOTOMETRE PHOTOELECTRIQUE @fr

PhotoelectricPhotometry
type: Concept
broader: Photometry
narrower: BroadBandPhotometry
narrower: MediumBandPhotometry
narrower: NarrowBandPhotometry
pref label: FOTOMETRIA FOTOELECTRICA
pref label: FOTOMETRIA FOTOELETTRICA @it
pref label: PHOTOELECTRIC PHOTOMETRY @en
pref label: PHOTOELEKTRISCHE PHOTOMETRIE @de
pref label: PHOTOMETRIE PHOTOELECTRIQUE @fr
related: CcdPhotometry
related: PhotographicPhotometry

PhotoelectronicDevices
type: Concept
narrower: AvalanchePhotodiodes
narrower: ChargeCoupledDevices
narrower: ChargeInjectionDevices
narrower: ChargeTransferDevices
narrower: ImageTubes
narrower: Photodiodes
narrower: PhotomultiplierTubes
narrower: TelevisionDetectors
pref label: APPARECCHI FOTOELETTRONICI @it
pref label: DISPOSITIF PHOTOELECTRONIQUE @fr
pref label: DISPOSITIVOS FOTOELECTRONICOS
pref label: PHOTOELECTRONIC DEVICES @en
pref label: PHOTOELEKTRONISCHE GERAETE @de

Photogrammetry
type: Concept
pref label: FOTOGRAMETRIA
pref label: FOTOGRAMMETRIA @it
pref label: PHOTOGRAMMETRIE @de
pref label: PHOTOGRAMMETRY @en
related: Maps
related: Photographs
related: Photography

PhotographicAstrometry
type: Concept
broader: Astrometry
pref label: ASTROMETRIA FOTOGRAFICA
pref label: ASTROMETRIE PHOTOGRAPHIQUE @fr
pref label: PHOTOGRAPHIC ASTROMETRY @en
pref label: PHOTOGRAPHISCHE ASTROMETRIE @de
related: ProperMotions

PhotographicDevelopers
type: Concept
pref label: PHOTOGRAPHIC DEVELOPERS @en
pref label: PHOTOGRAPHISCHE ENTWICKLER @de
pref label: REVELADORES FOTOGRAFICOS
pref label: REVELATEUR PHOTOGRAPHIQUE @fr
pref label: SVILUPPATORI FOTOGRAFICI @it
related: Photochemistry
related: PhotographicProcessing
related: Photographs

PhotographicEmulsions
type: Concept
broader: Detectors
broader: PhotographicMaterials
pref label: EMULSION PHOTOGRAPHIQUE @fr
pref label: EMULSIONES FOTOGRAFICAS
pref label: EMULSIONI FOTOGRAFICHE @it
pref label: PHOTOGRAPHIC EMULSIONS @en
pref label: PHOTOGRAPHISCHE EMULSIONEN @de
related: Halation
related: PhotographicFilms
related: PhotographicPlates
related: Photographs
related: Photography
related: QuantumEfficiency
related: Turbidity

PhotographicFilms
type: Concept
alt label: PELICULAS [FOTOGRAFICAS]
alt label: Photographische Filme @de
alt label: films [photographic] @en
alt label: films [photographiques] / pellicules @fr
alt label: pellicole [fotografiche] @it
broader: PhotographicMaterials
pref label: FILM PHOTOGRAPHIQUE @fr
pref label: PELICULA FOTOGRAFICA
pref label: PELLICOLE FOTOGRAFICHE @it
pref label: PHOTOGRAPHIC FILMS @en
pref label: PHOTOGRAPHISCHE FILME @de
related: PhotographicEmulsions
related: Photographs
related: Photography

PhotographicFilters
type: Concept
broader: OpticalFilters
pref label: FILTRE PHOTOGRAPHIQUE @fr
pref label: FILTRI FOTOGRAFICI @it
pref label: FILTROS FOTOGRAFICOS
pref label: PHOTOGRAPHIC FILTERS @en
pref label: PHOTOGRAPHISCHE FILTER @de

PhotographicInstruments
type: Concept
narrower: Cameras
narrower: SchmidtCameras
narrower: SchmidtTelescopes
pref label: INSTRUMENT PHOTOGRAPHIQUE @fr
pref label: INSTRUMENTOS FOTOGRAFICOS
pref label: PHOTOGRAPHIC INSTRUMENTS @en
pref label: PHOTOGRAPHISCHE INSTRUMENTE @de
pref label: STRUMENTI FOTOGRAFICI @it

PhotographicMagnitudes
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUDE PHOTOGRAPHIQUE @fr
pref label: MAGNITUDES FOTOGRAFICAS
pref label: MAGNITUDINI FOTOGRAFICHE @it
pref label: PHOTOGRAPHIC MAGNITUDES @en
pref label: PHOTOGRAPHISCHE HELLIGKEIT @de
related: PhotoelectricMagnitudes
related: PhotovisualMagnitudes

PhotographicMaterials
type: Concept
narrower: PhotographicEmulsions
narrower: PhotographicFilms
narrower: PhotographicPlates
pref label: MATERIALES FOTOGRAFICOS
pref label: MATERIALI FOTOGRAFICI @it
pref label: MATERIEL PHOTOGRAPHIQUE @fr
pref label: PHOTOGRAPHIC MATERIALS @en
pref label: PHOTOGRAPHISCHE MATERIALIEN @de
related: Photochemistry
related: Photographs

PhotographicPhotometry
type: Concept
broader: Photometry
narrower: BroadBandPhotometry
pref label: FOTOMETRIA FOTOGRAFICA
pref label: PHOTOGRAPHIC PHOTOMETRY @en
pref label: PHOTOGRAPHISCHE PHOTOMETRIE @de
pref label: PHOTOMETRIE PHOTOGRAPHIQUE @fr
related: CcdPhotometry
related: PhotoelectricPhotometry

PhotographicPlates
type: Concept
broader: PhotographicMaterials
pref label: LASTRE FOTOGRAFICHE @it
pref label: PHOTOGRAPHIC PLATES @en
pref label: PHOTOGRAPHISCHE PLATTEN @de
pref label: PLACAS FOTOGRAFICAS
pref label: PLAQUE PHOTOGRAPHIQUE @fr
related: PhotographicEmulsions
related: Photographs
related: Photography
related: Reseaux

PhotographicProcessing
type: Concept
pref label: DEVELOPPEMENT PHOTOGRAPHIQUE @fr
pref label: ELABORAZIONE FOTOGRAFICA @it
pref label: PHOTOGRAPHIC PROCESSING @en
pref label: PHOTOGRAPHISCHE ENTWICKLUNG @de
pref label: PROCESAMIENTO FOTOGRAFICO
related: Darkrooms
related: Photochemistry
related: PhotographicDevelopers
related: Photography
related: UnsharpMasking

Photographs
type: Concept
broader: Images
pref label: FOTOGRAFIAS
pref label: FOTOGRAFIE @it
pref label: PHOTOGRAPHIE [objet] @fr
pref label: PHOTOGRAPHIEN @de
pref label: PHOTOGRAPHS @en
related: Cameras
related: Microdensitometers
related: Photogrammetry
related: PhotographicDevelopers
related: PhotographicEmulsions
related: PhotographicFilms
related: PhotographicMaterials
related: PhotographicPlates

Photography
type: Concept
alt label: Astrophotographie @de
alt label: astrofotografia
alt label: astrophotographie @fr
alt label: astrophotography @en
narrower: AllSkyPhotography
narrower: ColorPhotography
narrower: FalseColorPhotography
narrower: StreakPhotography
narrower: UltravioletPhotography
pref label: FOTOGRAFIA
pref label: PHOTOGRAPHIE @de
pref label: PHOTOGRAPHIE [technique] @fr
pref label: PHOTOGRAPHY @en
related: AstronomicalTechniques
related: Cameras
related: Darkrooms
related: EdgeEffects
related: HdCurve
related: Images
related: Microphotometers
related: ObservingTechniques
related: Photogrammetry
related: PhotographicEmulsions
related: PhotographicFilms
related: PhotographicPlates
related: PhotographicProcessing
related: Spectrography
related: UnsharpMasking

Photoheliographs
type: Concept
pref label: FOTOELIOGRAFI @it
pref label: FOTOHELIOGRAFO
pref label: PHOTOHELIOGRAPHE @fr
pref label: PHOTOHELIOGRAPHEN @de
pref label: PHOTOHELIOGRAPHS @en
related: Spectroheliographs

Photoionization
type: Concept
broader: Ionization
pref label: FOTOIONIZACION
pref label: FOTOIONIZZAZIONE @it
pref label: PHOTOIONISATION @de
pref label: PHOTOIONIZATION @en
related: Absorption
related: Auroras
related: Electrons
related: Recombination

Photoluminescence
type: Concept
broader: LightEmission
narrower: XRayFluorescence
pref label: FOTOLUMINESCENZA @it
pref label: FOTOLUMINISCENCIA
pref label: PHOTOLUMINESCENCE @fr
pref label: PHOTOLUMINESZENZ @de
related: Fluorescence

Photometers
type: Concept
broader: OpticalInstruments
broader: TelescopeInstrumentation
narrower: HighSpeedPhotometers
narrower: PhotoelectricPhotometers
narrower: Spectrophotometers
pref label: FOTOMETRI @it
pref label: FOTOMETROS
pref label: PHOTOMETER @de
pref label: PHOTOMETERS @en
pref label: PHOTOMETRE @fr
related: Bolometers
related: CcdDetectors
related: InfraredDetectors
related: Photometry
related: PhotomultiplierTubes
related: Polarimeters
related: Radiometers
related: UltravioletDetectors

PhotometricElements
type: Concept
narrower: LightCurves
narrower: Maxima
narrower: Minima
narrower: Period
pref label: ELEMENT PHOTOMETRIQUE @fr
pref label: ELEMENTI FOTOMETRICI @it
pref label: ELEMENTOS FOTOMETRICOS
pref label: PHOTOMETRIC ELEMENTS @en
pref label: PHOTOMETRISCHE ELEMENTE @de
related: EclipsingBinaryStars

PhotometricParallax
type: Concept
broader: Parallaxes
pref label: PARALAJE FOTOMETRICA
pref label: PARALLASSE FOTOMETRICA @it
pref label: PARALLAXE PHOTOMETRIQUE @fr
pref label: PHOTOMETRIC PARALLAX @en
pref label: PHOTOMETRISCHE PARALLAXE @de
related: Photometry

PhotometricStandardStars
type: Concept
broader: StandardStars
pref label: ESTRELLAS DE REFERENCIA FOTOMETRICA
pref label: PHOTOMETRIC STANDARD STARS @en
pref label: PHOTOMETRISCHE STANDARDSTERNE @de
pref label: STANDARD PHOTOMETRIQUE @fr
pref label: STELLE STANDARD FOTOMETRICHE @it
related: Photometry
related: StandardCandles

PhotometricSystems
type: Concept
narrower: CapePhotometry
narrower: DdoPhotometry
narrower: GenevaPhotometry
narrower: JohnsonPhotometry
narrower: StromgrenPhotometry
narrower: WalravenPhotometry
pref label: PHOTOMETRIC SYSTEMS @en
pref label: PHOTOMETRISCHE SYSTEME @de
pref label: SISTEMAS FOTOMETRICOS
pref label: SISTEMI FOTOMETRICI @it
pref label: SYSTEME PHOTOMETRIQUE @fr
related: ApparentMagnitudes
related: Photometry

Photometry
type: Concept
alt label: FOTOMETRIA CON FILTRO
alt label: FOTOMETRIA MULTICOLOR
alt label: Filterphotometrie @de
alt label: Vielfarbenphotometrie @de
alt label: filter photometry @en
alt label: fotometria con filtri @it
alt label: fotometria multicolore @it
alt label: multicolor photometry @en
alt label: photometrie a filtres @fr
alt label: photometrie a plusieurs couleurs @fr
broader: AstronomicalTechniques
broader: ObservingTechniques
narrower: CcdPhotometry
narrower: InfraredPhotometry
narrower: PhotoelectricPhotometry
narrower: PhotographicPhotometry
narrower: SurfacePhotometry
narrower: UltravioletPhotometry
pref label: FOTOMETRIA
pref label: PHOTOMETRIE @de
pref label: PHOTOMETRY @en
related: ApparentMagnitudes
related: AutomaticPatrolTelescopes
related: AvalanchePhotodiodes
related: Color
related: ColorEquation
related: ColorExcesses
related: ColorIndices
related: ColorLuminosityRelation
related: ColorMagnitudeRelation
related: DriftScans
related: ERegions
related: EffectiveTemperature
related: FRegions
related: InterferenceFilters
related: IntrinsicColors
related: Magnitudes
related: OpticalFilters
related: Photodiodes
related: Photometers
related: PhotometricParallax
related: PhotometricStandardStars
related: PhotometricSystems
related: Polarimetry
related: PurkinjeEffect
related: Spectrophotometry
related: StandardCandles
related: TwoColorDiagrams
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

PhotomultiplierTubes
type: Concept
alt label: Photozellen @de
alt label: Zellen @de
alt label: celdas
alt label: celle @it
alt label: cells @en
alt label: cellule @fr
alt label: cellule fotoelettriche @it
alt label: cellule photoelectrique @fr
alt label: celulas fotoelectricas
alt label: fotocellule @it
alt label: fotocelulas
alt label: photocells @en
alt label: photoelectric cells @en
alt label: photoelektrische Zellen @de
broader: Detectors
broader: PhotoelectricInstruments
broader: PhotoelectronicDevices
pref label: FOTOMOLTIPLICATORI @it
pref label: PHOTOMULTIPLICATEUR @fr
pref label: PHOTOMULTIPLIER TUBES @en
pref label: PHOTOVERVIELFACHER @de
pref label: TUBOS FOTOMULTIPLICADORES
related: Amplifiers
related: Cathodes
related: Electrodes
related: Instrumentation
related: Photocathodes
related: PhotoconductiveCells
related: Photometers
related: QuadrantDetectors
related: QuantumEfficiency
related: ScintillationCounters

PhotonCountingSystems
type: Concept
pref label: PHOTON COUNTING SYSTEMS @en
pref label: PHOTONENZAEHLENDE SYSTEME @de
pref label: SISTEMAS DE CONTEO DE FOTONES
pref label: SISTEMI A CONTEGGIO DI FOTONI @it
pref label: SYSTEME A COMPTAGE DE PHOTONS @fr
related: Counters

Photons
type: Concept
broader: Bosons
broader: ElementaryParticles
pref label: FOTONES
pref label: FOTONI @it
pref label: PHOTON @fr
pref label: PHOTONEN @de
pref label: PHOTONS @en
related: ElectromagneticWaves
related: InverseComptonEffect
related: InverseComptonScattering
related: Mesons
related: Quantum
related: Radiation
related: RadiationPressure
related: RadiativeRecombination

Photosphere
type: Concept
alt label: Umkehrschicht @de
alt label: capa de inversion
alt label: couche d'inversion @fr
alt label: reversing layer @en
alt label: strato invertente @it
pref label: FOTOSFERA
pref label: PHOTOSPHAERE @de
pref label: PHOTOSPHERE @fr
related: Chromosphere
related: ContinuumRadiation
related: Faculae
related: Granulation
related: Granules
related: SolarSurface
related: Sun
related: SurfaceBrightness
related: SurfacesCelestialBodies

PhotovisualMagnitudes
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUDE PHOTOVISUELLE @fr
pref label: MAGNITUDES FOTOVISUALES
pref label: MAGNITUDINI FOTOVISUALI @it
pref label: PHOTOVISUAL MAGNITUDES @en
pref label: PHOTOVISUELLE HELLIGKEIT @de
related: PhotoelectricMagnitudes
related: PhotographicMagnitudes
related: VMagnitude
related: VisualMagnitude

PhotovoltaicCells
type: Concept
broader: SemiconductorDevices
pref label: CELLULE FOTOVOLTAICHE @it
pref label: CELLULE PHOTOVOLTAIQUE @fr
pref label: CELULAS FOTOVOLTAICAS
pref label: PHOTOVOLTAIC CELLS @en
pref label: SPERRSCHICHT-PHOTOZELLEN @de

Pions
type: Concept
broader: Bosons
broader: ElementaryParticles
pref label: MESONI PI; PIONI @it
pref label: PION @fr
pref label: PIONEN @de
pref label: PIONES
pref label: PIONS @en

PitchAngle
type: Concept
pref label: ANGLE DE CALAGE @fr
pref label: ANGOLO DI PITCH @it
pref label: ANGULO DE PASO
pref label: NEIGUNGSWINKEL / ANSTELLWINKEL @de
pref label: PITCH ANGLE @en
related: GalacticStructure
related: SpiralArms
related: SpiralGalaxies

Pixel
type: Concept
alt label: Bildelement @de
alt label: element d'image / pixel @fr
alt label: elemento de imagen
alt label: elemento di immagine @it
alt label: picture element @en
pref label: PIXEL
pref label: PIXEL / BILDELEMENT @de
related: Detectors
related: Resolution
related: TwoDimensionalDetectors

Plages
type: Concept
alt label: FACULAS SOLARES
alt label: Flocculi @de
alt label: PLAGES / CHROMOSPHAERISCHE FACKELN @de
alt label: facule solaire @fr
alt label: flocculi @it
alt label: floculos
alt label: regioni facolari solari @it
alt label: solar plages @en
pref label: CHROMOSPHAERISCHE FACKELN @de
pref label: FACULAS DE LA CROMOSFERA
pref label: FACULE @fr
pref label: PLAGES @en
pref label: REGIONI FACOLARI @it
related: Chromosphere
related: Faculae
related: Sunspots

PlanckBlackBodyFormula
type: Concept
pref label: FORMULA DE PLANCK DEL CUERPO NEGRO
pref label: FORMULA DI PLANCK @it
pref label: FORMULE DE PLANCK [CORPS NOIR] @fr
pref label: PLANCK BLACK BODY FORMULA @en
pref label: PLANCKSCHE SCHWARZKOERPERFORMEL @de
related: PlanckConstant
related: Radiation

PlanckConstant
type: Concept
pref label: CONSTANTE DE PLANCK
pref label: COSTANTE DI PLANCK @it
pref label: PLANCK CONSTANT @en
pref label: PLANCK-KONSTANTE @de
related: PlanckBlackBodyFormula

PlanePolarization
type: Concept
broader: PolarizationWaves
pref label: EBENE POLARISATION @de
pref label: PLAN DE POLARISATION @fr
pref label: PLANE POLARIZATION @en
pref label: POLARIZACION LINEAL
pref label: POLARIZZAZIONE LINEARE @it
related: CircularPolarization

Planetaria
type: Concept
pref label: PLANETARI @it
pref label: PLANETARIA @en
pref label: PLANETARIEN @de
pref label: PLANETARIOS
pref label: PLANETARIUM @fr
related: Motion
related: Observatories
related: Orreries

Planetary
type: Concept
pref label: PLANETAIRE @fr
pref label: PLANETARIO
pref label: PLANETARISCH @de
pref label: PLANETARY @en
scope note: See SN for PLANETS.

PlanetaryNebulae
type: Concept
broader: EmissionNebulae
broader: EvolvedStars
broader: Nebulae
pref label: NEBULEUSE PLANETAIRE @fr
pref label: NEBULOSAS PLANETARIAS
pref label: NEBULOSE PLANETARIE @it
pref label: PLANETARISCHE NEBEL @de
pref label: PLANETARY NEBULAE @en
related: Ansae
related: CentralStars
related: EmissionLineStars
related: ExcitingStars
related: HarmanSeatonSequence
related: MassLoss
related: RingNebulae

PlanetaryRings
type: Concept
broader: Rings
pref label: ANELLI PLANETARI @it
pref label: ANILLOS PLANETARIOS
pref label: ANNEAU PLANETAIRE @fr
pref label: PLANETARY RINGS @en
pref label: RINGE VON PLANETEN @de
related: Planets
related: ResonanceGaps
related: RingDivisions
related: RocheLimit
related: ShepherdSatellites

PlanetarySystems
type: Concept
narrower: SolarSystem
pref label: PLANETARY SYSTEMS @en
pref label: PLANETENSYSTEME @de
pref label: SISTEMAS PLANETARIOS
pref label: SISTEMI PLANETARI @it
pref label: SYSTEME PLANETAIRE @fr

PlanetaryTheory
type: Concept
pref label: PLANETARY THEORY @en
pref label: PLANETENTHEORIE @de
pref label: TEORIA PLANETARIA
pref label: THEORIE PLANETAIRE @fr
related: CelestialMechanics
related: SolarSystem

Planetesimals
type: Concept
pref label: PLANETESIMAL @fr
pref label: PLANETESIMALE @de
pref label: PLANETESIMALES
pref label: PLANETESIMALS @en
pref label: PLANETESIMI @it
related: MinorPlanets
related: Planets
related: Protoplanets
related: Satellites
related: SolarSystem

Planetology
type: Concept
pref label: PLANETOLOGIA
pref label: PLANETOLOGIE @de
pref label: PLANETOLOGY @en
related: Geology

Planets
type: Concept
narrower: Earth
narrower: ExtrasolarPlanets
narrower: GiantPlanets
narrower: HypotheticalPlanets
narrower: InnerPlanets
narrower: OuterPlanets
pref label: PIANETI @it
pref label: PLANETAS
pref label: PLANETE @fr
pref label: PLANETEN @de
pref label: PLANETS @en
related: Aeronomy
related: AlignmentPlanets
related: Aphelion
related: Astrology
related: Atmospheres
related: BodesLaw
related: BoundaryLayers
related: CenterOfMass
related: Collisions
related: Composition
related: Cores
related: Craters
related: Crust
related: DustStorms
related: EquatorialBulge
related: Evolution
related: Exosphere
related: GalileanSatellites
related: Geology
related: Geomagnetism
related: GreenhouseEffect
related: Interiors
related: Lithospheres
related: Mantles
related: Maps
related: MeanEquinox
related: Oblateness
related: Occultations
related: OrbitDetermination
related: Orbits
related: Origin
related: Perihelion
related: Period
related: Petrology
related: PhaseAngle
related: PlanetaryRings
related: Planetesimals
related: PolarCaps
related: PolarRegions
related: Protoplanets
related: ResonanceGaps
related: Rilles
related: RingDivisions
related: RocheLimit
related: Satellites
related: SemimajorAxis
related: SolarNebula
related: SolarPlanetaryRelations
related: SolarSystem
related: SpaceExploration
related: Structure
related: SurfacesCelestialBodies
related: SynodicPeriod
related: Syzygy
related: Topography
related: TwoBodyProblem
related: Volatiles
related: Volcanoes
related: WaterIce
related: WaterVapor
scope note: Combine either PLANET or PLANETARY with other terms.

PlanetSatellites
type: Concept
broader: Satellites
pref label: PLANET SATELLITES @en
pref label: SATELITES PLANETARIOS
pref label: SATELLITE PLANETAIRE @fr
pref label: SATELLITEN VON PLANETEN @de
pref label: SATELLITI DEI PIANETI @it

PlasmaClouds
type: Concept
broader: Clouds
pref label: NUAGE DE PLASMA @fr
pref label: NUBES DE PLASMA
pref label: NUBI DI PLASMA @it
pref label: PLASMA CLOUDS @en
pref label: PLASMAWOLKEN @de
related: Ions
related: PlasmaJets
related: Plasmas

PlasmaJets
type: Concept
broader: Jets
pref label: CHORROS DE PLASMA
pref label: GETTI DI PLASMA @it
pref label: JET DE PLASMA @fr
pref label: PLASMA JETS @en
pref label: PLASMASTROEME @de
related: Ions
related: PlasmaClouds
related: PlasmaLoops
related: Plasmas

PlasmaLoops
type: Concept
pref label: ANELLI DI PLASMA @it
pref label: BOUCLE DE PLASMA @fr
pref label: PLASMA LOOPS @en
pref label: PLASMASCHLEIFEN @de
pref label: RIZOS DE PLASMA
related: PlasmaJets
related: Plasmas

Plasmapause
type: Concept
pref label: PLASMAPAUSA
pref label: PLASMAPAUSE @de
related: Plasmas

PlasmaPhysics
type: Concept
pref label: FISICA DEI PLASMI @it
pref label: FISICA DEL PLASMA
pref label: PHYSIQUE DES PLASMAS @fr
pref label: PLASMA PHYSICS @en
pref label: PLASMAPHYSIK @de
related: Magnetohydrodynamics
related: Plasmas

Plasmas
type: Concept
alt label: Kosmische Plasmen @de
alt label: cosmic plasmas @en
alt label: plasma cosmique @fr
alt label: plasmas cosmicos
alt label: plasmi cosmici @it
broader: Particles
narrower: CollisionalPlasmas
narrower: LowTemperaturePlasmas
narrower: RelativisticPlasmas
narrower: SolarWind
narrower: StellarWinds
pref label: PLASMA @fr
pref label: PLASMAS
pref label: PLASMEN @de
pref label: PLASMI @it
related: ElementaryParticles
related: EnergeticParticles
related: HIiRegions
related: HoltsmarkApproximation
related: IonizedGases
related: Ions
related: PlasmaClouds
related: PlasmaJets
related: PlasmaLoops
related: PlasmaPhysics
related: PlasmaWaves
related: Plasmapause
related: RadiationBelts
related: RadiativeRecombination
related: Thermodynamics
related: Viscosity

PlasmaWaves
type: Concept
pref label: ONDAS DE PLASMA
pref label: ONDE DE PLASMAS @fr
pref label: ONDE DI PLASMA @it
pref label: PLASMA WAVES @en
pref label: PLASMAWELLEN @de
related: IonPlasmaWaves
related: Magnetohydrodynamics
related: Plasmas

PMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD P
pref label: MAGNITUDE P @fr
pref label: MAGNITUDINE P @it
pref label: P MAGNITUDE @en
pref label: P-HELLIGKEIT @de
related: FarInfraredRadiation
related: InfraredPhotometry

PogsonScale
type: Concept
pref label: ECHELLE DE POGSON @fr
pref label: ESCALA DE POGSON
pref label: POGSON SCALE @en
pref label: POGSON-SKALA @de
pref label: SCALA DI POGSON @it
related: Magnitudes

PoincareTheorem
type: Concept
pref label: POINCARE THEOREM @en
pref label: POINCARE-THEOREM @de
pref label: TEOREMA DE POINCARE
pref label: TEOREMA DI POINCARE @it
pref label: THEOREME DE POINCARE @fr
related: StarClusters
related: StellarDynamics

PointingAccuracy
type: Concept
pref label: "EINSTELL-,RICHTGENAUIGKEIT" @de
pref label: POINTING ACCURACY @en
pref label: PRECISION DE POINTAGE @fr
pref label: PRECISIONE DI PUNTAMENTO @it
pref label: PRESICION EN EL APUNTAMIENTO
related: ControlSystems
related: PointingErrors
related: Telescopes
related: Tracking

PointingErrors
type: Concept
pref label: "EINSTELL-,RICHTUNGSFEHLER" @de
pref label: ERREUR DE POINTAGE @fr
pref label: ERRORES DE APUNTAMIENTO
pref label: ERRORI DI PUNTAMENTO @it
pref label: POINTING ERRORS @en
related: ControlSystems
related: PointingAccuracy
related: Telescopes
related: Tracking

PointSpreadFunction
type: Concept
pref label: FONCTION DE REPONSE D'UN POINT SOURCE @fr
pref label: FUNCION POINT SPREAD ?
pref label: POINT SPREAD FUNCTION @en
pref label: POINT SPREAD FUNCTION ? @de
pref label: POINT SPREAD FUNCTION? @it
related: AtmosphericRefraction
related: Seeing
related: TurbulenceEarthAtmosphere

PolarAxis
type: Concept
pref label: ASSE POLARE @it
pref label: AXE POLAIRE @fr
pref label: EJE POLAR
pref label: POLAR AXIS @en
pref label: POLARACHSE @de
related: CelestialPoles
related: TelescopeMountings

PolarCaps
type: Concept
pref label: CALOTTE POLAIRE @fr
pref label: CALOTTE POLARI @it
pref label: CASQUETES POLARES
pref label: POLAR CAPS @en
pref label: POLKAPPEN @de
related: Earth
related: Planets

PolarDiagram
type: Concept
pref label: DIAGRAMA POLAR
pref label: DIAGRAMMA POLARE @it
pref label: DIAGRAMME POLAIRE @fr
pref label: POLAR DIAGRAM @en
pref label: POLARDIAGRAMM @de
related: AntennaDesign
related: Beamwidth
related: RadioAntennas
related: Sensitivity
related: Sidelobes

Polarimeters
type: Concept
broader: OpticalInstruments
broader: TelescopeInstrumentation
pref label: POLARIMETER @de
pref label: POLARIMETERS @en
pref label: POLARIMETRE @fr
pref label: POLARIMETRI @it
pref label: POLARIMETROS
related: Photometers
related: Polarimetry

Polarimetry
type: Concept
broader: AstronomicalTechniques
broader: ObservingTechniques
pref label: POLARIMETRIA
pref label: POLARIMETRIE @de
pref label: POLARIMETRY @en
related: Photometry
related: Polarimeters
related: PolarizationWaves

PolarizationChargeSeparation
type: Concept
broader: MagnetoOpticalEffects
pref label: POLARISATION [SEPARATION DES CHARGEES] @fr
pref label: POLARISATION [SPANNUNGSTRENNUNG] @de
pref label: POLARIZACION [SEPARACION DE CARGAS]
pref label: POLARIZATION [CHARGE SEPARATION] @en
pref label: POLARIZZAZIONE [SEPARAZIONE DI CARICHE] @it
related: Anisotropy
related: Ions

PolarizationWaves
type: Concept
alt label: Lichtpolarisation @de
alt label: light polarization @en
alt label: polarisation de la lumiere @fr
alt label: polarizacion de la luz
alt label: polarizzazione della luce @it
narrower: CircularPolarization
narrower: PlanePolarization
narrower: XRayPolarization
pref label: POLARISATION [ONDE] @fr
pref label: POLARISATION [VON WELLEN] @de
pref label: POLARIZACION [ONDAS]
pref label: POLARIZATION [WAVES] @en
pref label: POLARIZZAZIONE [ONDE] @it
related: ElectromagneticWaves
related: FaradayEffect
related: OpticalProperties
related: Polarimetry
related: PolarizedLight
related: PolarizedRadiation
related: RadiationScattering
related: StokesParameters

PolarizedLight
type: Concept
broader: Light
pref label: LUCE POLARIZZATA @it
pref label: LUMIERE POLARISEE @fr
pref label: LUZ POLARIZADA
pref label: POLARISIERTES LICHT @de
pref label: POLARIZED LIGHT @en
related: PolarizationWaves

PolarizedRadiation
type: Concept
broader: Radiation
pref label: POLARISIERTE STRAHLUNG @de
pref label: POLARIZED RADIATION @en
pref label: RADIACION POLARIZADA
pref label: RADIAZIONE POLARIZZATA @it
pref label: RAYONNEMENT POLARISE @fr
related: FaradayEffect
related: PolarizationWaves
related: StokesParameters
related: XRayPolarization

PolarMotion
type: Concept
broader: Motion
pref label: MOTO DEI POLI @it
pref label: MOUVEMENT DES POLES @fr
pref label: MOVIMIENTO POLAR
pref label: POLAR MOTION @en
pref label: POLARBEWEGUNG @de
related: ChandlerWobble
related: EarthRotation
related: LatitudeVariation
related: Nutation
related: Precession

PolarOrbits
type: Concept
broader: Orbits
pref label: ORBITAS POLARES
pref label: ORBITE POLAIRE @fr
pref label: ORBITE POLARI @it
pref label: POLAR ORBITS @en
pref label: POLARE BAHNEN @de
related: ArtificialSatellites

PolarRegions
type: Concept
pref label: POLAR REGIONS @en
pref label: POLREGIONEN @de
pref label: REGION POLAIRE @fr
pref label: REGIONES POLARES
pref label: REGIONI POLARI @it
related: Planets

PolarTides
type: Concept
broader: Tides
pref label: MAREAS POLARES
pref label: MAREE POLAIRE @fr
pref label: MAREE POLARI @it
pref label: POLAR TIDES @en
pref label: POLARE GEZEITEN @de

Poles
type: Concept
narrower: CelestialPoles
narrower: EclipticPoles
narrower: GalacticPoles
narrower: Nadir
narrower: Zenith
pref label: POLE @de
pref label: POLES @en
pref label: POLI @it
pref label: POLOS

Polishing
type: Concept
narrower: Figuring
pref label: LEVIGATURA @it
pref label: POLIEREN @de
pref label: POLISHING @en
pref label: POLISSAGE @fr
pref label: PULIDO OPTICO
related: Lenses
related: Mirrors
related: SurfacesOptical

Pollution
type: Concept
narrower: AirPollution
narrower: LightPollution
narrower: SpacePollution
pref label: CONTAMINACION
pref label: INQUINAMENTO @it
pref label: POLLUTION @fr
pref label: VERUNREINIGUNG / VERSCHMUTZUNG @de
related: GreenhouseEffect
related: SiteTesting

PolycyclicHydrocarbon
type: Concept
broader: Hydrocarbons
pref label: HIDROCARBONO POLICICLICO
pref label: HYDROCARBONE POLYCYCLIQUE @fr
pref label: IDROCARBURO POLICICLICO @it
pref label: POLYCYCLIC HYDROCARBON @en
pref label: POLYZYKLISCHES KOHLEHYDRAT @de

Polytropes
type: Concept
pref label: POLITROPI @it
pref label: POLITROPOS
pref label: POLYTROPE @de
pref label: POLYTROPES @en
related: Models
related: StellarStructure

PopulationIiCepheids
type: Concept
broader: PopulationIiStars
narrower: RrLyraeStars
narrower: WVirginisStars
pref label: CEFEIDI DI POPOLAZIONE II @it
pref label: CEPHEIDE DE POPULATION II @fr
pref label: CEPHEIDEN DER POPULATION II @de
pref label: POPULATION II CEPHEIDS @en
pref label: cefeidas de poblacion II

PopulationIiStars
type: Concept
broader: OldStars
narrower: DiskPopulation
narrower: DiskStars
narrower: HaloStars
narrower: HorizontalBranchStars
narrower: PopulationIiCepheids
narrower: SxPhoenicisStars
pref label: ESTRELLAS DE POBLACION II
pref label: ETOILE DE POPULATION II @fr
pref label: POPULATION II STARS @en
pref label: STELLE DI POPOLAZIONE II @it
pref label: STERNE DER POPULATION II @de
related: GalacticHalo
related: GalacticNuclei
related: GlobularStarClusters
related: IntermediatePopulationStars
related: StellarPopulations
related: SubluminousStars

PopulationInversion
type: Concept
pref label: BESETZUNGSINVERSION @de
pref label: INVERSION DE POBLACION
pref label: INVERSION DE POPULATION @fr
pref label: INVERSIONE DI POPOLAZIONE @it
pref label: POPULATION INVERSION @en
related: AtomicProcesses
related: Lasers
related: Masers
related: StimulatedEmission

PopulationIStars
type: Concept
alt label: estrellas de poblacion I extrema
alt label: etoile de population I extreme @fr
alt label: extreme Halo-Population Sterne @de
alt label: extreme population I stars @en
alt label: stelle di popolazione I estrema @it
narrower: YoungStars
pref label: ESTRELLAS DE POBLACION I
pref label: ETOILE DE POPULATION I @fr
pref label: POPULATION I STARS @en
pref label: STELLE DI POPOLAZIONE I @it
pref label: STERNE DER POPULATION I @de
related: OpenStarClusters
related: SpiralArms
related: StellarPopulations
related: YoungStarClusters

PositionAngle
type: Concept
broader: OrbitalElements
pref label: ANGLE DE POSITION @fr
pref label: ANGOLO DI POSIZIONE @it
pref label: ANGULO DE POSICION
pref label: POSITION ANGLE @en
pref label: POSITIONSWINKEL @de
related: BinaryStars
related: Orbits
related: Orientation

Positions
type: Concept
narrower: ApparentPositions
narrower: TruePositions
pref label: POSICIONES
pref label: POSITION @fr
pref label: POSITIONEN @de
pref label: POSITIONS @en
pref label: POSIZIONI @it
related: CoordinateSystems
related: FundamentalSystem
related: ReferenceSystems
related: SphericalCoordinates
related: StandardStars
scope note: Combine with other terms

Positrons
type: Concept
broader: Antiparticles
broader: Leptons
broader: NuclearRadiation
broader: Particles
pref label: POSITRON @fr
pref label: POSITRONEN @de
pref label: POSITRONES
pref label: POSITRONI @it
pref label: POSITRONS @en
related: Electrons
related: PairAnnihilation
related: PairProduction
related: Radioactivity

PostmainsequenceStars
type: Concept
broader: EvolvedStars
broader: NonmainsequenceStars
narrower: GiantStars
narrower: SubgiantStars
narrower: SupergiantStars
pref label: ESTRELLAS POST SECUENCIA PRINCIPAL
pref label: ETOILE AYANT PASSE LA SERIE PRINCIPALE @fr
pref label: NACHHAUPTREIHENSTERNE @de
pref label: POSTMAINSEQUENCE STARS @en
pref label: STELLE DI POST SEQUENZA PRINCIPALE @it
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List. Excluding advanced evolution.

PotentialEnergy
type: Concept
broader: Energy
pref label: ENERGIA POTENCIAL
pref label: ENERGIA POTENZIALE @it
pref label: ENERGIE POTENTIELLE @fr
pref label: POTENTIAL ENERGY @en
pref label: POTENTIELLE ENERGIE @de
related: KineticEnergy

PotentialTheory
type: Concept
pref label: POTENTIAL THEORY @en
pref label: POTENTIALTHEORIE @de
pref label: TEORIA DEL POTENZIALE @it
pref label: TEORIA POTENCIAL
pref label: THEORIE DU POTENTIEL @fr
scope note: In mathematics.

Power
type: Concept
pref label: LEISTUNG @de
pref label: POTENCIA
pref label: POTENZA @it
pref label: POWER @en
pref label: PUISSANCE @fr
scope note: Combine with other terms

PoyntingRobertsonEffect
type: Concept
pref label: EFECTO POYNTING ROBERTSON
pref label: EFFET POYNTING ROBERTSON @fr
pref label: EFFETTO POYNTING ROBERTSON @it
pref label: POYNTING ROBERTSON EFFECT @en
pref label: POYNTING-ROBERTSON-EFFEKT @de
related: RadiationPressure
related: SolarWind
related: StellarWinds

pProcess
type: Concept
pref label: PROCESSO p @it
pref label: PROCESSUS p @fr
pref label: p PROCESS @en
pref label: p-PROZESS @de
pref label: proceso p
related: Nucleosynthesis
related: Supernovas
related: rProcess
related: sProcess

Preamplifiers
type: Concept
broader: Amplifiers
pref label: PREAMPLIFICADORES
pref label: PREAMPLIFICATEUR @fr
pref label: PREAMPLIFICATORI @it
pref label: PREAMPLIFIERS @en
pref label: VORVERSTAERKER @de

Precession
type: Concept
pref label: PRAEZESSION @de
pref label: PRECESION
pref label: PRECESSION @fr
pref label: PRECESSIONE @it
related: Astrometry
related: CelestialMechanics
related: EarthRotation
related: EquationOfTheEquinoxes
related: Nutation
related: ObliquityOfEcliptic
related: PolarMotion

Precision
type: Concept
pref label: GENAUIGKEIT / PRAEZISION @de
pref label: PRECISION
pref label: PRECISIONE @it
related: LimitingMagnitudes
related: Sensitivity
scope note: Combine with other terms

PrecursorPulse
type: Concept
pref label: IMPULSION PRECURSEUR @fr
pref label: IMPULSO PRECURSORE @it
pref label: PRECURSOR PULSE @en
pref label: PULSO PRECURSOR
pref label: VORLAEUFER-PULS @de
related: Pulsars

Predictions
type: Concept
pref label: PREDICCIONES
pref label: PREDICTIONS @en
pref label: PREVISION @fr
pref label: PREVISIONI @it
pref label: VORHERSAGE @de
related: Forecasts
scope note: Combine with other terms

PregalacticStars
type: Concept
broader: OldStars
pref label: ESTRELLAS PREGALACTICAS
pref label: ETOILE PREGALACTIQUE @fr
pref label: PREGALACTIC STARS @en
pref label: STELLE PREGALATTICHE @it
pref label: VORGALAKTISCHE STERNE @de

PremainsequenceStars
type: Concept
alt label: Sterne im fruehen Entwicklungsstadium @de
alt label: early stage stars @en
alt label: estrellas de primera etapa
alt label: etoile aux premiers stades @fr
alt label: stelle al primo stadio @it
broader: NonmainsequenceStars
broader: YoungStars
narrower: FlashStars
narrower: HerbigHaroObjects
narrower: Protostars
narrower: RwAurigaeStars
narrower: TTauriStars
pref label: ESTRELLAS PRE SECUENCIA PRINCIPAL
pref label: ETOILE PRE SERIE PRINCIPALE @fr
pref label: PREMAINSEQUENCE STARS @en
pref label: STELLE DI PRE SEQUENZA PRINCIPALE @it
pref label: VORHAUPTREIHENSTERNE @de
related: OrionPopulationStars
related: StarFormation
related: TAssociations

PresolarNebula
type: Concept
pref label: NEBULEUSE PRIMITIVE @fr
pref label: NEBULOSA PRESOLAR
pref label: NEBULOSA PRESOLARE @it
pref label: PRESOLAR NEBULA @en
pref label: SONNENURNEBEL @de
related: SolarSystem

Pressure
type: Concept
pref label: DRUCK @de
pref label: PRESION
pref label: PRESSION @fr
pref label: PRESSIONE @it
pref label: PRESSURE @en
related: RadiationPressure
related: RankineHugoniotRelations
related: Vacuum
scope note: Combine with other terms

PressureBroadening
type: Concept
broader: LineBroadening
pref label: ALLARGAMENTO PER LA PRESSIONE @it
pref label: DRUCKVERBREITERUNG @de
pref label: ELARGISSEMENT PAR PRESSION @fr
pref label: ENSANCHAMIENTO POR PRESION
pref label: PRESSURE BROADENING @en
related: DopplerBroadening
related: LineSpectra
related: NaturalLineWidth
related: Spectroscopy
related: ZeemanSplitting

PrimaryLenses
type: Concept
broader: Lenses
broader: Objectives
pref label: HAUPTLINSEN @de
pref label: LENTES PRIMARIAS
pref label: LENTI PRIMARIE @it
pref label: LENTILLE PRIMAIRE @fr
pref label: PRIMARY LENSES @en
related: RefractingTelescopes

PrimaryMirrors
type: Concept
broader: Mirrors
broader: Objectives
broader: TelescopeMirrors
pref label: ESPEJOS PRIMARIOS
pref label: HAUPTSPIEGEL @de
pref label: MIROIR PRIMAIRE @fr
pref label: PRIMARY MIRRORS @en
pref label: SPECCHI PRINCIPALI @it
related: ReflectingTelescopes
related: SecondaryMirrors

PrimeFocus
type: Concept
broader: Focus
pref label: FOCO PRIMARIO
pref label: FOYER PRIMAIRE @fr
pref label: FUOCO PRIMARIO @it
pref label: PRIMAERFOKUS / BRENNPUNKT @de
pref label: PRIME FOCUS @en
related: CassegrainFocus
related: CoudeFocus
related: NasmythFocus

PrimordialFireball
type: Concept
broader: Cosmology
pref label: BOLA DE FUEGO PRIMORDIAL
pref label: EXPLOSION PRIMORDIALE @fr
pref label: PRIMORDIAL FIREBALL @en
pref label: SFERA DI FUOCO PRIMORDIALE @it
pref label: URKNALLFEUERBALL @de
related: BigBangTheory

PrimordialGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE PRIMORDIALI @it
pref label: GALAXIAS PRIMORDIALES
pref label: GALAXIE PRIMORDIALE @fr
pref label: PRIMORDIAL GALAXIES @en
pref label: URGALAXIEN @de

Prisms
type: Concept
narrower: ObjectivePrisms
pref label: PRISMAS
pref label: PRISME @fr
pref label: PRISMEN @de
pref label: PRISMI @it
pref label: PRISMS @en
related: Grisms
related: OpticalInstruments
related: PrismSpectrographs
related: Spectra
related: Spectrographs

PrismSpectrographs
type: Concept
broader: Spectrographs
pref label: ESPECTROGRAFOS DE PRISMA
pref label: PRISM SPECTROGRAPHS @en
pref label: PRISMENSPEKTROGRAPHEN @de
pref label: SPECTROGRAPHE A PRISMES @fr
pref label: SPETTROGRAFI A PRISMA @it
related: GratingSpectrographs
related: Prisms

Progenitors
type: Concept
alt label: Vorlaeufer @de
alt label: praenovae @de
alt label: praesupernovae @de
alt label: precurseur @fr
alt label: precursor
alt label: precursore @it
alt label: precursors @en
alt label: prenova @fr
alt label: prenovae @it
alt label: prenovas
alt label: presupernova @fr
alt label: presupernovae @it
alt label: presupernovas
pref label: PROGENITEUR @fr
pref label: PROGENITORES
pref label: PROGENITORI @it
pref label: PROGENITORS @en
pref label: VORLAEUFER @de
related: Novas
related: Supernovas

Prominences
type: Concept
alt label: Chromosphaerische Eruption @de
alt label: chromospheric eruptions @en
alt label: erupciones cromosfericas
alt label: eruption chromospherique @fr
alt label: eruzioni cromosferiche @it
narrower: ActiveProminences
narrower: QuiescentProminences
pref label: PROMINENCES @en
pref label: PROMINENCIAS
pref label: PROTUBERANCE @fr
pref label: PROTUBERANZE @it
pref label: PROTUBERANZEN @de
related: Chromosphere
related: FilamentsSolar
related: Flares
related: HanleEffect
related: OpticalFlares
related: SolarActivity
related: Sun
related: Sunspots

Propagation
type: Concept
pref label: AUSBREITUNG @de
pref label: PROPAGACION
pref label: PROPAGATION @fr
pref label: PROPAGAZIONE @it
scope note: Combine with other terms

ProperMotions
type: Concept
broader: Motion
broader: SpaceMotion
pref label: EIGENBEWEGUNGEN @de
pref label: MOTI PROPRI @it
pref label: MOUVEMENT PROPRE @fr
pref label: MOVIMIENTOS PROPIOS
pref label: PROPER MOTIONS @en
related: GalacticRotation
related: Kinematics
related: LocalStandardOfRest
related: MovingClusterParallax
related: PeculiarMotions
related: PhotographicAstrometry
related: RadialVelocity
related: RadiantMovingCluster
related: SecularParallax
related: StellarDynamics
related: StellarMotions
related: TransverseVelocity

Properties
type: Concept
narrower: MagneticProperties
narrower: MechanicalProperties
narrower: OpticalProperties
narrower: SurfaceProperties
narrower: ThermalProperties
pref label: EIGENSCHAFTEN @de
pref label: PROPERTIES @en
pref label: PROPIEDADES
pref label: PROPRIETA @it
pref label: PROPRIETE @fr
scope note: Combine with other terms

ProportionalCounters
type: Concept
broader: MeasuringInstruments
pref label: COMPTEUR PROPORTIONNEL @fr
pref label: CONTADORES PROPORCIONALES
pref label: CONTATORI PROPORZIONALI @it
pref label: PROPORTIONAL COUNTERS @en
pref label: PROPORTIONALZAEHLER @de
related: XRayDetectors

Protoclusters
type: Concept
broader: Clusters
pref label: PROTOAMAS @fr
pref label: PROTOAMMASSI @it
pref label: PROTOCLUSTERS @en
pref label: PROTOCUMULOS
pref label: PROTOHAUFEN @de
related: ClustersOfGalaxies
related: CollapsingClouds
related: Cosmogony
related: Cosmology
related: StarClusters

Protogalaxies
type: Concept
broader: Galaxies
broader: GaseousSpheres
pref label: PROTOGALASSIE @it
pref label: PROTOGALAXIAS
pref label: PROTOGALAXIE @fr
pref label: PROTOGALAXIEN @de
pref label: PROTOGALAXIES @en
related: CollapsingClouds
related: Cosmogony
related: Cosmology

ProtonProtonReaction
type: Concept
alt label: Proton-Proton-Zyklus @de
alt label: ciclo proton proton
alt label: ciclo protone protone @it
alt label: cycle proton proton @fr
alt label: proton proton cycle @en
broader: HydrogenBurning
pref label: CATENA PROTONE PROTONE @it
pref label: PROTON PROTON REACTION @en
pref label: PROTON-PROTON-REAKTION @de
pref label: REACCION PROTON PROTON
pref label: REACTION PROTON PROTON @fr
related: CarbonNitrogenCycle
related: NuclearFusion
related: StellarInteriors

Protons
type: Concept
broader: FundamentalParticles
broader: Particles
pref label: PROTON @fr
pref label: PROTONEN @de
pref label: PROTONES
pref label: PROTONI @it
pref label: PROTONS @en
related: AlphaParticles
related: Antiprotons
related: NucleiAtoms

ProtoplanetaryNebulas
type: Concept
broader: CollapsingClouds
pref label: NEBULEUSE PROTOPLANETAIRE @fr
pref label: NEBULOSAS PROTOPLANETARIAS
pref label: NEBULOSE PROTOPLANETARIA @it
pref label: PROTO-PLANETENWOLKE @de
pref label: PROTOPLANETARY NEBULAS @en
related: Cosmogony
related: Protoplanets
related: SolarNebula

Protoplanets
type: Concept
pref label: PROTOPIANETI @it
pref label: PROTOPLANETAS
pref label: PROTOPLANETE @fr
pref label: PROTOPLANETEN @de
pref label: PROTOPLANETS @en
related: Planetesimals
related: Planets
related: ProtoplanetaryNebulas
related: Satellites
related: SolarNebula
related: SolarSystem

Protostars
type: Concept
broader: GaseousSpheres
broader: PremainsequenceStars
pref label: PROTOESTRELLAS
pref label: PROTOETOILE @fr
pref label: PROTOSTARS @en
pref label: PROTOSTELLE @it
pref label: PROTOSTERNE @de
related: BirthRates
related: BokGlobules
related: CollapsingClouds
related: HerbigHaroObjects
related: StarFormation
related: StellarEvolution
related: TTauriStars

Pulsars
type: Concept
broader: CollapsedStars
broader: DegenerateStars
broader: EvolvedStars
broader: RadioSources
broader: RelativisticStars
narrower: BinaryPulsars
narrower: OpticalPulsars
narrower: RadioPulsars
narrower: XRayPulsars
pref label: PULSAR @it
pref label: PULSARE @de
pref label: PULSARES
pref label: PULSARS @en
related: FrequencyShift
related: NeutronStars
related: PrecursorPulse
related: PulseDuration
related: PulseEnergies
related: PulseIntensity
related: PulseProfiles
related: PulseStructure
related: PulseWidth
related: PulseWindow
related: RapidOscillations
related: SupernovaRemnants
related: Supernovas

PulsatingVariableStars
type: Concept
broader: IntrinsicVariableStars
broader: VariableStars
narrower: 53PerseiStars
narrower: BetaCepheiStars
narrower: BlHerculisStars
narrower: Cepheids
narrower: DeltaDelphiniStars
narrower: DeltaScutiStars
narrower: DoubleModeCepheids
narrower: DoubleModeVariableStars
narrower: DwarfCepheids
narrower: IrregularVariableStars
narrower: LambdaEridaniStars
narrower: LongPeriodVariableStars
narrower: MiraVariableStars
narrower: MultiperiodicVariableStars
narrower: RrLyraeStars
narrower: RvTauriStars
narrower: SVulpeculaeStars
narrower: SemiregularVariableStars
narrower: SxPhoenicisStars
narrower: WVirginisStars
narrower: ZzCetiStars
pref label: ESTRELLAS VARIABLES PULSANTES
pref label: ETOILE VARIABLE PULSANTE @fr
pref label: PULSATING VARIABLE STARS @en
pref label: PULSIERENDE VERAENDERLICHE @de
pref label: STELLE VARIABILI PULSANTI @it
related: Asteroseismology
related: DoubleModePulsation
related: HeIonizationZone
related: KappaMechanism
related: MultiperiodicPulsation
related: NonradialPulsations
related: OvertoneModes
related: Period
related: PeriodChange
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation
related: PulsationModes
related: PulsationTheory

PulsationModes
type: Concept
narrower: FundamentalMode
narrower: OvertoneModes
pref label: MODE DE PULSATION @fr
pref label: MODI DI PULSAZIONE @it
pref label: MODOS DE PULSACION
pref label: PULSATION MODES @en
pref label: PULSATIONSMODEN @de
related: MultiperiodicPulsation
related: MultiperiodicVariableStars
related: NonradialPulsations
related: Period
related: PulsatingVariableStars
related: PulsationTheory
related: Pulsations

Pulsations
type: Concept
pref label: PULSACIONES
pref label: PULSATION @fr
pref label: PULSATIONEN @de
pref label: PULSATIONS @en
pref label: PULSAZIONI @it
related: Amplitudes
related: Asteroseismology
related: PulsationModes
scope note: Combine with other terms

PulsationTheory
type: Concept
pref label: PULSATION THEORY @en
pref label: PULSATIONSTHEORIE @de
pref label: TEORIA DE PULSACION
pref label: TEORIA DELLE PULSAZIONI @it
pref label: THEORIE DE LA PULSATION @fr
related: HeIonizationZone
related: PulsatingVariableStars
related: PulsationModes

PulseCounters
type: Concept
pref label: COMPTEUR D'IMPULSIONS @fr
pref label: CONTADORES DE PULSOS
pref label: CONTATORI DI IMPULSI @it
pref label: PULSE COUNTERS @en
pref label: PULSZAEHLER @de
related: Amplifiers
related: Pulses

PulseCounting
type: Concept
pref label: COMPTAGE D'IMPULSIONS @fr
pref label: CONTEGGIO DI IMPULSI @it
pref label: PULSE COUNTING @en
pref label: PULSZAEHLEN @de
pref label: RECUENTO DE PULSOS
related: Amplifiers
related: Pulses

PulseDuration
type: Concept
pref label: DURACION DEL PULSO
pref label: DURATA DI IMPULSO @it
pref label: DUREE D'UNE IMPULSION @fr
pref label: PULSDAUER @de
pref label: PULSE DURATION @en
related: Pulsars
related: Pulses

PulseEnergies
type: Concept
pref label: ENERGIAS DE LOS PULSOS
pref label: ENERGIE D'UNE IMPULSION @fr
pref label: ENERGIE DI IMPULSO @it
pref label: PULSE ENERGIES @en
pref label: PULSENERGIEN @de
related: Pulsars
related: Pulses

PulseIntensity
type: Concept
pref label: INTENSIDAD DEL PULSO
pref label: INTENSITA DI IMPULSO @it
pref label: INTENSITE D'UNE IMPULSION @fr
pref label: PULSE INTENSITY @en
pref label: PULSINTENSITAET @de
related: Pulsars
related: Pulses

PulseProfiles
type: Concept
pref label: PERFILES DE LOS PULSOS
pref label: PROFIL D'UNE IMPULSION @fr
pref label: PROFILI DI IMPULSO @it
pref label: PULSE PROFILES @en
pref label: PULSPROFILE @de
related: Pulsars
related: Pulses

Pulses
type: Concept
pref label: IMPULSI @it
pref label: IMPULSION @fr
pref label: PULSE @de
pref label: PULSES @en
pref label: PULSOS
related: PulseCounters
related: PulseCounting
related: PulseDuration
related: PulseEnergies
related: PulseIntensity
related: PulseProfiles
related: PulseStructure
related: PulseWidth
related: PulseWindow
scope note: Combine with other terms

PulseStructure
type: Concept
pref label: ESTRUCTURA DEL PULSO
pref label: PULSE STRUCTURE @en
pref label: PULSSTRUKTUR @de
pref label: STRUCTURE D'UNE IMPULSION @fr
pref label: STRUTTURA DI IMPULSO @it
related: Pulsars
related: Pulses

PulseWidth
type: Concept
pref label: ANCHO DEL PULSO
pref label: LARGEUR D'UNE IMPULSION @fr
pref label: LARGHEZZA DI IMPULSO @it
pref label: PULSBREITE @de
pref label: PULSE WIDTH @en
related: Pulsars
related: Pulses

PulseWindow
type: Concept
pref label: FENETRE SPECTRALE DES IMPULSIONS @fr
pref label: FINESTRA DI IMPULSO @it
pref label: PULSE WINDOW @en
pref label: PULSFENSTER @de
pref label: VENTANA DEL PULSO
related: Pulsars
related: Pulses

PurkinjeEffect
type: Concept
pref label: EFECTO PURKINJE
pref label: EFFET PURKINJE @fr
pref label: EFFETTO PURKINJE @it
pref label: PURKINJE EFFECT @en
pref label: PURKINJE-EFFEKT @de
related: Photometry
related: VariableStars
related: VisualMagnitude
related: VisualObservations

QBranch
type: Concept
pref label: BRANCHE Q @fr
pref label: Q BRANCH @en
pref label: Q-ZWEIG @de
pref label: RAMA Q
pref label: RAMO Q @it
related: MolecularSpectra
related: VibrationalSpectra

QMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD Q
pref label: MAGNITUDE Q @fr
pref label: MAGNITUDINE Q @it
pref label: Q MAGNITUDE @en
pref label: Q-HELLIGKEIT @de
related: FarInfraredRadiation
related: InfraredPhotometry

QuadrantDetectors
type: Concept
pref label: DETECTEUR A QUADRANT @fr
pref label: DETECTORES DE CUADRANTE
pref label: QUADRANT DETECTORS @en
pref label: QUADRANTENDETEKTOREN @de
pref label: RIVELATORI A QUADRANTE @it
related: Autoguiders
related: ControlSystems
related: GuideSystems
related: PhotomultiplierTubes

Quadrants
type: Concept
broader: AstrometricInstruments
broader: Instrumentation
pref label: CUADRANTES
pref label: QUADRANTEN @de
pref label: QUADRANTI @it
pref label: QUADRANTS @en
pref label: QUART DE CERCLE @fr
related: MeridianCircles

Quadrature
type: Concept
pref label: CUADRATURA
pref label: QUADRATUR @de
pref label: QUADRATURA @it
pref label: QUADRATURE @fr
related: Conjunction
related: Opposition

Quantization
type: Concept
pref label: QUANTIFICATION @fr
pref label: QUANTISIERUNG @de
pref label: QUANTIZATION @en
pref label: QUANTIZZAZIONE @it
pref label: cuantizacion
related: Analyses
related: Determination
related: Measurement

Quantum
type: Concept
alt label: Quanten @de
alt label: cuantos
alt label: quanta @fr
alt label: quanti @it
pref label: CUANTO
pref label: QUANTO @it
pref label: QUANTUM @fr
pref label: QUANT[UM] @de
related: Photons
related: QuantumTheory

QuantumCosmology
type: Concept
broader: Cosmology
pref label: COSMOLOGIA CUANTICA
pref label: COSMOLOGIA QUANTISTICA @it
pref label: COSMOLOGIE QUANTIQUE @fr
pref label: QUANTENKOSMOLOGIE @de
pref label: QUANTUM COSMOLOGY @en
related: NakedSingularity
related: SpacetimeSingularity

QuantumEfficiency
type: Concept
pref label: EFFICIENZA QUANTICA @it
pref label: EFICIENCIA CUANTICA
pref label: QUANTENEFFIZIENZ @de
pref label: QUANTUM EFFICIENCY @en
pref label: RENDEMENT QUANTIQUE @fr
related: Cathodes
related: ChargeCoupledDevices
related: Detectors
related: ImageTubes
related: PhotographicEmulsions
related: PhotomultiplierTubes

QuantumFieldTheory
type: Concept
pref label: QUANTENFELDTHEORIE @de
pref label: QUANTUM FIELD THEORY @en
pref label: TEORIA CUANTICA DE CAMPOS
pref label: TEORIA QUANTISTICA DEI CAMPI @it
pref label: THEORIE QUANTIQUE DES CHAMPS @fr
related: ElectromagneticFields
related: GravitationalFields
related: QuantumTheory

QuantumMechanics
type: Concept
pref label: MECANICA CUANTICA
pref label: MECANIQUE QUANTIQUE @fr
pref label: MECCANICA QUANTISTICA @it
pref label: QUANTENMECHANIK @de
pref label: QUANTUM MECHANICS @en
related: FermiDiracStatistics
related: QuantumTheory
related: RelativisticVelocity

QuantumTheory
type: Concept
pref label: QUANTENTHEORIE @de
pref label: QUANTUM THEORY @en
pref label: TEORIA CUANTICA
pref label: TEORIA QUANTISTICA @it
pref label: THEORIE QUANTIQUE @fr
related: Quantum
related: QuantumFieldTheory
related: QuantumMechanics

Quarks
type: Concept
broader: ElementaryParticles
pref label: QUARK @it
pref label: QUARKS
related: Baryons
related: Leptons
related: Mesons
related: NeutronStars

QuasarGalaxyPairs
type: Concept
pref label: COPPIE QUASAR GALASSIA @it
pref label: PAIRE GALAXIE QUASAR @fr
pref label: PARES CUASAR GALAXIA
pref label: QUASAR GALAXY PAIRS @en
pref label: QUASAR-GALAXIE-PAARE @de
related: Galaxies
related: Quasars

Quasars
type: Concept
alt label: Quasistellare Galaxien @de
alt label: Quasistellare Objekte @de
alt label: Quasistellare Radioquellen @de
alt label: galassie quasi stellari @it
alt label: galaxias cuasiestelares
alt label: galaxie quasi stellaire @fr
alt label: objet quasi stellaire @fr
alt label: objetos cuasiestelares
alt label: oggetti quasi stellari @it
alt label: qso
alt label: quasi stellar galaxies @en
alt label: quasi stellar objects @en
alt label: quasi stellar radio sources @en
alt label: radio sorgenti quasi stellari @it
alt label: radiofuentes cuasiestelares
alt label: radiosource quasi stellaire @fr
broader: ExtragalacticObjects
broader: ExtragalacticRadioSources
narrower: RadioQuietQuasars
narrower: XRayQuasars
pref label: CUASARES
pref label: QUASAR @it
pref label: QUASARE @de
pref label: QUASARS @en
related: ActiveGalacticNuclei
related: BlLacertaeObjects
related: Blazars
related: CompactGalaxies
related: DoubleQuasars
related: LuminousArcs
related: LymanAlphaForest
related: QuasarGalaxyPairs
related: VariableSources
related: XRaySources

QuiescentProminences
type: Concept
broader: Prominences
pref label: PROMINENZE QUIESCENTI @it
pref label: PROTUBERANCE CALME @fr
pref label: PROTUBERANCIAS QUIESCENTES
pref label: QUIESCENT PROMINENCES @en
pref label: RUHIGE PROTUBERANZEN @de
related: Chromosphere
related: Sun

QuietSun
type: Concept
pref label: QUIET SUN @en
pref label: RUHIGE SONNE @de
pref label: SOL QUIETO
pref label: SOLE QUIETO @it
pref label: SOLEIL CALME @fr
related: ActiveSun
related: SolarCycle

Radar
type: Concept
narrower: OpticalRadar
pref label: RADAR
related: Antennas
related: DopplerEffect
related: RadarAstronomy

RadarAstronomy
type: Concept
broader: RadioAstronomy
pref label: ASTRONOMIA CON RADAR
pref label: ASTRONOMIE RADAR @fr
pref label: RADAR ASTRONOMY @en
pref label: RADARASTRONOMIA @it
pref label: RADARASTRONOMIE @de
related: Radar
related: RadarEquipment
related: RadarTelescopes
related: RadioObservatories

RadarEquipment
type: Concept
narrower: Antennas
pref label: APPARECCHIATURA RADAR @it
pref label: EQUIPEMENT RADAR @fr
pref label: EQUIPO DE RADAR
pref label: RADAR EQUIPMENT @en
pref label: RADARAUSRUESTUNG @de
related: RadarAstronomy
related: RadioTelescopes

RadarMapping
type: Concept
pref label: CARTOGRAFIA POR RADAR
pref label: CARTOGRAPHIE RADAR @fr
pref label: MAPPATURA RADAR @it
pref label: RADAR MAPPING @en
pref label: RADAR-KARTOGRAPHIERUNG @de
related: Maps

RadarTelescopes
type: Concept
broader: RadioTelescopes
pref label: RADAR TELESCOPES @en
pref label: RADAR TELESCOPI @it
pref label: RADARTELESKOPE @de
pref label: TELESCOPE RADAR @fr
pref label: TELESCOPIOS DE RADAR
related: DishAntennas
related: ParabolicReflectors
related: RadarAstronomy

RadialPulsations
type: Concept
pref label: PULSACIONES RADIALES
pref label: PULSATION RADIALE @fr
pref label: PULSAZIONI RADIALI @it
pref label: RADIAL PULSATIONS @en
pref label: RADIALE PULSATIONEN @de
related: BetaCepheiStars
related: BlHerculisStars
related: Cepheids
related: DeltaScutiStars
related: HeIonizationZone
related: MiraVariableStars
related: RvTauriStars

RadialVelocity
type: Concept
broader: SpaceMotion
broader: Velocity
pref label: RADIAL VELOCITY @en
pref label: RADIALGESCHWINDIGKEIT @de
pref label: VELOCIDAD RADIAL
pref label: VELOCITA RADIALE @it
pref label: VITESSE RADIALE @fr
related: DopplerEffect
related: Kinematics
related: LineShift
related: PeculiarMotions
related: PeculiarVelocity
related: ProperMotions
related: Redshift
related: Spectrometry
related: StellarDynamics
related: StellarMotions
related: TangentialVelocity
related: TransverseVelocity
related: VirialTheorem

RadiantMeteors
type: Concept
pref label: RADIANT [METEORE] @de
pref label: RADIANT [METEORS] @en
pref label: RADIANTE [METEORE] @it
pref label: RADIANTE [METEOROS]
related: MeteorShowers
related: MeteorStreams
related: MeteorTrails
related: Meteors

RadiantMovingCluster
type: Concept
pref label: RADIANT [AMAS EN MOUVEMENT] @fr
pref label: RADIANT [BEWEGUNGSHAUFEN] @de
pref label: RADIANT [MOVING CLUSTER] @en
pref label: RADIANTE [AMMASSI IN MOTO] @it
pref label: RADIANTE [CUMULOS EN MOVIMIENTO]
related: MovingClusterParallax
related: OpenStarClusters
related: ProperMotions

Radiation
type: Concept
alt label: Elektromagnetische Strahlung @de
alt label: electromagnetic radiation @en
alt label: radiacion electromagnetica
alt label: radiazione elettromagnetica @it
alt label: rayonnement electromagnetique @fr
narrower: BackgroundRadiation
narrower: BlackBodyRadiation
narrower: Bremsstrahlung
narrower: CerenkovRadiation
narrower: ContinuumRadiation
narrower: CosmicRays
narrower: CyclotronRadiation
narrower: GammaRays
narrower: GravitationalRadiation
narrower: HighEnergyRadiation
narrower: InfraredRadiation
narrower: MicrowaveRadiation
narrower: PolarizedRadiation
narrower: RadioRadiation
narrower: SynchrotronRadiation
narrower: ThermalRadiation
narrower: UltravioletRadiation
narrower: VisibleRadiation
narrower: XRays
pref label: RADIACION
pref label: RADIATION @en
pref label: RADIAZIONE @it
pref label: RAYONNEMENT @fr
pref label: STRAHLUNG @de
related: Absorption
related: Albedo
related: Bolometers
related: EffectiveTemperature
related: Emissivity
related: EnergyTransfer
related: FluxDensity
related: Illumination
related: Irradiance
related: Opacity
related: Photons
related: PlanckBlackBodyFormula
related: RadiativeEquilibrium
related: RecombinationLines
related: SolarConstant
scope note: Combine with other terms

RadiationBelts
type: Concept
narrower: VanAllenRadiationBelts
pref label: CEINTURE DE RAYONNEMENT @fr
pref label: CINTURONES DE RADIACION
pref label: FASCE DI RADIAZIONE @it
pref label: RADIATION BELTS @en
pref label: STRAHLUNGSGUERTEL @de
related: Atmospheres
related: Earth
related: Plasmas

RadiationDamping
type: Concept
pref label: AMORTIGUAMIENTO POR RADIACION
pref label: AMORTISSEMENT PAR RAYONNEMENT @fr
pref label: RADIATION DAMPING @en
pref label: SMORZAMENTO PER IRRAGGIAMENTO @it
pref label: STRAHLUNGSDAEMPFUNG @de
related: DampingConstants
related: DecayOscillations
related: RadiativeBraking

RadiationField
type: Concept
pref label: CAMPO DE RADIACION
pref label: CAMPO DI RADIAZIONE @it
pref label: CHAMP DE RAYONNEMENT @fr
pref label: RADIATION FIELD @en
pref label: STRAHLUNGSFELD @de
related: ElectromagneticFields

RadiationMechanisms
type: Concept
narrower: FreeBoundEmission
narrower: FreeFreeEmission
pref label: MECANISME DE RAYONNEMENT @fr
pref label: MECANISMOS DE RADIACION
pref label: MECCANISMI DI RADIAZIONE @it
pref label: RADIATION MECHANISMS @en
pref label: STRAHLUNGSMECHANISMEN @de
related: Bremsstrahlung
related: CerenkovRadiation
related: CyclotronRadiation
related: GravitationalRadiation
related: NonlteTransfer
related: RayleighLimit
related: RelativisticParticles
related: RelativisticPlasmas
related: SynchrotronRadiation

RadiationPressure
type: Concept
pref label: PRESION DE RADIACION
pref label: PRESSION DE RADIATION @fr
pref label: PRESSIONE DI RADIAZIONE @it
pref label: RADIATION PRESSURE @en
pref label: STRAHLUNGSDRUCK @de
related: EddingtonLimit
related: Photons
related: PoyntingRobertsonEffect
related: Pressure
related: SolarWind
related: StellarWinds

RadiationScattering
type: Concept
alt label: Streuung elektromagnetischer Wellen @de
alt label: diffusion des ondes electromagnetiques @fr
alt label: diffusione di onde elettromagnetiche @it
alt label: dispersion de ondas electromagneticas
alt label: electromagnetic wave scattering @en
narrower: ComptonScattering
narrower: LightScattering
narrower: RayleighScattering
narrower: ThomsonScattering
narrower: XRayScattering
pref label: DIFFUSION DU RAYONNEMENT @fr
pref label: DIFFUSIONE DI RADIAZIONE @it
pref label: DISPERSION DE LA RADIACION
pref label: RADIATION SCATTERING @en
pref label: STREUUNG VON STRAHLUNG @de
related: ComptonEffect
related: ElementaryParticleScattering
related: PhaseFunction
related: PolarizationWaves
related: RamanEffect
related: Scattering
related: ZodiacalLight

RadiativeBraking
type: Concept
pref label: ABBREMSUNG DURCH STRAHLUNG @de
pref label: FREINAGE RADIATIF @fr
pref label: FRENADO RADIATIVO
pref label: FRENAMENTO RADIATIVO @it
pref label: RADIATIVE BRAKING @en
related: DampingConstants
related: DynamicalFriction
related: RadiationDamping
related: RotatingStars

RadiativeEquilibrium
type: Concept
pref label: EQUILIBRE RADIATIF @fr
pref label: EQUILIBRIO RADIATIVO
pref label: RADIATIVE EQUILIBRIUM @en
pref label: STRAHLUNGSGLEICHGEWICHT @de
related: Absorption
related: Radiation
related: Temperature

RadiativeRecombination
type: Concept
alt label: Einfang unter Abstrahlung @de
alt label: captura radiativa
alt label: capture radiative @fr
alt label: cattura radiativa @it
alt label: radiative capture @en
pref label: RADIATIVE RECOMBINATION @en
pref label: RECOMBINACION RADIATIVA
pref label: RECOMBINAISON RADIATIVE @fr
pref label: RICOMBINAZIONE RADIATIVA @it
pref label: STRAHLUNGSREKOMBINATION @de
related: Airglow
related: Electrons
related: Photons
related: Plasmas

RadiativeTransfer
type: Concept
pref label: RADIATIVE TRANSFER @en
pref label: STRAHLUNGSUEBERTRAGUNG @de
pref label: TRANSFERT DU RAYONNEMENT RADIATIF @fr
pref label: TRANSPORTE RADIATIVO
pref label: TRASFERIMENTO RADIATIVO @it
related: Opacity
related: RayleighLimit
related: TransportProcesses

Radicals
type: Concept
broader: CompositeParticles
narrower: HydroxylRadical
pref label: RADICAL @fr
pref label: RADICALES
pref label: RADICALI @it
pref label: RADICALS @en
pref label: RADIKALE @de
related: Ions

RadioAbsorption
type: Concept
pref label: ABSORCION EN RADIO
pref label: ABSORPTION RADIO @fr
pref label: RADIO ABSORPTION @en
pref label: RADIO-ABSORPTION @de
pref label: RADIOASSORBIMENTO @it
related: HIRegions
related: InterstellarMatter
related: Ionosphere

Radioactivity
type: Concept
pref label: RADIO ACTIVITE @fr
pref label: RADIOACTIVIDAD
pref label: RADIOACTIVITY @en
pref label: RADIOAKTIVITAET @de
pref label: RADIOATTIVITA @it
related: AlphaParticles
related: DecayRadioactive
related: Electrons
related: GammaRays
related: NuclearFission
related: Positrons

RadioAntennas
type: Concept
broader: Antennas
pref label: ANTENAS DE RADIO
pref label: ANTENNE RADIO @fr
pref label: RADIO ANTENNAS @en
pref label: RADIOANTENNE @it
pref label: RADIOANTENNEN @de
related: PolarDiagram
related: RadioTelescopes
related: Sidelobes

RadioAstrometry
type: Concept
broader: Astrometry
broader: ObservingTechniques
broader: RadioAstronomy
pref label: RADIO ASTROMETRIE @fr
pref label: RADIO ASTROMETRY @en
pref label: RADIOASTROMETRIA
pref label: RADIOASTROMETRIE @de
related: Interferometry
related: LongBaselineInterferometry
related: VeryLongBaselineInterferometry

RadioAstronomy
type: Concept
narrower: MillimeterAstronomy
narrower: RadarAstronomy
narrower: RadioAstrometry
narrower: SubmillimeterAstronomy
pref label: RADIO ASTRONOMIE @fr
pref label: RADIO ASTRONOMY @en
pref label: RADIOASTRONOMIA
pref label: RADIOASTRONOMIE @de
related: CleanMethods
scope note: Use as NTs all terms associated with radio astronomy

RadioBackground
type: Concept
alt label: Radiofrequenzstoerung @de
alt label: Radiorauschen @de
alt label: bruit radio @fr
alt label: interference de frequences radio @fr
alt label: interferencia en radiofrecuencias
alt label: interferenza a frequenze radio @it
alt label: radio frequency interference @en
alt label: radio noise @en
alt label: ruido radioelectrico
alt label: rumore radioelettrico @it
broader: BackgroundRadiation
pref label: FOND DE RAYONNEMENT RADIO @fr
pref label: FONDO EN RADIO
pref label: FONDO RADIO @it
pref label: RADIO BACKGROUND @en
pref label: RADIOWELLENHINTERGRUND @de
related: CosmicNoise
related: GammaRayBackground
related: MicrowaveBackground
related: RadioInterference
related: RadioRadiation
related: UltravioletBackground
related: XRayBackground

RadioBursts
type: Concept
broader: Bursts
pref label: ESTALLIDOS EN RADIO
pref label: RADIO BURSTS @en
pref label: RADIOBURST @it
pref label: RADIOWELLENAUSBRUECHE @de
pref label: SURSAUT RADIO @fr
related: Bursters
related: GammaRayBursts
related: OpticalBursts
related: XRayBursts

RadioCores
type: Concept
pref label: NOYAU D'EMISSION RADIO @fr
pref label: NUCLEI RADIO @it
pref label: RADIO CORES @en
pref label: RADIOKERN @de
pref label: RADIONUCLEOS
related: RadioSources

RadioEmission
type: Concept
pref label: EMISION EN RADIO
pref label: EMISSION RADIO @fr
pref label: EMISSIONE RADIO @it
pref label: RADIO EMISSION @en
pref label: RADIOEMISSION @de
scope note: See RADIO RADIATION.

RadioFlares
type: Concept
broader: Flares
pref label: BRILLAMENTI RADIO @it
pref label: ECLAT RADIO @fr
pref label: RADIO FLARES @en
pref label: RADIOAUSBRUECHE @de
pref label: RADIOFULGURACIONES
related: FlareStars

RadioFrequencies
type: Concept
pref label: FREQUENCE RADIO @fr
pref label: FREQUENZE RADIO @it
pref label: RADIO FREQUENCIES @en
pref label: RADIOFRECUENCIAS
pref label: RADIOFREQUENZEN @de
related: PaulTrap
related: RadioSpectra
related: RadioWaves
related: SpectralIndices

RadioGalaxies
type: Concept
broader: ExtragalacticRadioSources
broader: Galaxies
narrower: EpGalaxies
narrower: GiantRadioGalaxies
narrower: HeadTailGalaxies
pref label: RADIO GALAXIES @en
pref label: RADIOGALASSIE @it
pref label: RADIOGALAXIAS
pref label: RADIOGALAXIE @fr
pref label: RADIOGALAXIEN @de
related: ActiveGalacticNuclei
related: FanaroffRileyClass
related: XRaySources

Radioheliographs
type: Concept
broader: RadioTelescopes
broader: SolarTelescopes
pref label: RADIO HELIOGRAPHE @fr
pref label: RADIOELIOGRAFI @it
pref label: RADIOHELIOGRAFOS
pref label: RADIOHELIOGRAPHEN @de
pref label: RADIOHELIOGRAPHS @en

RadioInterference
type: Concept
alt label: Radiofrequenzstoerung @de
alt label: Radiorauschen @de
alt label: bruit radio @fr
alt label: interference de frequences radio @fr
alt label: interferencia en radiofrecuencias
alt label: interferenza a frequenze radio @it
alt label: radio frequency interference @en
alt label: radio noise @en
alt label: ruido radioelectrico
alt label: rumore radioelettrico @it
narrower: CosmicNoise
pref label: INTERFERENCES RADIO @fr
pref label: RADIO INTERFERENCE @en
pref label: RADIOINTERFERENCIA
pref label: RADIOINTERFERENZA @it
pref label: RADIOSTOERUNG / INTERFERENZ @de
related: RadioBackground

RadioInterferometers
type: Concept
broader: Interferometers
broader: RadioTelescopes
narrower: LongBaselineInterferometers
narrower: TArrays
narrower: VeryLongBaselineInterferometers
narrower: YArrays
pref label: RADIO INTERFEROMETERS @en
pref label: RADIO INTERFEROMETRE @fr
pref label: RADIOINTERFEROMETER @de
pref label: RADIOINTERFEROMETRI @it
pref label: RADIOINTERFEROMETROS
related: Arrays
related: PencilBeams
related: PhasedArrays
related: RadioInterferometry
related: RadioObservatories

RadioInterferometry
type: Concept
broader: Interferometry
broader: ObservingTechniques
narrower: LongBaselineInterferometry
narrower: VeryLongBaselineInterferometry
pref label: RADIO INTERFEROMETRIE @fr
pref label: RADIO INTERFEROMETRY @en
pref label: RADIOINTERFEROMETRIA
pref label: RADIOINTERFEROMETRIE @de
related: InterferenceWaves
related: RadioInterferometers
related: TimeSynchronization
scope note: See RADIO INTERFEROMETERS.

RadioJets
type: Concept
broader: Jets
pref label: CHORROS EN RADIO
pref label: GETTI RADIO @it
pref label: JET RADIO @fr
pref label: RADIO JETS @en
pref label: RADIOJETS @de
related: RadioSources

Radiometers
type: Concept
broader: Detectors
broader: MeasuringInstruments
pref label: RADIOMETER @de
pref label: RADIOMETERS @en
pref label: RADIOMETRE @fr
pref label: RADIOMETRI @it
pref label: RADIOMETROS
related: Bolometers
related: Photometers
related: Radiometry

Radiometry
type: Concept
pref label: RADIOMETRIA
pref label: RADIOMETRIE @de
pref label: RADIOMETRY @en
related: Radiometers

RadioObservatories
type: Concept
broader: Observatories
pref label: OBSERVATOIRE RADIO @fr
pref label: RADIO OBSERVATORIES @en
pref label: RADIOOBSERVATORIOS
pref label: RADIOOSSERVATORI @it
pref label: RADIOSTERNWARTEN @de
related: MillimeterAstronomy
related: RadarAstronomy
related: RadioInterferometers
related: RadioTelescopes
related: SubmillimeterAstronomy

RadioOccultations
type: Concept
broader: Occultations
pref label: OCCULTATION DE SOURCE RADIO @fr
pref label: OCULTACIONES EN RADIO
pref label: RADIO OCCULTATIONS @en
pref label: RADIOOCCULTAZIONI @it
pref label: RADIOVERFINSTERUNGEN @de

RadioPulsars
type: Concept
broader: Pulsars
pref label: RADIO PULSAR @fr
pref label: RADIO PULSARS @en
pref label: RADIOPULSAR @it
pref label: RADIOPULSARE @de
pref label: RADIOPULSARES
related: OpticalPulsars

RadioQuietQuasars
type: Concept
broader: Quasars
pref label: CUASARES RADIO QUIETOS
pref label: QUASAR CALME EN RADIO @fr
pref label: QUASAR RADIO QUIETI @it
pref label: QUASARE OHNE RADIOSTRAHLUNG @de
pref label: RADIO QUIET QUASARS @en

RadioRadiation
type: Concept
broader: Radiation
pref label: RADIACION RADIOELECTRICA
pref label: RADIAZIONE RADIO @it
pref label: RADIO RADIATION @en
pref label: RADIOSTRAHLUNG @de
pref label: RAYONNEMENT RADIO @fr
related: Jansky
related: RadioBackground
related: RadioSources
related: RadioWaves
scope note: Synonym: RADIO EMISSION.

RadioRecombinationLines
type: Concept
broader: RecombinationLines
narrower: 21CmLine
pref label: LINEAS DE RECOMBINACION EN RADIO
pref label: RADIO RECOMBINATION LINES @en
pref label: RADIOREKOMBINATIONSLINIEN @de
pref label: RAIE RADIO DE RECOMBINAISON @fr
pref label: RIGHE DI RICOMBINAZIONE RADIO @it
related: EmissionLines
related: HIRegions
related: HIiRegions
related: Masers

RadioSourceCatalogs
type: Concept
broader: Catalogs
pref label: CATALOGHI DI RADIOSORGENTI @it
pref label: CATALOGOS DE RADIOFUENTES
pref label: CATALOGUE DE RADIO SOURCES @fr
pref label: RADIO SOURCE CATALOGS @en
pref label: RADIOQUELLENKATALOGE @de
related: RadioSourceCounts
scope note: Combine with other terms

RadioSourceCounts
type: Concept
pref label: CONTEGGI DI RADIOSORGENTI @it
pref label: CONTEO DE RADIOFUENTES
pref label: DENOMBREMENT DE RADIO SOURCES @fr
pref label: RADIO SOURCE COUNTS @en
pref label: RADIOQUELLENZAEHLUNG @de
related: ObservationalCosmology
related: RadioSourceCatalogs
related: RadioSources
related: Statistics
related: Surveys

RadioSources
type: Concept
narrower: CompactSources
narrower: DiscreteRadioSources
narrower: ExtendedSources
narrower: ExtragalacticRadioSources
narrower: HeadTailGalaxies
narrower: OhSources
narrower: Pulsars
narrower: RadioStars
narrower: VariableSources
pref label: RADIO SOURCE @fr
pref label: RADIO SOURCES @en
pref label: RADIOFUENTES
pref label: RADIOQUELLEN @de
pref label: RADIOSORGENTI @it
related: BipolarOutflows
related: GalaxyEncounters
related: InterplanetaryScintillation
related: InterstellarScintillation
related: IonosphericScintillation
related: Jets
related: Lobes
related: Masers
related: OpticalIdentifications
related: RadioCores
related: RadioJets
related: RadioRadiation
related: RadioSourceCounts
related: SiOMasers
related: SupernovaRemnants
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

RadioSpectra
type: Concept
broader: Spectra
pref label: ESPECTROS EN RADIO
pref label: RADIO SPECTRA @en
pref label: RADIOSPEKTREN @de
pref label: RADIOSPETTRI @it
pref label: SPECTRE RADIO @fr
related: MicrowaveSpectra
related: RadioFrequencies
related: RadioSpectrographs
related: RadioSpectrometers
related: RadioSpectroscopy
related: SpectralIndices

RadioSpectrographs
type: Concept
broader: Spectrographs
pref label: RADIO SPECTROGRAPHE @fr
pref label: RADIO SPECTROGRAPHS @en
pref label: RADIOESPECTROGRAFOS
pref label: RADIOSPEKTROGRAPHEN @de
pref label: RADIOSPETTROGRAFI @it
related: RadioSpectra
related: RadioSpectrometers
related: RadioSpectroscopy

RadioSpectrometers
type: Concept
broader: Spectrometers
pref label: RADIO SPECTROMETERS @en
pref label: RADIO SPECTROMETRE @fr
pref label: RADIOESPECTROMETROS
pref label: RADIOSPEKTROMETER @de
pref label: RADIOSPETTROMETRI @it
related: RadioSpectra
related: RadioSpectrographs

RadioSpectroscopy
type: Concept
pref label: RADIO SPECTROSCOPIE @fr
pref label: RADIO SPECTROSCOPY @en
pref label: RADIOESPECTROSCOPIA
pref label: RADIOSPEKTROSKOPIE @de
pref label: RADIOSPETTROSCOPIA @it
related: RadioSpectra
related: RadioSpectrographs

RadioStars
type: Concept
broader: RadioSources
narrower: FlareStars
pref label: ETOILE RADIO @fr
pref label: RADIO STARS @en
pref label: RADIOESTRELLAS
pref label: RADIOSTELLE @it
pref label: RADIOSTERNE @de
related: XRayStars

RadioStructure
type: Concept
narrower: Lobes
pref label: ESTRUCTURA EN RADIO
pref label: RADIO STRUCTURE @en
pref label: RADIOSTRUKTUR @de
pref label: RADIOSTRUTTURA @it
pref label: STRUCTURE RADIO @fr
related: BipolarOutflows
related: CompactSources
related: ContourMaps
related: DriftScans
related: ExtendedSources
related: HeadTailGalaxies

RadioTelescopes
type: Concept
broader: Telescopes
narrower: CassegrainAntennas
narrower: DishAntennas
narrower: MillsCrossAntennas
narrower: RadarTelescopes
narrower: RadioInterferometers
narrower: Radioheliographs
narrower: VeryLargeArrays
narrower: YagiAntennas
pref label: RADIO TELESCOPE @fr
pref label: RADIO TELESCOPES @en
pref label: RADIOTELESCOPI @it
pref label: RADIOTELESCOPIOS
pref label: RADIOTELESKOPE @de
related: AntennaDesign
related: Antennas
related: Apodization
related: Arrays
related: BeamSwitching
related: Beamwidth
related: FeedHorns
related: HalfWaveDipoles
related: Interferometers
related: ParabolicReflectors
related: PhaseRotator
related: PhaseSwitching
related: RadarEquipment
related: RadioAntennas
related: RadioObservatories
related: Receivers
related: ShapedReflectors
related: Subreflectors
scope note: Not a complete list of terms.

RadioWaveguides
type: Concept
broader: Waveguides
narrower: HornAntennas
pref label: GUIAS DE ONDA PARA RADIOFRECUENCIAS
pref label: GUIDE D'ONDA RADIO @it
pref label: GUIDE D'ONDES RADIO @fr
pref label: RADIO WAVEGUIDES @en
pref label: RADIOWELLENLEITER @de

RadioWaves
type: Concept
broader: ElectromagneticWaves
pref label: ONDAS DE RADIO
pref label: ONDE RADIO @it
pref label: RADIO WAVES @en
pref label: RADIOWELLEN @de
related: RadioFrequencies
related: RadioRadiation

RadioWindows
type: Concept
broader: AtmosphericWindows
pref label: FENETRE RADIO @fr
pref label: FINESTRE RADIO @it
pref label: RADIO WINDOWS @en
pref label: RADIOFENSTER @de
pref label: VENTANAS EN RADIO
related: InfraredWindows
related: InterstellarMatter
related: OpticalWindows
scope note: Low absorption in atmosphere.

RadiusLuminosityRelation
type: Concept
pref label: RADIUS LUMINOSITY RELATION @en
pref label: RADIUS-LEUCHTKRAFT-BEZIEHUNG @de
pref label: RELACION RADIO LUMINOSIDAD
pref label: RELATION RAYON LUMINOSITE @fr
pref label: RELAZIONE RAGGIO LUMINOSITA @it
related: Cepheids
related: PeriodColorRelation
related: PeriodDensityRelation
related: PeriodLuminosityColorRelation
related: PeriodLuminosityRelation
related: PeriodMassRelation
related: PeriodRadiusRelation
related: PeriodSpectrumRelation

RamanEffect
type: Concept
pref label: EFECTO RAMAN
pref label: EFFET RAMAN @fr
pref label: EFFETTO RAMAN @it
pref label: RAMAN EFFECT @en
pref label: RAMAN-EFFEKT @de
related: AbsorptionSpectra
related: EmissionSpectra
related: RadiationScattering
related: RamanScattering
related: RamanSpectra
related: RamanSpectroscopy

RamanScattering
type: Concept
pref label: DIFFUSION RAMAN @fr
pref label: DIFFUSIONE RAMAN @it
pref label: DISPERSION RAMAN
pref label: RAMAN SCATTERING @en
pref label: RAMAN-STREUUNG @de
related: RamanEffect
scope note: See RAMAN EFFECT.

RamanSpectra
type: Concept
pref label: ESPECTROS RAMAN
pref label: RAMAN SPECTRA @en
pref label: RAMAN-SPEKTREN @de
pref label: SPECTRE RAMAN @fr
pref label: SPETTRI RAMAN @it
related: LightScattering
related: RamanEffect
scope note: See RAMAN EFFECT.

RamanSpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA RAMAN
pref label: RAMAN SPECTROSCOPY @en
pref label: RAMAN-SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE RAMAN @fr
pref label: SPETTROSCOPIA RAMAN @it
related: MolecularSpectra
related: RamanEffect
scope note: See RAMAN EFFECT.

RamsdenEyepiece
type: Concept
broader: Eyepieces
pref label: OCULAIRE DE RAMSDEN @fr
pref label: OCULAR DE RAMSDEN
pref label: OCULARE DI RAMSDEN @it
pref label: RAMSDEN EYEPIECE @en
pref label: RAMSDEN-OKULAR @de

RangeFinders
type: Concept
broader: MeasuringInstruments
pref label: ENTFERNUNGSMESSER @de
pref label: RADIOTELEMETRI; UF RADAR TELEMETRICI @it
pref label: RANGE FINDERS @en
pref label: TELEMETRE RADIO @fr
pref label: TELEMETRO
related: Distance

RankineHugoniotRelations
type: Concept
pref label: RANKINE HUGONIOT RELATIONS @en
pref label: RANKINE-HUGONIOT-BEZIEHUNG @de
pref label: RELACIONES RANKINE HUGONIOT
pref label: RELATIONS DE RANKINE HUGONIOT @fr
pref label: RELAZIONI DI RANKINE HUGONIOT @it
related: Density
related: Pressure
related: ShockWaves

RapidBursts
type: Concept
broader: Bursts
pref label: BURST RAPIDI @it
pref label: ESTALLIDOS RAPIDOS
pref label: RAPID BURSTS @en
pref label: SCHNELLE AUSBRUECHE @de
pref label: SURSAUT RAPIDE @fr
related: GammaRayBursts
related: XRayBursts

RapidOscillations
type: Concept
pref label: OSCILACIONES RAPIDAS
pref label: OSCILLATION RAPIDE @fr
pref label: OSCILLAZIONI RAPIDE @it
pref label: RAPID OSCILLATIONS @en
pref label: SCHNELLE SCHWINGUNGEN @de
related: ApStars
related: Asteroseismology
related: Pulsars

RareEarths
type: Concept
pref label: ELEMENTS TERRES RARES @fr
pref label: RARE EARTHS @en
pref label: SELTENE ERDEN @de
pref label: TERRE RARE @it
pref label: TIERRAS RARAS
related: Abundance
related: MetalAbundance
related: MetalLines

RAssociations
type: Concept
broader: StarAssociations
pref label: ASOCIACIONES R
pref label: ASSOCIATION R @fr
pref label: ASSOCIAZIONI R @it
pref label: R ASSOCIATIONS @en
pref label: R-ASSOZIATIONEN @de
related: ReflectionNebulae
related: YoungStars

Rayleigh
type: Concept
pref label: RAYLEIGH
related: Auroras
related: NightSkyBrightness
scope note: Solar aurora flux unit.

RayleighCriterion
type: Concept
alt label: Rayleigh-Grenze @de
alt label: limite de rayleigh
alt label: limite di rayleigh @it
alt label: rayleigh limit @en
pref label: CRITERE DE RAYLEIGH @fr
pref label: CRITERIO DE RAYLEIGH
pref label: CRITERIO DI RAYLEIGH @it
pref label: RAYLEIGH CRITERION @en
pref label: RAYLEIGH-KRITERIUM @de
related: Diffraction
related: Resolution

RayleighLimit
type: Concept
pref label: LIMITE DE RAYLEIGH
pref label: LIMITE DI RAYLEIGH @it
pref label: RAYLEIGH LIMIT @en
pref label: RAYLEIGH-GRENZE @de
related: RadiationMechanisms
related: RadiativeTransfer
scope note: Refers to radiation mechanisms.

RayleighNumber
type: Concept
pref label: NOMBRE DE RAYLEIGH @fr
pref label: NUMERO DE RAYLEIGH
pref label: NUMERO DI RAYLEIGH @it
pref label: RAYLEIGH NUMBER @en
pref label: RAYLEIGH-ZAHL @de
related: Convection
related: ThermalStability

RayleighScattering
type: Concept
broader: LightScattering
broader: RadiationScattering
pref label: DIFFUSION RAYLEIGH @fr
pref label: DIFFUSIONE DI RAYLEIGH @it
pref label: DISPERSION DE RAYLEIGH
pref label: RAYLEIGH SCATTERING @en
pref label: RAYLEIGH-STREUUNG @de
related: Airglow
related: ComptonScattering
related: InterstellarAbsorption
related: MieScattering
related: NightSkyBrightness
related: ThomsonScattering

RayleighTaylorInstability
type: Concept
broader: Instabilities
pref label: INESTABILIDAD DE RAYLEIGH TAYLOR
pref label: INSTABILITA DI RAYLEIGH TAYLOR @it
pref label: INSTABILITE DE RAYLEIGH TAYLOR @fr
pref label: RAYLEIGH TAYLOR INSTABILITY @en
pref label: RAYLEIGH-TAYLOR-INSTABILITAET @de
related: FluidMechanics

Rays
type: Concept
pref label: RAGGI @it
pref label: RAYON @fr
pref label: RAYOS
pref label: RAYS @en
pref label: STRAHLEN @de
related: Moon
scope note: Refers to lunar features.

RazinEffect
type: Concept
pref label: EFECTO RAZIN
pref label: EFFET RAZIN @fr
pref label: EFFETTO RAZIN @it
pref label: RAZIN EFFECT @en
pref label: RAZIN-EFFEKT @de
related: SynchrotronRadiation
scope note: Also Razin Tsytovich effect

RCanisMajorisStars
type: Concept
alt label: estrellas rcma
alt label: etoile rcma @fr
alt label: rcma stars @en
alt label: rcma-Sterne @de
alt label: stelle rcma @it
broader: EclipsingBinaryStars
pref label: ESTRELLAS R CANIS MAJORIS
pref label: ETOILES R CANIS MAJORIS @fr
pref label: R CANIS MAJORIS STARS @en
pref label: R CANIS MAJORIS-STERNE @de
pref label: STELLE R CANIS MAJORIS @it

RCoronaeBorealisStars
type: Concept
alt label: estrellas rcb
alt label: etoile rcb @fr
alt label: rcb stars @en
alt label: rcb-Sterne @de
alt label: stelle rcb @it
broader: IrregularVariableStars
pref label: ESTRELLAS R CORONAE BOREALIS
pref label: ETOILES R CORONAE BOREALIS @fr
pref label: R CORONAE BOREALIS STARS @en
pref label: R CORONAE BOREALIS-STERNE @de
pref label: STELLE R CORONAE BOREALIS @it
related: CircumstellarDust
related: CircumstellarGrains
related: SupergiantStars

Receivers
type: Concept
pref label: EMPFAENGER @de
pref label: RECEIVERS @en
pref label: RECEPTEUR @fr
pref label: RECEPTORES
pref label: RICEVITORI @it
related: Correlation
related: Detectors
related: PhaseSensitiveDetectors
related: PhaseSwitching
related: RadioTelescopes

Recombination
type: Concept
pref label: RECOMBINACION
pref label: RECOMBINAISON @fr
pref label: RECOMBINATION @en
pref label: REKOMBINATION @de
pref label: RICOMBINAZIONE @it
related: Electrons
related: Photoionization
related: RecombinationLines

RecombinationLines
type: Concept
broader: EmissionLines
narrower: RadioRecombinationLines
pref label: LINEAS DE RECOMBINACION
pref label: RAIE DE RECOMBINAISON @fr
pref label: RECOMBINATION LINES @en
pref label: REKOMBINATIONSLINIEN @de
pref label: RIGHE DI RICOMBINAZIONE @it
related: Radiation
related: Recombination
related: Spectra

RecurrentNovas
type: Concept
broader: Novas
pref label: NOVA RECURRENTE @fr
pref label: NOVAE RICORRENTI @it
pref label: NOVAS RECURRENTES
pref label: RECURRENT NOVAS @en
pref label: WIEDERKEHRENDE NOVAE @de
related: FastNovas
related: SlowNovas

ReddenedStars
type: Concept
pref label: ESTRELLAS ENROJECIDAS
pref label: ETOILE ROUGIE @fr
pref label: REDDENED STARS @en
pref label: ROTVERFAERBTE STERNE @de
pref label: STELLE ARROSSATE @it
related: Absorption
related: InterstellarAbsorption
related: InterstellarReddening
related: Reddening
related: ReddeningLaw

Reddening
type: Concept
narrower: InterstellarReddening
pref label: ARROSSAMENTO @it
pref label: ENROJECIMIENTO
pref label: REDDENING @en
pref label: ROTVERFAERBUNG @de
pref label: ROUGISSEMENT @fr
related: Absorption
related: IntergalacticAbsorption
related: InterstellarAbsorption
related: InterstellarDust
related: InterstellarGas
related: IntrinsicColors
related: ReddenedStars
related: SelectiveAbsorption

ReddeningLaw
type: Concept
pref label: LEGGE DI ARROSSAMENTO @it
pref label: LEY DE ENROJECIMIENTO
pref label: LOI DE ROUGISSEMENT @fr
pref label: REDDENING LAW @en
pref label: ROTVERFAERBUNGSGESETZ @de
related: GasToDustRatio
related: InterstellarReddening
related: ReddenedStars
related: SelectiveAbsorption

RedDwarfFlareStars
type: Concept
broader: FlareStars
broader: LateTypeDwarfStars
pref label: ESTRELLAS ENANAS ROJAS ERUPTIVAS
pref label: FLACKERNDE ROTE ZWERGSTERNE @de
pref label: NAINE ROUGE A SURSAUT @fr
pref label: RED DWARF FLARE STARS @en
pref label: STELLE NANE ROSSE A BRILLAMENTI @it

RedDwarfStars
type: Concept
pref label: ESTRELLAS ENANAS ROJAS
pref label: NAINE ROUGE @fr
pref label: RED DWARF STARS @en
pref label: ROTE ZWERGSTERNE @de
pref label: STELLE NANE ROSSE @it
scope note: See LATE TYPE DWARF STARS

RedGiantStars
type: Concept
pref label: ESTRELLAS GIGANTES ROJAS
pref label: ETOILE GEANTE ROUGE @fr
pref label: RED GIANT STARS @en
pref label: ROTE RIESENSTERNE @de
pref label: STELLE GIGANTI ROSSE @it
scope note: See LATE TYPE GIANT STARS

RedGiantTip
type: Concept
broader: GiantBranch
pref label: ESTREMITA SUPERIORE DEL BRACCIO GIGANTE ROSSO @it
pref label: EXTREMO DE LAS GIGANTES ROJAS
pref label: RED GIANT TIP @en
pref label: SOMMET DE LA BRANCHE DES GEANTES ROUGES @fr
pref label: SPITZE DES ROTEN RIESENASTES @de
related: CarbonFlash
related: EvolvedStars
related: HeliumFlash
related: HertzsprungRussellDiagram
related: LateTypeGiantStars

Redshift
type: Concept
broader: DopplerEffect
broader: LineShift
narrower: GravitationalRedshift
pref label: DECALAGE SPECTRAL @fr
pref label: DESPLAZAMIENTO AL ROJO
pref label: REDSHIFT @en
pref label: ROTVERSCHIEBUNG @de
pref label: SPOSTAMENTO VERSO IL ROSSO @it
related: CosmologicalDistanceScale
related: Cosmology
related: FrequencyShift
related: HubbleDiagram
related: HubbleLaw
related: KCorrection
related: LymanAlphaForest
related: ObservationalCosmology
related: RadialVelocity
related: TullyFisherRelation

RedshiftDistanceRelation
type: Concept
pref label: REDSHIFT DISTANCE RELATION @en
pref label: RELACION DESPLAZAMIENTO AL ROJO DISTANCIA
pref label: RELATION DECALAGE SPECTRAL DISTANCE @fr
pref label: RELAZIONE REDSHIFT DISTANZA @it
pref label: ROTVERSCHIEBUNG-ENTFERNUNGS-BEZIEHUNG @de
related: CosmologicalDistanceScale
related: Cosmology
related: ObservationalCosmology

RedshiftMagnitudeRelation
type: Concept
pref label: REDSHIFT MAGNITUDE RELATION @en
pref label: RELACION DESPLAZAMIENTO AL ROJO MAGNITUD
pref label: RELATION DECALAGE SPECTRAL MAGNITUDE @fr
pref label: RELAZIONE REDSHIFT MAGNITUDINE @it
pref label: ROTVERSCHIEBUNG-HELLIGKEITS-BEZIEHUNG @de
related: CosmologicalDistanceScale
related: Cosmology
related: HubbleConstant
related: HubbleDiagram
related: HubbleLaw

RedStars
type: Concept
pref label: ESTRELLAS ROJAS
pref label: ETOILE ROUGE @fr
pref label: RED STARS @en
pref label: ROTE STERNE @de
pref label: STELLE ROSSE @it
scope note: See either LATE TYPE STARS or REDDENED STARS

RedSupergiantStars
type: Concept
pref label: ESTRELLAS SUPERGIGANTES ROJAS
pref label: ETOILE SUPERGEANTE ROUGE @fr
pref label: RED SUPERGIANT STARS @en
pref label: ROTE UEBERRIESEN @de
pref label: STELLE SUPERGIGANTI ROSSE @it
scope note: See LATE TYPE SUPERGIANT STARS

ReductionMethods
type: Concept
pref label: METHODE DE REDUCTION @fr
pref label: METODI DI RIDUZIONE @it
pref label: METODOS DE REDUCCION
pref label: REDUCTION METHODS @en
pref label: REDUKTIONSMETHODEN @de
related: Analyses
related: AstronomicalTechniques
related: DataProcessing
related: DataReduction

ReferenceFrames
type: Concept
pref label: BEZUGSSYSTEME @de
pref label: REFERENCE FRAMES @en
pref label: REFERENTIEL @fr
pref label: SISTEMAS DE REFERENCIA
pref label: SISTEMI DI RIFERIMENTO @it
related: CoordinateSystems

ReferenceSystems
type: Concept
pref label: BEZUGSSYSTEME @de
pref label: REFERENCE SYSTEMS @en
pref label: SISTEMAS DE REFERENCIA
pref label: SISTEMI DI RIFERIMENTO @it
pref label: SYSTEME DE REFERENCE @fr
related: Astrometry
related: CoordinateSystems
related: Positions
related: SphericalCoordinates

ReflectingTelescopes
type: Concept
alt label: REFLECTORES
alt label: Reflektoren @de
alt label: reflecteur @fr
alt label: reflectors @en
alt label: riflettori @it
broader: OpticalTelescopes
narrower: BakerNunnCameras
narrower: BouwersTelescopes
narrower: Coelostats
narrower: MaksutovTelescopes
narrower: MultipleMirrorTelescopes
narrower: RitcheyChretienTelescopes
narrower: SchmidtTelescopes
narrower: WideFieldTelescopes
pref label: REFLECTEUR @fr
pref label: REFLECTING TELESCOPES @en
pref label: SPIEGELTELESKOPE @de
pref label: TELESCOPI RIFLETTORI @it
pref label: TELESCOPIOS REFLECTORES
related: ParabolicReflectors
related: PrimaryMirrors
related: SecondaryMirrors
scope note: Refers to optical telescopes.

Reflection
type: Concept
pref label: REFLECTION @en
pref label: REFLEXION
pref label: RIFLESSIONE @it
related: Albedo
related: Mirrors
related: Refraction
related: Scattering
related: ThinFilms
related: Transmission

ReflectionGratings
type: Concept
broader: DiffractionGratings
pref label: REDES REFLECTORAS
pref label: REFLECTION GRATINGS @en
pref label: REFLEXIONSGITTER @de
pref label: RESEAU PAR REFLEXION @fr
pref label: RETICOLI A RIFLESSIONE @it
related: EchelleGratings
related: ObjectiveGratings
related: TransmissionGratings

ReflectionNebulae
type: Concept
broader: InterstellarMatter
broader: Nebulae
pref label: NEBULEUSE DIFFUSANTE @fr
pref label: NEBULOSAS DE REFLEXION
pref label: NEBULOSE A RIFLESSIONE @it
pref label: REFLECTION NEBULAE @en
pref label: REFLEXIONSNEBEL @de
related: RAssociations

ReflectorAntennas
type: Concept
broader: Antennas
pref label: ANTENAS REFLECTORAS
pref label: ANTENNE A RIFLESSIONE @it
pref label: ANTENNE MIROIR @fr
pref label: REFLECTOR ANTENNAS @en
pref label: REFLEKTOR-ANTENNEN @de

RefractingTelescopes
type: Concept
broader: OpticalTelescopes
narrower: ZenithTelescopes
pref label: LINSENFERNROHRE / REFRAKTOREN @de
pref label: REFRACTEUR @fr
pref label: REFRACTING TELESCOPES @en
pref label: TELESCOPI RIFRATTORI @it
pref label: TELESCOPIOS REFRACTORES
related: PrimaryLenses

Refraction
type: Concept
pref label: BRECHUNG @de
pref label: REFRACCION
pref label: REFRACTION @fr
pref label: RIFRAZIONE @it
related: Lenses
related: Light
related: Reflection
related: RefractiveIndex
related: Scattering
related: Transmission
related: WavePropagation

RefractiveIndex
type: Concept
broader: OpticalProperties
pref label: BRECHUNGSINDEX @de
pref label: INDICE DE REFRACCION
pref label: INDICE DE REFRACTION @fr
pref label: INDICE DI RIFRAZIONE @it
pref label: REFRACTIVE INDEX @en
related: AtmosphericRefraction
related: Lenses
related: OpticalPathlength
related: Optics
related: Refraction

RegressionOfNodes
type: Concept
pref label: REGRESION DE LOS NODOS
pref label: REGRESSION DER KNOTENPUNKTE @de
pref label: REGRESSION DES NOEUDS @fr
pref label: REGRESSION OF NODES @en
pref label: REGRESSIONE DEI NODI @it
related: Moon
related: OrbitalElements

RelativisticAstrophysics
type: Concept
pref label: ASTROFISICA RELATIVISTA
pref label: ASTROFISICA RELATIVISTICA @it
pref label: ASTROPHYSIQUE RELATIVISTE @fr
pref label: RELATIVISTIC ASTROPHYSICS @en
pref label: RELATIVISTISCHE ASTROPHYSIK @de
related: BlackHoles
related: Cosmology
related: Gravity
related: NeutronStars
related: RelativisticCosmology

RelativisticCosmology
type: Concept
broader: Cosmology
pref label: COSMOLOGIA RELATIVISTA
pref label: COSMOLOGIA RELATIVISTICA @it
pref label: COSMOLOGIE RELATIVISTE @fr
pref label: RELATIVISTIC COSMOLOGY @en
pref label: RELATIVISTISCHE KOSMOLOGIE @de
related: RelativisticAstrophysics

RelativisticDisks
type: Concept
pref label: DISCHI RELATIVISTICI @it
pref label: DISCOS RELATIVISTAS
pref label: DISQUE RELATIVISTE @fr
pref label: RELATIVISTIC DISKS @en
pref label: RELATIVISTISCHE SCHEIBEN @de
related: RelativisticEffects
related: RelativisticElectrons
related: RelativisticPlasmas
related: Relativity

RelativisticEffects
type: Concept
pref label: EFECTOS RELATIVISTAS
pref label: EFFET RELATIVISTE @fr
pref label: EFFETTI RELATIVISTICI @it
pref label: RELATIVISTIC EFFECTS @en
pref label: RELATIVISTISCHE EFFEKTE @de
related: RelativisticDisks
related: RelativisticElectrons
related: RelativisticPlasmas
related: Relativity

RelativisticElectrons
type: Concept
broader: ElectronBeams
broader: RelativisticParticles
pref label: ELECTRON RELATIVISTE @fr
pref label: ELECTRONES RELATIVISTAS
pref label: ELETTRONI RELATIVISTICI @it
pref label: RELATIVISTIC ELECTRONS @en
pref label: RELATIVISTISCHE ELEKTRONEN @de
related: RelativisticDisks
related: RelativisticEffects
related: SynchrotronRadiation

RelativisticFluidDynamics
type: Concept
broader: FluidDynamics
broader: RelativisticMechanics
pref label: DINAMICA DE FLUIDOS RELATIVISTA
pref label: DYNAMIQUE DES FLUIDES RELATIVISTES @fr
pref label: FLUIDODINAMICA RELATIVISTICA @it
pref label: RELATIVISTIC FLUID DYNAMICS @en
pref label: RELATIVISTISCHE HYDRODYNAMIK @de

RelativisticMechanics
type: Concept
narrower: RelativisticFluidDynamics
pref label: MECANICA RELATIVISTA
pref label: MECANIQUE RELATIVISTE @fr
pref label: MECCANICA RELATIVISTICA @it
pref label: RELATIVISTIC MECHANICS @en
pref label: RELATIVISTISCHE MECHANIK @de
related: Relativity

RelativisticParticles
type: Concept
broader: Particles
narrower: RelativisticElectrons
pref label: PARTICELLE RELATIVISTICHE @it
pref label: PARTICULAS RELATIVISTAS
pref label: PARTICULE RELATIVISTE @fr
pref label: RELATIVISTIC PARTICLES @en
pref label: RELATIVISTISCHE TEILCHEN @de
related: RadiationMechanisms

RelativisticPlasmas
type: Concept
alt label: gas relativista
alt label: gas relativistico @it
alt label: gaz relativiste @fr
alt label: relativistic gas @en
alt label: relativistisches Gas @de
broader: Gases
broader: Plasmas
pref label: PLASMA RELATIVISTE @fr
pref label: PLASMAS RELATIVISTAS
pref label: PLASMI RELATIVISTICI @it
pref label: RELATIVISTIC PLASMAS @en
pref label: RELATIVISTISCHES PLASMA @de
related: RadiationMechanisms
related: RelativisticDisks
related: RelativisticEffects
related: Relativity

RelativisticStars
type: Concept
narrower: BlackHoles
narrower: NeutronStars
narrower: Pulsars
pref label: ESTRELLAS RELATIVISTAS
pref label: ETOILE RELATIVISTE @fr
pref label: RELATIVISTIC STARS @en
pref label: RELATIVISTISCHE STERNE @de
pref label: STELLE RELATIVISTICHE @it
related: Relativity
related: XRaySources

RelativisticVelocity
type: Concept
broader: Velocity
pref label: RELATIVISTIC VELOCITY @en
pref label: RELATIVISTISCHE GESCHWINDIGKEIT @de
pref label: VELOCIDAD RELATIVISTA
pref label: VELOCITA RELATIVISTICA @it
pref label: VITESSE RELATIVISTE @fr
related: BigBangTheory
related: Cosmology
related: QuantumMechanics
related: Relativity

Relativity
type: Concept
broader: Cosmogony
narrower: GeneralTheoryOfRelativity
pref label: RELATIVIDAD
pref label: RELATIVITA @it
pref label: RELATIVITAET @de
pref label: RELATIVITE @fr
pref label: RELATIVITY @en
related: FieldEquations
related: Gravitation
related: InertialCoordinateSystem
related: InertialReferenceFrame
related: RelativisticDisks
related: RelativisticEffects
related: RelativisticMechanics
related: RelativisticPlasmas
related: RelativisticStars
related: RelativisticVelocity

RelaxationTime
type: Concept
pref label: ERHOLUNGSZEIT / RELAXATIONSZEIT @de
pref label: RELAXATION TIME @en
pref label: TEMPO DI RILASSAMENTO @it
pref label: TEMPS DE RELAXATION @fr
pref label: TIEMPO DE RELAJACION
related: Age
related: ClustersOfGalaxies
related: StarClusters
related: StellarDynamics

RemoteControlSystems
type: Concept
broader: ControlSystems
pref label: FERNKONTROLLSYSTEME @de
pref label: REMOTE CONTROL SYSTEMS @en
pref label: SISTEMAS DE CONTROL REMOTO
pref label: SISTEMI DI CONTROLLO REMOTO @it
pref label: SYSTEME DE TELECOMMANDE @fr
related: AutomatedTelescopes
related: AutomaticPatrolTelescopes
related: TelescopeInstrumentation
related: Telescopes

RemoteSensing
type: Concept
pref label: FERNERKUNDUNG @de
pref label: REMOTE SENSING @en
pref label: RILEVAMENTO A DISTANZA @it
pref label: SENSORAMIENTO REMOTO
pref label: TELEDETECTION @fr
related: Detectors
related: InfraredRadiation
related: MicrowaveRadiation

Research
type: Concept
pref label: FORSCHUNG @de
pref label: INVESTIGACION
pref label: RECHERCHE @fr
pref label: RESEARCH @en
pref label: RICERCA @it
related: Design
related: Discoveries
related: Observations
related: Theory

Reseaux
type: Concept
pref label: GITTER @de
pref label: REDES
pref label: RESEAU @fr
pref label: RESEAUX @en
pref label: RETI @it
related: Calibration
related: Grids
related: PhotographicPlates
related: Spectroscopy

ResidualIntensity
type: Concept
pref label: INTENSIDAD RESIDUAL
pref label: INTENSITA RESIDUA @it
pref label: INTENSITE RESIDUELLE @fr
pref label: RESIDUAL INTENSITY @en
pref label: RESTINTENSITAET @de
related: AbsorptionLines
related: LineProfiles

Resolution
type: Concept
narrower: AngularResolution
narrower: SpectralResolution
pref label: AUFLOESUNG @de
pref label: RESOLUCION
pref label: RESOLUTION @fr
pref label: RISOLUZIONE @it
related: Interferometry
related: Optics
related: Pixel
related: RayleighCriterion
related: Sensitivity
related: Sidelobes
related: VisualAcuity

ResonanceGaps
type: Concept
narrower: KirkwoodGaps
pref label: LACUNE DE RESONANCE @fr
pref label: LAGUNAS DE RESONANCIA ?
pref label: RESONANCE GAPS @en
pref label: RESONANZLUECKEN @de
pref label: SPAZIATURE RISONANTI @it
related: MinorPlanets
related: PlanetaryRings
related: Planets
related: ShepherdSatellites

ResonanceLines
type: Concept
narrower: HAlpha
narrower: LymanAlpha
pref label: LINEAS DE RESONANCIA
pref label: RAIE DE RESONANCE @fr
pref label: RESONANCE LINES @en
pref label: RESONANZLINIEN @de
pref label: RIGHE DI RISONANZA @it
related: Spectra
scope note: Not a complete list of terms.

Retardation
type: Concept
pref label: RETARDATION @en
pref label: RETARDEMENT @fr
pref label: RETARDO
pref label: RITARDO @it
pref label: VERZOEGERUNG @de
scope note: Combine with other terms

Reticle
type: Concept
pref label: NETZ @de
pref label: RETICLE @en
pref label: RETICOLO @it
pref label: RETICULE @fr
pref label: RETICULO
related: Eyepieces
related: Graticule
related: Grids

ReticonArrays
type: Concept
broader: MultichannelDetectors
pref label: BARRETTE RETICON @fr
pref label: DISPOSITIVOS RETICON
pref label: RETICON ARRAYS @de
pref label: SCHIERA DI RETICON @it
related: DiodeArrays

RguPhotometry
type: Concept
broader: BroadBandPhotometry
pref label: FOTOMETRIA RGU
pref label: PHOTOMETRIE RGU @fr
pref label: RGU PHOTOMETRY @en
pref label: RGU-PHOTOMETRIE @de

RhoCassiopeiaeStars
type: Concept
alt label: estrellas rho cas
alt label: etoiles rho cas @fr
alt label: rho cas stars @en
alt label: rho cas-Sterne @de
alt label: stelle rho cas @it
pref label: ESTRELLAS RHO CASSIOPEIAE
pref label: ETOILES RHO CASSIOPEIAE @fr
pref label: RHO CASSIOPEIAE STARS @en
pref label: RHO CASSIOPEIAE-STERNE @de
pref label: STELLE RHO CASSIOPEIAE @it

RightAscension
type: Concept
pref label: ASCENSION DROITE @fr
pref label: ASCENSION RECTA
pref label: ASCENSIONE RETTA @it
pref label: REKTASZENSION @de
pref label: RIGHT ASCENSION @en
related: CelestialEquator
related: Declination
related: Equator
related: EquatorialCoordinateSystem
related: HourAngle
related: TransitTime

RigidBodyRotation
type: Concept
broader: Rotation
pref label: RIGID BODY ROTATION @en
pref label: ROTACION DEL CUERPO RIGIDO
pref label: ROTATION D'UN CORPS SOLIDE @fr
pref label: ROTAZIONE DEL CORPO RIGIDO @it
pref label: STARRKOERPERROTATION @de
related: RotatingBodies

Rilles
type: Concept
pref label: FISSURE @fr
pref label: RILLEN @de
pref label: RILLES @en
pref label: SOLCHI @it
pref label: SURCOS
related: Planets
related: Satellites

RingDivisions
type: Concept
pref label: DIVISION ANNULAIRE @fr
pref label: DIVISIONES DE LOS ANILLOS
pref label: DIVISIONI DEGLI ANELLI @it
pref label: RING DIVISIONS @en
pref label: RINGTEILUNGEN @de
related: PlanetaryRings
related: Planets

RingGalaxies
type: Concept
broader: Galaxies
broader: PeculiarGalaxies
pref label: GALASSIE AD ANELLO @it
pref label: GALAXIAS DE ANILLO
pref label: GALAXIE ANNULAIRE @fr
pref label: RING GALAXIES @en
pref label: RINGGALAXIEN @de
related: Rings

RingNebulae
type: Concept
broader: Nebulae
pref label: NEBULEUSE ANNULAIRE @fr
pref label: NEBULOSAS ANULARES
pref label: NEBULOSE AD ANELLO @it
pref label: RING NEBULAE @en
pref label: RINGNEBEL @de
related: PlanetaryNebulae

Rings
type: Concept
narrower: PlanetaryRings
narrower: StellarRings
pref label: ANELLI @it
pref label: ANILLOS
pref label: ANNEAU @fr
pref label: RINGE @de
pref label: RINGS @en
related: Ansae
related: RingGalaxies

RitcheyChretienTelescopes
type: Concept
broader: ReflectingTelescopes
pref label: RITCHEY CHRETIEN TELESCOPES @en
pref label: RITCHEY-CHRETIEN-TELESKOPE @de
pref label: TELESCOPE RITCHEY CHRETIEN @fr
pref label: TELESCOPI RITCHEY CHRETIEN @it
pref label: TELESCOPIOS RITCHEY CHRETIEN

RMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD R
pref label: MAGNITUDE R @fr
pref label: MAGNITUDINE R @it
pref label: R MAGNITUDE @en
pref label: R-HELLIGKEIT @de
related: JohnsonPhotometry

RocheLimit
type: Concept
pref label: LIMITE DE ROCHE
pref label: LIMITE DI ROCHE @it
pref label: ROCHE LIMIT @en
pref label: ROCHE-GRENZE @de
related: CloseBinaryStars
related: Gravitation
related: Orbits
related: PlanetaryRings
related: Planets
related: TidalDisruption

RocheLobe
type: Concept
pref label: LOBE DE ROCHE @fr
pref label: LOBO DI ROCHE @it
pref label: LOBULO DE ROCHE
pref label: ROCHE LOBE @en
pref label: ROCHE-VOLUMEN @de
related: CloseBinaryStars
related: EclipsingBinaryStars
related: InteractingBinaryStars
related: TidalInteraction

RocketBorneInstruments
type: Concept
pref label: INSTRUMENT EMBARQUE PAR UNE FUSEE @fr
pref label: INSTRUMENTE IN RAKETEN @de
pref label: INSTRUMENTOS TRANSPORTADOS EN COHETE
pref label: ROCKET BORNE INSTRUMENTS @en
pref label: STRUMENTI SU RAZZO @it
related: AirplaneBorneInstruments
related: BalloonBorneInstruments
related: CosmicRayAstronomy
related: GammaRayAstronomy
related: GroundBasedAstronomy
related: InfraredObservatories
related: SatelliteBorneInstruments
related: SpaceProbeInstruments
related: SpaceTelescopes
related: UltravioletAstronomy
related: XRayAstronomy

RosselandOpacity
type: Concept
broader: Opacity
pref label: OPACIDAD DE ROSSELAND
pref label: OPACITA DI ROSSELAND @it
pref label: OPACITE DE ROSSELAND @fr
pref label: ROSSELAND OPACITY @en
pref label: ROSSELAND-OPAZITAET @de
related: Absorption
related: KramersOpacity
related: StellarInteriors

RotatingBodies
type: Concept
narrower: CircumstellarDisks
narrower: CircumstellarShells
narrower: RotatingStars
pref label: CORPI ROTANTI @it
pref label: CORPS EN ROTATION @fr
pref label: CUERPOS ROTANTES
pref label: ROTATING BODIES @en
pref label: ROTIERENDE KOERPER @de
related: RigidBodyRotation
related: Rotation

RotatingStars
type: Concept
broader: RotatingBodies
pref label: ESTRELLAS ROTANTES
pref label: ETOILE EN ROTATION @fr
pref label: ROTATING STARS @en
pref label: ROTIERENDE STERNE @de
pref label: STELLE ROTANTI @it
related: RadiativeBraking
related: SynchronousRotation
related: VonZeipelTheorem

Rotation
type: Concept
narrower: DifferentialRotation
narrower: RigidBodyRotation
narrower: SynchronousRotation
pref label: ROTACION
pref label: ROTATION @de
pref label: ROTAZIONE @it
related: AngularMomentum
related: AngularVelocity
related: EquatorialBulge
related: Oblateness
related: Period
related: RotatingBodies
scope note: Combine with other terms

rProcess
type: Concept
pref label: PROCESO r
pref label: PROCESSO r @it
pref label: PROCESSUS r @fr
pref label: r PROCESS @en
pref label: r-PROZESS @de
related: Nucleosynthesis
related: Supernovas
related: pProcess
related: sProcess

RrabStars
type: Concept
broader: RrLyraeStars
pref label: ESTRELLAS RRab
pref label: ETOILE RRab @fr
pref label: RRab STARS @en
pref label: RRab-STERNE @de
pref label: STELLE RRab @it

RraStars
type: Concept
broader: RrLyraeStars
pref label: ESTRELLAS RRa
pref label: ETOILE RRa @fr
pref label: RRa STARS @en
pref label: RRa-STERNE @de
pref label: STELLE RRa @it

RrbStars
type: Concept
broader: RrLyraeStars
pref label: ESTRELLAS RRb
pref label: ETOILE RRb @fr
pref label: RRb STARS @en
pref label: RRb-STERNE @de
pref label: STELLE RRb @it

RrcStars
type: Concept
broader: RrLyraeStars
pref label: ESTRELLAS RRc
pref label: ETOILE RRc @fr
pref label: RRc STARS @en
pref label: RRc-STERNE @de
pref label: STELLE RRc @it

RrLyraeStars
type: Concept
alt label: AB-veraenderliche sterne @de
alt label: Haufenveraenderliche @de
alt label: ab variable stars @en
alt label: cluster type variable stars @en
alt label: estrellas variables ab
alt label: estrellas variables tipo cumulo
alt label: etoile variable ab @fr
alt label: etoile variable d'amas @fr
alt label: stelle variabili ab @it
alt label: stelle variabili d'ammasso @it
broader: DoubleModeVariableStars
broader: PopulationIiCepheids
broader: PulsatingVariableStars
narrower: BaileyTypes
narrower: RraStars
narrower: RrabStars
narrower: RrbStars
narrower: RrcStars
pref label: ESTRELLAS RR LYRAE
pref label: ETOILES RR LYRAE @fr
pref label: RR LYRAE STARS @en
pref label: RR LYRAE-STERNE @de
pref label: STELLE RR LYRAE @it
related: BlHerculisStars
related: BlazhkoEffect
related: Cepheids
related: GalacticHalo
related: GlobularStarClusters
related: HorizontalBranchStars
related: OosterhoffGroups
related: WVirginisStars

RrTelescopiiStars
type: Concept
pref label: ESTRELLAS RR TELESCOPII
pref label: ETOILES RR TELESCOPII @fr
pref label: RR TELESCOPII STARS @en
pref label: RR TELESKOPII-STERNE @de
pref label: STELLE RR TELESCOPII @it

RsCanumVenaticorumStars
type: Concept
broader: BinaryStars
broader: MultiperiodicVariableStars
broader: XRaySources
pref label: ESTRELLAS RS CANUM VENATICORUM
pref label: ETOILES RS CANUM VENATICORUM @fr
pref label: RS CANUM VENATICORUM STARS @en
pref label: RS CANUM VENATICORUM-STERNE @de
pref label: STELLE RS CANUM VENATICORUM @it
related: Starspots

RStars
type: Concept
broader: GiantStars
broader: LateTypeStars
pref label: ESTRELLAS R
pref label: ETOILE R @fr
pref label: R STARS @en
pref label: R-STERNE @de
pref label: STELLE R @it
related: CarbonStars
related: SpectralTypes

RunawayStars
type: Concept
pref label: ENTWEICHENDE STERNE @de
pref label: ESTRELLAS FUGITIVAS
pref label: ETOILE EN FUITE / ETOILE RUNAWAY @fr
pref label: RUNAWAY STARS @en
pref label: STELLE RUNAWAY @it
related: BinaryStars
related: HighVelocityStars
related: ObStars
related: Supernovas

RvTauriStars
type: Concept
broader: EmissionLineStars
broader: IrregularVariableStars
broader: LateTypeSupergiantStars
broader: LongPeriodVariableStars
broader: PulsatingVariableStars
broader: SemiregularVariableStars
pref label: ESTRELLAS RV TAURI
pref label: ETOILES RV TAURI @fr
pref label: RV TAURI STARS @en
pref label: RV TAURI-STERNE @de
pref label: STELLE RV TAURI @it
related: RadialPulsations
related: SVulpeculaeStars

RwAurigaeStars
type: Concept
broader: CataclysmicVariableStars
broader: EmissionLineStars
broader: IrregularVariableStars
broader: PremainsequenceStars
broader: UltravioletExcessStars
pref label: ESTRELLAS RW AURIGAE
pref label: ETOILES RW AURIGAE @fr
pref label: RW AURIGAE STARS @en
pref label: RW AURIGAE-STERNE @de
pref label: STELLE RW AURIGAE @it
related: HAlphaEmissionLineStars
related: TAssociations
related: TTauriStars

SahaEquation
type: Concept
pref label: ECUACION DE SAHA
pref label: EQUATION DE SAHA @fr
pref label: EQUAZIONE DI SAHA @it
pref label: SAHA EQUATION @en
pref label: SAHA-GLEICHUNG @de
related: Ions
related: ThermalEquilibrium

Sampling
type: Concept
pref label: CAMPIONAMENTO @it
pref label: ECHANTILLONNAGE @fr
pref label: MUESTREO
pref label: PROBENENTNAHME / SAMPLING @de
pref label: SAMPLING @en
scope note: Combine with other terms

SarosCycle
type: Concept
pref label: CICLO DE SAROS
pref label: CICLO DI SAROS @it
pref label: SAROS @fr
pref label: SAROS CYCLE @en
pref label: SAROS-ZYKLUS @de
related: LunarEclipse
related: MetonicCycle
related: PhaseMoon

SatelliteBorneInstruments
type: Concept
pref label: INSTRUMENT EMBARQUE SUR SATELLITE @fr
pref label: INSTRUMENTE IN SATELLITEN @de
pref label: INSTRUMENTOS TRANSPORTADOS EN SATELITE
pref label: SATELLITE BORNE INSTRUMENTS @en
pref label: STRUMENTI SU SATELLITE @it
related: AirplaneBorneInstruments
related: BalloonBorneInstruments
related: CosmicRayAstronomy
related: GammaRayAstronomy
related: GroundBasedAstronomy
related: InfraredAstronomy
related: MillimeterAstronomy
related: RocketBorneInstruments
related: SpaceProbeInstruments
related: SpaceTelescopes
related: UltravioletAstronomy
related: XRayAstronomy

SatelliteLaserRanging
type: Concept
broader: LaserRanging
pref label: ENTFERNUNGSMESSUNG VON SATELLITEN MITTELS LASER @de
pref label: SATELLITE LASER RANGING @en
pref label: TELEMETRIA LASER DA SATELLITE @it
pref label: TELEMETRIA LASER DE SATELITE
pref label: TELEMETRIE LASER D'UN SATELLITE @fr
related: ArtificialSatellites
related: Lasers
related: LunarLaserRanging
related: OpticalRadar

Satellites
type: Concept
narrower: GalileanSatellites
narrower: Moon
narrower: PlanetSatellites
pref label: SATELITES
pref label: SATELLITE @fr
pref label: SATELLITEN @de
pref label: SATELLITES @en
pref label: SATELLITI @it
related: Planetesimals
related: Planets
related: Protoplanets
related: Rilles
related: SolarSystem
related: SurfacesCelestialBodies
related: Topography
related: Volcanoes
scope note: Natural satellites.

ScaleHeight
type: Concept
pref label: ALTEZZA DI SCALA @it
pref label: ALTURA DE ESCALA ?
pref label: ECHELLE DE HAUTEUR @fr
pref label: SCALE HEIGHT @en
pref label: SKALENHOEHE / -LAENGE @de
related: Atmospheres
related: AtmosphericDensity
related: EarthAtmosphere
related: StellarAtmospheres

Scattering
type: Concept
narrower: AtmosphericExtinction
narrower: ComptonScattering
narrower: ElementaryParticleScattering
narrower: GammaRayScattering
narrower: LightScattering
narrower: MieScattering
pref label: DIFFUSION @fr
pref label: DIFFUSIONE @it
pref label: DISPERSION / DIFUSION
pref label: SCATTERING @en
pref label: STREUUNG @de
related: RadiationScattering
related: Reflection
related: Refraction

SchmidtCameras
type: Concept
broader: Cameras
broader: PhotographicInstruments
pref label: CAMARAS SCHMIDT
pref label: CAMERE SCHMIDT @it
pref label: CHAMBRE DE SCHMIDT @fr
pref label: SCHMIDT CAMERAS @en
pref label: SCHMIDT-KAMERAS @de
related: CorrectorPlates
related: SchmidtTelescopes

SchmidtTelescopes
type: Concept
broader: CatadioptricSystems
broader: PhotographicInstruments
broader: ReflectingTelescopes
pref label: SCHMIDT TELESCOPES @en
pref label: SCHMIDT-TELESKOPE @de
pref label: TELESCOPE DE SCHMIDT @fr
pref label: TELESCOPI SCHMIDT @it
pref label: TELESCOPIOS SCHMIDT
related: BakerNunnCameras
related: CorrectorPlates
related: MaksutovTelescopes
related: ObjectivePrisms
related: SchmidtCameras
related: WideFieldTelescopes

SchwarzschildMetric
type: Concept
pref label: METRICA DE SCHWARZSCHILD
pref label: METRICA DI SCHWARZSCHILD @it
pref label: METRIQUE DE SCHWARZSCHILD @fr
pref label: SCHWARZSCHILD METRIC @en
pref label: SCHWARZSCHILD-METRIK @de
related: GeneralTheoryOfRelativity
related: GravitationalFields
related: Ionization
related: Orbits
related: SpacetimeSingularity

SchwarzschildRadius
type: Concept
pref label: RADIO DE SCHWARZSCHILD
pref label: RAGGIO DI SCHWARZSCHILD @it
pref label: RAYON DE SCHWARZSCHILD @fr
pref label: SCHWARZSCHILD RADIUS @en
pref label: SCHWARZSCHILD-RADIUS @de
related: BlackHoles
related: GeneralTheoryOfRelativity
scope note: Limiting radius of black hole

Scintillation
type: Concept
narrower: AtmosphericScintillation
narrower: InterplanetaryScintillation
narrower: InterstellarScintillation
narrower: IonosphericScintillation
narrower: PhosphorescentScintillation
pref label: CENTELLEO ATMOSFERICO
pref label: SCINTILLATION @fr
pref label: SCINTILLAZIONE @it
pref label: SZINTILLATION @de
related: Atmospheres
related: AtmosphericRefraction
related: Earth
related: EarthAtmosphere
related: Speckles
related: TurbulenceEarthAtmosphere

ScintillationCounters
type: Concept
broader: Counters
narrower: CerenkovCounters
pref label: CONTADORES DE CENTELLEO
pref label: CONTATORI A SCINTILLAZIONE @it
pref label: SCINTILLATION COUNTERS @en
pref label: SCINTILLEUR / COMPTEUR A SCINTILLATIONS @fr
pref label: SZINTILLATIONSZAEHLER @de
related: ImageTubes
related: Phosphorescence
related: PhosphorescentScintillation
related: PhotomultiplierTubes

SDoradusStars
type: Concept
alt label: P Cygni-Sterne @de
alt label: estrellas p cygni
alt label: etoiles p cygni @fr
alt label: p cygni stars @en
alt label: stelle p cygni @it
broader: EarlyTypeVariableStars
broader: EmissionLineStars
broader: ShellStars
pref label: ESTRELLAS S DORADUS
pref label: ETOILES S DORADUS @fr
pref label: S DORADUS STARS @en
pref label: S DORADUS-STERNE @de
pref label: STELLE S DORADUS @it
related: PCygniLineProfiles

SeasonalPhenomena
type: Concept
pref label: FENOMENI STAGIONALI @it
pref label: FENOMENOS ESTACIONALES
pref label: JAHRESZEITLICHE PHAENOMENE @de
pref label: PHENOMENE SAISONNIER @fr
pref label: SEASONAL PHENOMENA @en
scope note: Combine with other terms

Seasons
type: Concept
pref label: ESTACIONES
pref label: JAHRESZEITEN @de
pref label: SAISON @fr
pref label: SEASONS @en
pref label: STAGIONI @it
scope note: Combine with other terms

SecondaryCosmicRays
type: Concept
pref label: RAGGI COSMICI SECONDARI @it
pref label: RAYONS COSMIQUES SECONDAIRES @fr
pref label: RAYOS COSMICOS SECUNDARIOS
pref label: SECONDARY COSMIC RAYS @en
pref label: SEKUNDAERE KOSMISCHE STRAHLEN @de
related: CosmicRayShowers
related: CosmicRays

SecondaryMirrors
type: Concept
broader: TelescopeMirrors
pref label: ESPEJOS SECUNDARIOS
pref label: MIROIR SECONDAIRE @fr
pref label: SECONDARY MIRRORS @en
pref label: SEKUNAERSPIEGEL / FANGSPEIGEL @de
pref label: SPECCHI SECONDARI @it
related: CassegrainAntennas
related: CassegrainFocus
related: OpticalTelescopes
related: PrimaryMirrors
related: ReflectingTelescopes
related: Subreflectors

SecularParallax
type: Concept
broader: Parallaxes
pref label: PARALAJE SECULAR
pref label: PARALLASSE SECOLARE @it
pref label: PARALLAXE SECULAIRE @fr
pref label: SAEKULARE PARALLAXE @de
pref label: SECULAR PARALLAX @en
related: MovingClusterParallax
related: ProperMotions
related: StarAssociations

Seeing
type: Concept
narrower: DomeSeeing
pref label: SEEING @it
pref label: SEEING / CALIDAD DE LA IMAGEN
pref label: SEEING / QUALITE D'IMAGE @fr
related: ActiveOptics
related: AdaptiveOptics
related: AtmosphericRefraction
related: AtmosphericScintillation
related: EarthAtmosphere
related: PointSpreadFunction
related: SeeingMonitors
related: SiteTesting
related: SpeckleInterferometry
related: Speckles
related: TipTiltMirrors
related: TurbulenceEarthAtmosphere

SeeingMonitors
type: Concept
broader: OpticalInstruments
pref label: DISPOSITIVI DI CONTROLLO DEL SEEING @it
pref label: MONITEUR DE QUALITE D'IMAGE @fr
pref label: MONITORES DE SEEING ?
pref label: SEEING MONITORS @en
pref label: SEEING MONITORS ? @de
related: OpticalObservatories
related: Seeing
related: SiteTesting

SegmentedOptics
type: Concept
pref label: OPTICA SEGMENTADA
pref label: OPTIQUE SEGMENTEE @fr
pref label: OTTICA A SEGMENTI @it
pref label: SEGMENTED OPTICS @en
pref label: SEGMENTIERTE OPTIK @de
related: AdaptiveOptics
related: MultipleMirrorTelescopes
related: TipTiltMirrors
related: VeryLargeTelescopes

Seismology
type: Concept
narrower: Asteroseismology
narrower: Helioseismology
pref label: ERDBEBENKUNDE / SEISMOLOGIE @de
pref label: SEISMOLOGY @en
pref label: SISMOLOGIA
pref label: SISMOLOGIE @fr
related: Earth
related: StellarOscillations
related: Vibration

SelectionEffects
type: Concept
broader: Errors
pref label: AUSWAHLEFFEKTE @de
pref label: EFECTOS DE SELECCION
pref label: EFFET DE SELECTION @fr
pref label: EFFETTI DI SELEZIONE @it
pref label: SELECTION EFFECTS @en
related: Corrections
related: Statistics
scope note: Combine with other terms

SelectiveAbsorption
type: Concept
pref label: ABSORCION SELECTIVA
pref label: ABSORPTION SELECTIVE @fr
pref label: ASSORBIMENTO SELETTIVO @it
pref label: SELECTIVE ABSORPTION @en
pref label: SELEKTIVE ABSORPTION @de
related: GasToDustRatio
related: InterstellarMatter
related: InterstellarReddening
related: Reddening
related: ReddeningLaw

Selenology
type: Concept
pref label: SELENOLOGIA
pref label: SELENOLOGIE @de
pref label: SELENOLOGY @en
related: Moon

SelfAbsorption
type: Concept
pref label: AUTOABSORCION
pref label: AUTOABSORPTION @fr
pref label: AUTOASSORBIMENTO @it
pref label: SELBSTABSORPTION @de
pref label: SELF ABSORPTION @en
related: Spectra

SelfCalibrationMethods
type: Concept
broader: Calibration
pref label: METHODE D'AUTOETALONNAGE @fr
pref label: METODI DI AUTOCALIBRAZIONE @it
pref label: METODOS DE AUTOCALIBRACION
pref label: SELBSTEICHUNGSMETHODEN @de
pref label: SELF CALIBRATION METHODS @en

SemibariumStars
type: Concept
broader: BariumStars
pref label: ESTRELLAS DE SEMIBARIO
pref label: ETOILE PARTIELLEMENT A BARIUM @fr
pref label: SEMIBARIUM STARS @en
pref label: SEMIBARIUM STERNE @de
pref label: STELLE AL SEMIBARIO @it

SemiconductorDevices
type: Concept
narrower: ChargeCoupledDevices
narrower: ChargeInjectionDevices
narrower: ChargeTransferDevices
narrower: PhotovoltaicCells
pref label: DISPOSITIF A SEMICONDUCTEUR @fr
pref label: DISPOSITIVI A SEMICONDUTTORE @it
pref label: DISPOSITIVOS/ APARATOS CON SEMICONDUCTORES
pref label: HALBLEITERELEMENTE @de
pref label: SEMICONDUCTOR DEVICES @en
related: Detectors
related: GunnDiodes

SemidetachedBinaryStars
type: Concept
broader: BinaryStars
broader: CloseBinaryStars
pref label: BINAIRE SEMI DETACHEE @fr
pref label: ESTRELLAS BINARIAS SEMIDESPRENDIDAS
pref label: HALBGETRENNTE DOPPELSTERNE @de
pref label: SEMIDETACHED BINARY STARS @en
pref label: STELLE BINARIE SEMISTACCATE @it
related: DetachedBinaryStars

SemimajorAxis
type: Concept
broader: OrbitalElements
pref label: ASSE SEMIMAGGIORE @it
pref label: DEMI GRAND AXE @fr
pref label: GROSSE HALBACHSE @de
pref label: SEMIEJE MAYOR
pref label: SEMIMAJOR AXIS @en
related: BinaryStars
related: Planets

SemiregularVariableStars
type: Concept
broader: LateTypeGiantStars
broader: PulsatingVariableStars
broader: VariableStars
narrower: RvTauriStars
narrower: SVulpeculaeStars
pref label: ESTRELLAS VARIABLES SEMIREGULARES
pref label: ETOILE VARIABLE SEMIREGULIERE @fr
pref label: HALBREGULAERE VERAENDERLICHE @de
pref label: SEMIREGULAR VARIABLE STARS @en
pref label: STELLE VARIABILI SEMIREGOLARI @it
related: IrregularVariableStars
related: MiraVariableStars
related: SupergiantStars

Sensitivity
type: Concept
pref label: EMPFINDLICHKEIT @de
pref label: SENSIBILIDAD
pref label: SENSIBILITA @it
pref label: SENSIBILITE @fr
pref label: SENSITIVITY @en
related: Detectors
related: IntegrationTime
related: LimitingMagnitudes
related: PolarDiagram
related: Precision
related: Resolution
related: SignalDetection
related: SignalToNoiseRatio

Sensitometers
type: Concept
broader: MeasuringInstruments
pref label: SENSITOMETER @de
pref label: SENSITOMETERS @en
pref label: SENSITOMETRE @fr
pref label: SENSITOMETRI @it
pref label: SENSITOMETROS

Separation
type: Concept
pref label: SEPARACION
pref label: SEPARATION @fr
pref label: SEPARAZIONE @it
pref label: TRENNUNG @de
related: BinaryStars
related: OccultingDisk
related: VisualBinaryStars
scope note: Combine with other terms

Sextants
type: Concept
broader: AstrometricInstruments
broader: Instrumentation
pref label: SESTANTI @it
pref label: SEXTANT @fr
pref label: SEXTANTEN @de
pref label: SEXTANTES
pref label: SEXTANTS @en
related: AltitudeAngle

SeyfertGalaxies
type: Concept
broader: PeculiarGalaxies
pref label: GALASSIE DI SEYFERT @it
pref label: GALAXIAS SEYFERT
pref label: GALAXIE DE SEYFERT @fr
pref label: SEYFERT GALAXIES @en
pref label: SEYFERT-GALAXIEN @de
related: BlLacertaeObjects
related: CompactNuclei
related: EmissionLineGalaxies
related: MarkarianGalaxies
related: MassiveObjects
related: SeyfertNuclei
related: XRaySources

SeyfertNuclei
type: Concept
broader: ActiveGalacticNuclei
broader: CompactNuclei
broader: EmissionLineGalaxies
pref label: NOYAU DE GALAXIE DE SEYFERT @fr
pref label: NUCLEI DI SEYFERT @it
pref label: NUCLEOS SEYFERT
pref label: SEYFERT NUCLEI @en
pref label: SEYFERT-KERNE @de
related: SeyfertGalaxies

ShadowBands
type: Concept
pref label: BANDAS DE SOMBRA
pref label: BANDE D'OMBRE @fr
pref label: OMBRE VOLANTI @it
pref label: SHADOW BANDS @en
pref label: SHADOW BANDS ? @de
related: Diffraction
related: InterferenceWaves
related: SolarEclipse

ShapedReflectors
type: Concept
pref label: GEFORMTE REFLEKTOREN @de
pref label: REFLECTEUR TAILLE @fr
pref label: REFLECTORES PERFILADOS
pref label: RIFLETTORI SAGOMATI @it
pref label: SHAPED REFLECTORS @en
related: RadioTelescopes

ShellBurning
type: Concept
pref label: COMBUSTION DE LA CASCARA
pref label: COMBUSTIONE DEL GUSCIO @it
pref label: FUSION EN COUCHE @fr
pref label: SCHALENBRENNEN @de
pref label: SHELL BURNING @en
related: CarbonBurning
related: HeliumBurning
related: HydrogenBurning
related: NuclearFusion
scope note: Nuclear fusion in shell

Shells
type: Concept
narrower: CircumstellarShells
narrower: ConvectiveShells
narrower: DustShells
pref label: ENVELOPPE @fr
pref label: ENVOLTURAS/CASCARAS
pref label: GUSCI @it
pref label: HUELLEN @de
pref label: SHELLS @en
related: ShellStars

ShellStars
type: Concept
broader: EmissionLineStars
narrower: GammaCassiopeiaeStars
narrower: SDoradusStars
narrower: ZAndromedaeStars
pref label: ESTRELLAS CON ENVOLTURAS
pref label: ETOILE A ENVELOPPE @fr
pref label: HUELLENSTERNE @de
pref label: SHELL STARS @en
pref label: STELLE CON INVILUPPO ESTESO @it
related: CircumstellarShells
related: PCygniLineProfiles
related: Shells

ShepherdSatellites
type: Concept
pref label: SATELITES PASTORES ?
pref label: SATELLITE BERGER @fr
pref label: SATELLITI PASTORI @it
pref label: SCHAEFERHUND-SATELLITEN @de
pref label: SHEPHERD SATELLITES @en
related: PlanetaryRings
related: ResonanceGaps

Shocks
type: Concept
pref label: CHOC @fr
pref label: CHOQUES
pref label: SCHOCKS @de
pref label: SHOCKS @en
pref label: URTI @it
related: CollisionalPlasmas
related: Ionization
related: StellarWinds
related: Supernovas
scope note: Combine with other terms

ShockWaves
type: Concept
narrower: BowShocks
narrower: IonizingShockWaves
pref label: ONDAS DE CHOQUE
pref label: ONDE D'URTO @it
pref label: ONDE DE CHOC @fr
pref label: SHOCK WAVES @en
pref label: STOSSWELLEN @de
related: JumpConditions
related: RankineHugoniotRelations
related: SpeedOfSound
related: SupernovaEnvelopes
related: VelocityField
related: WavePropagation

ShortPeriodVariableStars
type: Concept
narrower: BetaCepheiStars
narrower: DeltaScutiStars
pref label: ESTRELLAS VARIABLES DE CORTO PERIODO
pref label: ETOILE VARIABLE A COURTE PERIODE @fr
pref label: KURZPERIODISCHE VERAENDERLICHE @de
pref label: SHORT PERIOD VARIABLE STARS @en
pref label: STELLE VARIABILI A CORTO PERIODO @it

ShotNoise
type: Concept
broader: Noise
pref label: BRUIT DE GRENAILLE @fr
pref label: RUIDO DE DESCARGA / RUIDO GRANULAR
pref label: RUMORE GRANULARE @it
pref label: SCHROTRAUSCHEN @de
pref label: SHOT NOISE @en
related: Detectors
related: ElectronicEquipment

Sidelobes
type: Concept
alt label: Keulen @de
alt label: lobe [d'un telescope] @fr
alt label: lobes [telescope beams] @en
alt label: lobi [telescopi] @it
alt label: lobulos [haz del telescopio]
pref label: LOBE SECONDAIRE @fr
pref label: LOBI LATERALI @it
pref label: LOBULOS LATERALES
pref label: NEBENKEULEN @de
pref label: SIDELOBES @en
related: PolarDiagram
related: RadioAntennas
related: Resolution

SiderealTime
type: Concept
broader: Time
pref label: SIDEREAL TIME @en
pref label: STERNZEIT @de
pref label: TEMPO SIDERALE @it
pref label: TEMPS SIDERAL @fr
pref label: TIEMPO SIDEREAL
related: Earth
related: EquationOfTheEquinoxes
related: HourAngle
related: TransitTime
related: Year

Siderostats
type: Concept
pref label: SIDEROSTAT @fr
pref label: SIDEROSTATEN @de
pref label: SIDEROSTATI @it
pref label: SIDEROSTATOS
pref label: SIDEROSTATS @en
related: AltazimuthMounting
related: Coelostats
related: Drives
related: Heliostats
related: TelescopeMountings

SignalAnalysis
type: Concept
broader: Analyses
pref label: ANALISI DI SEGNALE @it
pref label: ANALISIS DE SENALES
pref label: ANALYSE DU SIGNAL @fr
pref label: SIGNAL ANALYSIS @en
pref label: SIGNALANALYSE @de
related: SignalDetection
related: SignalProcessing

SignalDetection
type: Concept
broader: Detection
pref label: DETECCION DE SENALES
pref label: DETECTION DU SIGNAL @fr
pref label: RIVELAZIONE DI SEGNALI @it
pref label: SIGNAL DETECTION @en
pref label: SIGNALNACHWEIS @de
related: Detectors
related: LimitingMagnitudes
related: Sensitivity
related: SignalAnalysis
related: SignalProcessing

SignalProcessing
type: Concept
broader: Analyses
pref label: ELABORAZIONE DI SEGNALE @it
pref label: PROCESAMIENTO DE SENALES
pref label: SIGNAL PROCESSING @en
pref label: SIGNALBEARBEITUNG @de
pref label: TRAITEMENT DU SIGNAL @fr
related: SignalAnalysis
related: SignalDetection

SignalToNoiseRatio
type: Concept
pref label: COCIENTE SENAL RUIDO
pref label: RAPPORT SIGNAL SUR BRUIT @fr
pref label: RAPPORTO SEGNALE RUMORE @it
pref label: SIGNAL TO NOISE RATIO @en
pref label: SIGNAL-RAUSCH-VERHAELTNIS @de
related: BackgroundNoise
related: IntegrationTime
related: LimitingMagnitudes
related: Noise
related: Sensitivity
related: SkyNoise

SiliconBurning
type: Concept
broader: NuclearFusion
broader: Nucleosynthesis
pref label: COMBUSTION DE SILICIO
pref label: COMBUSTIONE DEL SILICIO @it
pref label: FUSION DU SILICIUM @fr
pref label: SILICON BURNING @en
pref label: SILIZIUMBRENNEN @de
related: CarbonBurning
related: HeliumBurning
related: HydrogenBurning

SiliconStars
type: Concept
broader: ApStars
broader: MetalRichStars
pref label: ESTRELLAS DE SILICIO
pref label: ETOILE A SILICIUM @fr
pref label: SILICON STARS @en
pref label: SILIZIUMSTERNE @de
pref label: STELLE AL SILICIO @it

SilverCoatings
type: Concept
broader: Coatings
broader: ThinFilms
pref label: "SILBERSCHICHTEN,-BELAEGE" @de
pref label: ARGENTURE @fr
pref label: REVESTIMIENTOS DE PLATA
pref label: RIVESTIMENTI IN ARGENTO @it
pref label: SILVER COATINGS @en
related: AluminumCoatings
related: SurfacesOptical

Simulation
type: Concept
narrower: ComputerSimulations
pref label: SIMULACION
pref label: SIMULATION @de
pref label: SIMULAZIONE @it
related: Models

Singularity
type: Concept
narrower: NakedSingularity
narrower: SpacetimeSingularity
pref label: SINGOLARITA @it
pref label: SINGULARIDAD
pref label: SINGULARITAET @de
pref label: SINGULARITE @fr
pref label: SINGULARITY @en

SiOMasers
type: Concept
broader: Masers
pref label: MASER SiO @it
pref label: MASERS SiO
pref label: SiO MASER @de
pref label: SiO MASERS @en
related: InterstellarMatter
related: OhMasers
related: RadioSources
related: WaterMasers

SiteProtection
type: Concept
pref label: PROTECCION DEL SITIO
pref label: PROTECTION DES SITES @fr
pref label: PROTEZIONE DEI SITI @it
pref label: SITE PROTECTION @en
pref label: STANDORTSCHUTZ @de
related: AirPollution
related: LightPollution
related: Observatories

SiteTesting
type: Concept
pref label: ESAME DEI SITI @it
pref label: ESTUDIO DEL SITIO
pref label: EVALUATION ASTRONOMIQUES DES SITES @fr
pref label: SITE TESTING @en
pref label: STANDORTPRUEFUNG / TESTEN @de
related: Observatories
related: Pollution
related: Seeing
related: SeeingMonitors
related: SkyBrightness

Sky
type: Concept
pref label: CIEL @fr
pref label: CIELO
pref label: HIMMEL @de
pref label: SKY @en
scope note: Combine with other terms

SkyBrightness
type: Concept
narrower: NightSkyBrightness
pref label: BRILLANCE DU CIEL @fr
pref label: BRILLO DEL CIELO
pref label: HIMMELSHELLIGKEIT @de
pref label: LUMINOSITA DEL CIELO @it
pref label: SKY BRIGHTNESS @en
related: Airglow
related: AtmosphericRadiation
related: Auroras
related: BackgroundRadiation
related: MilkyWayGalaxy
related: SiteTesting
related: Sunlight
related: Twilight
related: ZodiacalLight

SkyNoise
type: Concept
broader: Noise
pref label: BRUIT DE FOND DU CIEL @fr
pref label: HIMMELSRAUCHEN @de
pref label: RUIDO DEL CIELO
pref label: RUMORE COSMICO @it
pref label: SKY NOISE @en
related: BackgroundNoise
related: SignalToNoiseRatio

SkySurveys
type: Concept
broader: Surveys
pref label: HIMMELSDURCHMUSTERUNGEN @de
pref label: RELEVAMIENTOS DEL CIELO
pref label: RELEVE DU CIEL @fr
pref label: SKY SURVEY @it
pref label: SKY SURVEYS @en
related: Atlases
related: Catalogs
related: FindingCharts
related: Maps

SlowNovas
type: Concept
broader: Novas
narrower: DqHerculisStars
narrower: Novoids
pref label: LANGSAME NOVAE @de
pref label: NOVA LENTE @fr
pref label: NOVAE LENTE @it
pref label: NOVAS LENTAS
pref label: SLOW NOVAS @en
related: FastNovas
related: RecurrentNovas

SmallMagellanicCloud
type: Concept
broader: MagellanicClouds
pref label: KLEINE MAGELLANSCHE WOLKE @de
pref label: NUBE PEQUENA DE MAGALLANES
pref label: PETIT NUAGE DE MAGELLAN @fr
pref label: PICCOLA NUBE DI MAGELLANO @it
pref label: SMALL MAGELLANIC CLOUD @en
related: LargeMagellanicCloud

Solar
type: Concept
pref label: .... SOLAR
pref label: SOLAIRE @fr
pref label: SOLAR @en
pref label: SOLARE @it
pref label: SONNEN ... @de
scope note: See under SUN

SolarActivity
type: Concept
narrower: SolarStorms
pref label: ACTIVIDAD SOLAR
pref label: ACTIVITE SOLAIRE @fr
pref label: ATTIVITA SOLARE @it
pref label: SOLAR ACTIVITY @en
pref label: SONNENAKTIVITAET @de
related: ActiveSun
related: ActivityIndexes
related: Auroras
related: ButterflyDiagram
related: CoronalLoops
related: EphemeralActiveRegions
related: Flares
related: Heliosphere
related: MagneticStorms
related: MaunderMinimum
related: Prominences
related: SolarAtmosphere
related: SolarCycle
related: SolarWind
related: SunspotCycle
related: SunspotGroups
related: SunspotNumbers
related: Sunspots

SolarAtmosphere
type: Concept
broader: StellarAtmospheres
pref label: ATMOSFERA SOLAR
pref label: ATMOSFERA SOLARE @it
pref label: ATMOSPHERE SOLAIRE @fr
pref label: SOLAR ATMOSPHERE @en
pref label: SONNENATMOSPHAERE @de
related: Chromosphere
related: Heliopause
related: Heliosphere
related: LimbDarkening
related: LineFormation
related: SolarActivity
related: SolarCorona
related: SolarPhysics
related: SolarStorms
related: SolarSurface
related: SolarTerrestrialRelations
related: SolarWind

SolarConstant
type: Concept
pref label: CONSTANTE SOLAIRE @fr
pref label: CONSTANTE SOLAR
pref label: COSTANTE SOLARE @it
pref label: SOLAR CONSTANT @en
pref label: SOLARKONSTANTE @de
related: Radiation
related: SolarPhysics
related: Sun
related: Sunlight

SolarCorona
type: Concept
broader: Coronas
narrower: MRegions
pref label: CORONA SOLAR
pref label: CORONA SOLARE @it
pref label: COURONNE SOLAIRE @fr
pref label: SOLAR CORONA @en
pref label: SONNENKORONA @de
related: Coronagraphs
related: CoronalHoles
related: CoronalLines
related: CoronalLoops
related: CoronalMassEjections
related: CoronalPlumes
related: CoronalTransients
related: KCorona
related: SolarAtmosphere
related: Sun
related: TransitionRegion

SolarCycle
type: Concept
pref label: CICLO SOLAR
pref label: CICLO SOLARE @it
pref label: CYCLE SOLAIRE @fr
pref label: SOLAR CYCLE @en
pref label: SONNENZYKLUS @de
related: ActiveSun
related: ButterflyDiagram
related: QuietSun
related: SolarActivity
related: SolarPhysics
related: SunspotCycle
related: SunspotNumbers

SolarDay
type: Concept
pref label: DIA SOLAR
pref label: GIORNO SOLARE @it
pref label: JOUR SOLAIRE @fr
pref label: SOLAR DAY @en
pref label: SONNENTAG @de
related: EphemerisTime
related: UniversalTime

SolarEclipse
type: Concept
broader: Eclipses
pref label: ECLIPSA SOLAR
pref label: ECLIPSE DE SOLEIL @fr
pref label: ECLISSE DI SOLE @it
pref label: SOLAR ECLIPSE @en
pref label: SONNENFINSTERNIS @de
related: BailysBeads
related: DiamondRingEffect
related: FlashSpectrum
related: Moon
related: Penumbra
related: ShadowBands
related: Sun
related: Umbra
related: ZoneOfTotality

SolarInterior
type: Concept
broader: StellarInteriors
pref label: INNERES DER SONNE @de
pref label: INTERIOR SOLAR
pref label: INTERNO DEL SOLE @it
pref label: SOLAR INTERIOR @en
pref label: STRUCTURE INTERNE DU SOLEIL @fr
related: SolarNeutrinoProblem
related: SolarPhysics
related: StellarEvolution
related: StellarStructure

SolarMotion
type: Concept
broader: Motion
pref label: MOTO SOLARE @it
pref label: MOUVEMENT DU SOLEIL @fr
pref label: MOVIMIENTO SOLAR
pref label: SOLAR MOTION @en
pref label: SONNENBEWEGUNG @de
related: Antapex
related: Apex
scope note: With respect to nearby stars.

SolarNebula
type: Concept
pref label: NEBULEUSE SOLAIRE @fr
pref label: NEBULOSA SOLAR
pref label: NEBULOSA SOLARE @it
pref label: SOLAR NEBULA @en
pref label: SONNENNEBEL @de
related: Planets
related: ProtoplanetaryNebulas
related: Protoplanets
related: SolarSystem

SolarNeutrinoProblem
type: Concept
pref label: PROBLEM DER SOLAREN NEUTRINOS @de
pref label: PROBLEMA DE LOS NEUTRINOS SOLARES
pref label: PROBLEMA DEI NEUTRINI SOLARI @it
pref label: PROBLEME DES NEUTRINOS SOLAIRES @fr
pref label: SOLAR NEUTRINO PROBLEM @en
related: Neutrinos
related: NuclearReactions
related: SolarInterior

SolarObservatories
type: Concept
pref label: OBSERVATOIRE SOLAIRE @fr
pref label: OBSERVATORIOS SOLARES
pref label: OSSERVATORI SOLARI @it
pref label: SOLAR OBSERVATORIES @en
pref label: SONNENOBSERVATORIEN @de
related: Coronagraphs
related: SolarOpticalTelescopes
related: SolarRadioTelescopes
related: SolarTelescopes

SolarOpticalTelescopes
type: Concept
broader: SolarTelescopes
pref label: OPTISCHE SONNENTELESKOPE @de
pref label: SOLAR OPTICAL TELESCOPES @en
pref label: TELESCOPE SOLAIRE OPTIQUE @fr
pref label: TELESCOPI OTTICI SOLARI @it
pref label: TELESCOPIOS OPTICOS SOLARES
related: SolarObservatories
related: SolarRadioTelescopes

SolarOscillations
type: Concept
alt label: Fuenfminutenschwingungen @de
alt label: five minute oscillations @en
alt label: oscilaciones de cinco minutos
alt label: oscillation de periode cinq minutes @fr
alt label: oscillazioni di cinque minuti @it
broader: StellarOscillations
pref label: OSCILACIONES SOLARES
pref label: OSCILLATION SOLAIRE @fr
pref label: OSCILLAZIONI SOLARI @it
pref label: SOLAR OSCILLATIONS @en
pref label: SONNENSCHWINGUNGEN @de
related: Asteroseismology
related: Helioseismology

SolarParallax
type: Concept
pref label: PARALAJE SOLAR
pref label: PARALLASSE SOLARE @it
pref label: PARALLAXE SOLAIRE @fr
pref label: SOLAR PARALLAX @en
pref label: SONNENPARALLAXE @de
related: AstronomicalUnit
related: EarthOrbit

SolarPhysics
type: Concept
pref label: FISICA SOLAR
pref label: FISICA SOLARE @it
pref label: PHYSIQUE SOLAIRE @fr
pref label: SOLAR PHYSICS @en
pref label: SONNENPHYSIK @de
related: ForbushEffect
related: SolarAtmosphere
related: SolarConstant
related: SolarCycle
related: SolarInterior
related: SolarTelescopes
related: SolarTerrestrialRelations
related: Sun

SolarPlanetaryRelations
type: Concept
narrower: SolarTerrestrialRelations
pref label: RELACIONES SOL PLANETAS
pref label: RELATION SOLEIL PLANETES @fr
pref label: RELAZIONI SOLE PIANETI @it
pref label: SOLAR PLANETARY RELATIONS @en
pref label: SONNE-PLANETEN-BEZIEHUNGEN @de
related: Planets
related: SolarSystem
related: Sun

SolarRadioTelescopes
type: Concept
broader: SolarTelescopes
pref label: RADIOTELESCOPI SOLARI @it
pref label: RADIOTELESCOPIOS SOLARES
pref label: SOLAR RADIO TELESCOPES @en
pref label: SONNEN-RADIOTELESKOPE @de
pref label: TELESCOPE SOLAIRE RADIO @fr
related: SolarObservatories
related: SolarOpticalTelescopes

SolarStorms
type: Concept
broader: SolarActivity
pref label: SOLAR STORMS @en
pref label: SONNENSTUERME @de
pref label: TEMPESTE SOLARI @it
pref label: TEMPETE SOLAIRE @fr
pref label: TORMENTAS SOLARES
related: SolarAtmosphere

SolarSurface
type: Concept
pref label: SOLAR SURFACE @en
pref label: SONNENOBERFLAECHE @de
pref label: SUPERFICIE SOLAR
pref label: SUPERFICIE SOLARE @it
pref label: SURFACE SOLAIRE @fr
related: Photosphere
related: SolarAtmosphere
related: Sun
related: Supergranulation

SolarSystem
type: Concept
broader: PlanetarySystems
pref label: SISTEMA SOLAR
pref label: SISTEMA SOLARE @it
pref label: SOLAR SYSTEM @en
pref label: SONNENSYSTEM @de
pref label: SYSTEME SOLAIRE @fr
related: AlignmentPlanets
related: BodesLaw
related: Comets
related: Earth
related: EarthMoonSystem
related: ExtrasolarPlanets
related: KreutzSungrazers
related: MinorPlanets
related: Origin
related: PlanetaryTheory
related: Planetesimals
related: Planets
related: PresolarNebula
related: Protoplanets
related: Satellites
related: SolarNebula
related: SolarPlanetaryRelations
related: Sun
related: SynodicPeriod
related: TransplutonianPlanets
scope note: Not a complete list of terms.

SolarTelescopes
type: Concept
alt label: Turmteleskope @de
alt label: telescope sur un tour @fr
alt label: torre solar
alt label: torre solare @it
alt label: tower telescope @en
broader: Telescopes
narrower: Radioheliographs
narrower: SolarOpticalTelescopes
narrower: SolarRadioTelescopes
pref label: SOLAR TELESCOPES @en
pref label: SONNENTELSKOPE @de
pref label: TELESCOPE SOLAIRE @fr
pref label: TELESCOPI SOLARI @it
pref label: TELESCOPIOS SOLARES
related: Heliostats
related: SolarObservatories
related: SolarPhysics

SolarTerrestrialRelations
type: Concept
broader: SolarPlanetaryRelations
pref label: RELACIONES SOL TIERRA
pref label: RELATION SOLEIL TERRE @fr
pref label: RELAZIONI SOLE TERRA @it
pref label: SOLAR TERRESTRIAL RELATIONS @en
pref label: SOLAR-TERRESTRISCHE BEZIEHUNGEN @de
related: Earth
related: SolarAtmosphere
related: SolarPhysics
related: Sun

SolarWind
type: Concept
broader: InterplanetaryMatter
broader: Plasmas
broader: StellarWinds
pref label: SOLAR WIND @en
pref label: SONNENWIND @de
pref label: VENT SOLAIRE @fr
pref label: VENTO SOLARE @it
pref label: VIENTO SOLAR
related: CoronalHoles
related: Heliopause
related: Heliosphere
related: InterplanetaryGas
related: InterstellarWinds
related: PoyntingRobertsonEffect
related: RadiationPressure
related: SolarActivity
related: SolarAtmosphere

Solstices
type: Concept
narrower: SummerSolstice
narrower: WinterSolstice
pref label: SOLSTICE @fr
pref label: SOLSTICES @en
pref label: SOLSTICIOS
pref label: SOLSTIZI @it
pref label: SONNENWENDEN @de
related: Ecliptic
related: Equinoxes
related: TropicOfCancer
related: TropicOfCapricorn

SouthCelestialPole
type: Concept
broader: CelestialPoles
pref label: POLE CELESTE SUD @fr
pref label: POLO SUD CELESTE @it
pref label: POLO SUR CELESTE
pref label: SOUTH CELESTIAL POLE @en
pref label: SUEDPOL DES HIMMELS @de
related: NorthCelestialPole

SouthernHemisphere
type: Concept
pref label: EMISFERO MERIDIONALE @it
pref label: HEMISFERIO SUR
pref label: HEMISPHERE SUD @fr
pref label: SOUTHERN HEMISPHERE @en
pref label: SUEDHALBKUGEL @de
related: NorthernHemisphere

SouthGalacticPole
type: Concept
broader: GalacticPoles
pref label: GALAKTISCHER SUEDPOL @de
pref label: POLE GALACTIQUE SUD @fr
pref label: POLO SUD GALATTICO @it
pref label: POLO SUR GALACTICO
pref label: SOUTH GALACTIC POLE @en
related: NorthGalacticPole

Space
type: Concept
pref label: ESPACE @fr
pref label: ESPACIO
pref label: SPACE @en
pref label: SPAZIO @it
pref label: WELTRAUM @de
related: GeneralTheoryOfRelativity
related: SpecialTheoryOfRelativity
related: Vacuum

SpaceAstrometry
type: Concept
broader: Astrometry
pref label: ASTROMETRIA ESPACIAL
pref label: ASTROMETRIA SPAZIALE @it
pref label: ASTROMETRIE SPATIALE @fr
pref label: SPACE ASTROMETRY @en
pref label: WELTRAUMASTROMETRIE @de
related: OrbitingObservatories
related: SpaceGeodesy
related: SpaceObservatories

SpaceAstronomy
type: Concept
narrower: GammaRayAstronomy
narrower: OrbitingObservatories
narrower: UltravioletAstronomy
narrower: XRayAstronomy
pref label: ASTRONOMIA ESPACIAL
pref label: ASTRONOMIA SPAZIALE @it
pref label: ASTRONOMIE SPATIALE @fr
pref label: SPACE ASTRONOMY @en
pref label: WELTRAUMASTRONOMIE @de
related: ArtificialSatellites
related: SpaceExploration
related: SpaceProbes

SpaceBiology
type: Concept
alt label: Kosmobiologie @de
alt label: cosmobiologia
alt label: cosmobiologie @fr
alt label: cosmobiology @en
broader: SpaceResearch
pref label: BIOLOGIA ESPACIAL
pref label: BIOLOGIA SPAZIALE @it
pref label: BIOLOGIE SPATIALE @fr
pref label: SPACE BIOLOGY @en
pref label: WELTRAUMBIOLOGIE @de
related: SpaceObservatories
related: SpaceVehicles

SpaceDebris
type: Concept
alt label: DESECHOS
alt label: UEberrest @de
alt label: debris @fr
alt label: detriti @it
broader: SpaceVehicles
pref label: DEBRIS SPATIAL @fr
pref label: DESECHOS ESPACIALES
pref label: DETRITI SPAZIALI @it
pref label: SPACE DEBRIS @en
pref label: WELTRAUMMUELL @de
related: SpaceLaw
related: SpacePollution

SpaceExploration
type: Concept
pref label: ESPLORAZIONE SPAZIALE @it
pref label: EXPLORACION ESPACIAL
pref label: EXPLORATION SPATIALE @fr
pref label: SPACE EXPLORATION @en
pref label: WELTRAUMFORSCHUNG @de
related: Discoveries
related: InterstellarCommunication
related: Planets
related: SpaceAstronomy
related: SpaceObservatories
related: SpaceProbes
related: SpaceResearch
related: SpaceTelescopes
related: SpaceVehicles

SpaceGeodesy
type: Concept
broader: Geodesy
narrower: OrbitingObservatories
pref label: GEODESIA ESPACIAL
pref label: GEODESIA SPAZIALE @it
pref label: GEODESIE SPATIALE @fr
pref label: SPACE GEODESY @en
pref label: WELTRAUMGEODAESIE @de
related: Earth
related: SpaceAstrometry
related: SpaceObservatories

SpaceLaw
type: Concept
pref label: DIRITTO SPAZIALE @it
pref label: LEY ESPACIAL
pref label: LOI SPATIALE @fr
pref label: SPACE LAW @en
pref label: WELTRAUMRECHT @de
related: SpaceDebris
related: SpaceResearch

SpaceMotion
type: Concept
broader: Motion
narrower: ProperMotions
narrower: RadialVelocity
pref label: MOTO NELLO SPAZIO @it
pref label: MOUVEMENT SPATIAL @fr
pref label: MOVIMIENTO ESPACIAL
pref label: RAUMBEWEGUNG @de
pref label: SPACE MOTION @en
related: GalacticRotation
related: StellarMotions
related: TransverseVelocity

SpaceObservatories
type: Concept
broader: Observatories
narrower: GammaRayObservatories
narrower: OrbitingObservatories
narrower: XRayObservatories
pref label: OBSERVATOIRE SPATIAL @fr
pref label: OBSERVATORIOS ESPACIALES
pref label: OSSERVATORI SPAZIALI @it
pref label: SPACE OBSERVATORIES @en
pref label: WELTRAUMOBSERVATORIEN @de
related: InfraredObservatories
related: SpaceAstrometry
related: SpaceBiology
related: SpaceExploration
related: SpaceGeodesy
related: SpaceProbes
related: SpaceResearch
related: SpaceTelescopes
related: UltravioletAstronomy
related: XRayAstronomy
scope note: Named observatories not included.

SpacePollution
type: Concept
broader: Pollution
pref label: CONTAMINACION ESPACIAL
pref label: INQUINAMENTO SPAZIALE @it
pref label: POLLUTION SPATIALE @fr
pref label: SPACE POLLUTION @en
pref label: WELTRAUMVERSCHMUTZUNG @de
related: SpaceDebris

SpaceProbeInstruments
type: Concept
narrower: SpaceTelescopes
pref label: INSTRUMENT POUR SONDE SPATIALE @fr
pref label: INSTRUMENTE AUF RAUMSONDEN @de
pref label: INSTRUMENTOS DE SONDAS ESPACIALES
pref label: SPACE PROBE INSTRUMENTS @en
pref label: STRUMENTI DI SONDAGGIO SPAZIALE @it
related: BalloonBorneInstruments
related: GroundBasedAstronomy
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceProbes

SpaceProbes
type: Concept
alt label: Sonden @de
alt label: probes @en
alt label: sondas
alt label: sonde @it
alt label: sonde spatiale @fr
pref label: RAUMSONDEN @de
pref label: SONDAS ESPACIALES
pref label: SONDE SPATIALE @fr
pref label: SONDE SPAZIALI @it
pref label: SPACE PROBES @en
related: SpaceAstronomy
related: SpaceExploration
related: SpaceObservatories
related: SpaceProbeInstruments
related: SpaceVehicles

SpaceResearch
type: Concept
alt label: Weltraumwissenschaft @de
alt label: ciencia espacial
alt label: science de l'espace @fr
alt label: scienza dello spazio @it
alt label: space science @en
broader: AstronomicalResearch
narrower: SpaceBiology
pref label: INVESTIGACION ESPACIAL
pref label: RECHERCHE SPATIALE @fr
pref label: RICERCA SPAZIALE @it
pref label: SPACE RESEARCH @en
pref label: WELTRAUMFORSCHUNG @de
related: SpaceExploration
related: SpaceLaw
related: SpaceObservatories

SpaceTelescopes
type: Concept
broader: SpaceProbeInstruments
broader: Telescopes
narrower: GammaRayTelescopes
narrower: UltravioletTelescopes
narrower: XRayTelescopes
pref label: SPACE TELESCOPES @en
pref label: TELESCOPE SPATIAL @fr
pref label: TELESCOPI SPAZIALI @it
pref label: TELESCOPIOS ESPACIALES
pref label: WELTRAUMTELESKOPE @de
related: ArtificialSatellites
related: BalloonBorneInstruments
related: GroundBasedAstronomy
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceExploration
related: SpaceObservatories
scope note: Named telescopes not included.

SpacetimeSingularity
type: Concept
broader: Singularity
pref label: RAUMZEIT SINGULARITAET @de
pref label: SINGOLARITA DELLO SPAZIO TEMPO @it
pref label: SINGULARIDAD DEL ESPACIO TIEMPO
pref label: SINGULARITE DE L'ESPACE TEMPS @fr
pref label: SPACETIME SINGULARITY @en
related: BlackHoles
related: NakedSingularity
related: QuantumCosmology
related: SchwarzschildMetric

SpaceVehicles
type: Concept
narrower: SpaceDebris
pref label: RAUM-FAHRZEUGE @de
pref label: SPACE VEHICLES @en
pref label: VEHICULE SPATIAL @fr
pref label: VEHICULOS ESPACIALES
pref label: VEICOLI SPAZIALI @it
related: ArtificialSatellites
related: SpaceBiology
related: SpaceExploration
related: SpaceProbes
scope note: Named vehicles not included.

SpecialTheoryOfRelativity
type: Concept
broader: GeneralTheoryOfRelativity
pref label: SPECIAL THEORY OF RELATIVITY @en
pref label: SPEZIELLE RELATIVITAETSTHEORIE @de
pref label: TEORIA ESPECIAL DE LA RELATIVIDAD
pref label: TEORIA SPECIALE DELLA RELATIVITA @it
pref label: THEORIE DE LA RELATIVITE RESTREINTE @fr
related: Space

SpeckleInterferometry
type: Concept
broader: Interferometry
pref label: INTERFEROMETRIA A CHIAZZE; UF INTERFEROMETRIA SPECKLE @it
pref label: INTERFEROMETRIA DE MOTEADO / MANCHAS
pref label: INTERFEROMETRIE DES TAVELURES @fr
pref label: SPECKLE INTERFEROMETRY @en
pref label: SPECKLE-INTERFEROMETRIE @de
related: AngularDiameters
related: AngularResolution
related: AngularSeparation
related: Seeing
related: Speckles

Speckles
type: Concept
pref label: MOTAS /PINTAS / MANCHAS
pref label: SPECKLE; UF GRANULOSITA @it
pref label: SPECKLES @de
pref label: TAVELURE @fr
related: AtmosphericRefraction
related: Scintillation
related: Seeing
related: SpeckleInterferometry

Spectra
type: Concept
alt label: Spektrum @de
alt label: espectro
alt label: spectre @fr
alt label: spectrum @en
alt label: spettro @it
narrower: AbsorptionSpectra
narrower: AtomicSpectra
narrower: BrillouinSpectra
narrower: ContinuousSpectra
narrower: EchelleSpectra
narrower: EmissionSpectra
narrower: HydrogenSpectrum
narrower: MicrowaveSpectra
narrower: MolecularSpectra
narrower: RadioSpectra
narrower: TwoDimensionalSpectra
narrower: VibrationalSpectra
narrower: VisibleSpectrum
pref label: ESPECTROS
pref label: SPECTRA @en
pref label: SPECTRE @fr
pref label: SPEKTREN @de
pref label: SPETTRI @it
related: AbsorptionLines
related: Bremsstrahlung
related: Continua
related: DiffractionGratings
related: EmissionLines
related: EnergyLevels
related: EquivalentWidths
related: Fluorescence
related: ForbiddenLines
related: ForbiddenTransitions
related: FreeBoundEmission
related: FreeFreeEmission
related: HertzsprungRussellDiagram
related: HyperfineLines
related: MkClassification
related: Prisms
related: RecombinationLines
related: ResonanceLines
related: SelfAbsorption
related: SpectroscopicAnalysis
related: Spectroscopy
related: StimulatedEmission
scope note: Not a complete list of terms.

SpectralBands
type: Concept
narrower: MolecularBands
pref label: BANDAS ESPECTRALES
pref label: BANDE SPECTRALE @fr
pref label: BANDE SPETTRALI @it
pref label: SPECTRAL BANDS @en
pref label: SPEKTRALBAENDER @de
related: MolecularLines
related: MolecularSpectra
related: TelluricLines

SpectralClassification
type: Concept
broader: Classification
narrower: HenryDraperSystem
narrower: MkClassification
pref label: CLASIFICACION ESPECTRAL
pref label: CLASSIFICATION SPECTRALE @fr
pref label: CLASSIFICAZIONE SPETTRALE @it
pref label: SPECTRAL CLASSIFICATION @en
pref label: SPEKTRALKLASSIFIKATION @de
related: HenryDraperCatalog
related: LuminosityClassification
related: SpectralTypes

SpectralIndices
type: Concept
pref label: INDICE SPECTRAL @fr
pref label: INDICES ESPECTRALES
pref label: INDICI SPETTRALI @it
pref label: SPECTRAL INDICES @en
pref label: SPEKTRALINDICES @de
related: RadioFrequencies
related: RadioSpectra

SpectralLines
type: Concept
alt label: Spektrallinien @de
alt label: lineas del espectro
alt label: raie spectrale @fr
alt label: righe dello spettro @it
alt label: spectrum lines @en
narrower: AbsorptionLines
narrower: CalciumLines
narrower: CarbonLines
narrower: EmissionLines
narrower: MetalLines
narrower: MolecularLines
narrower: TechnetiumLines
narrower: TelluricLines
narrower: UltravioletLines
pref label: LINEAS ESPECTRALES
pref label: RAIE SPECTRALE @fr
pref label: RIGHE SPETTRALI @it
pref label: SPECTRAL LINES @en
pref label: SPEKTRALLINIEN @de
related: EquivalentWidths
related: FineStructure
related: InstrumentalProfiles
related: LineBlanketing
related: LineBlending
related: LineBroadening
related: LineFormation
related: LineIdentifications
related: LineIntensitites
related: LineProfiles
related: LineRatios
related: NaturalLineBroadening
related: NaturalLineWidth
related: SpectralTypes
related: TransitionProbabilities
scope note: Not a complete list of terms.

SpectralResolution
type: Concept
broader: Resolution
pref label: RESOLUCION ESPECTRAL
pref label: RESOLUTION SPECTRALE @fr
pref label: RISOLUZIONE SPETTRALE @it
pref label: SPECTRAL RESOLUTION @en
pref label: SPEKTRALE AUFLOESUNG @de
related: LineBlending

SpectralTypes
type: Concept
pref label: SPECTRAL TYPES @en
pref label: SPEKTRALTYPEN @de
pref label: TIPI SPETTRALI @it
pref label: TIPOS ESPECTRALES
pref label: TYPE SPECTRAL @fr
related: AStars
related: BStars
related: FStars
related: GStars
related: KStars
related: LineWidths
related: LuminosityClass
related: LuminosityClassification
related: MStars
related: NStars
related: OStars
related: RStars
related: SStars
related: SpectralClassification
related: SpectralLines
related: StandardStars
related: Temperature
scope note: Not a complete list of terms.

Spectrographs
type: Concept
alt label: espectrometros opticos
alt label: optical spectrometers @en
alt label: optische Spektrometer @de
alt label: spectrometre optique @fr
alt label: spettrometri ottici @it
broader: OpticalInstruments
broader: TelescopeInstrumentation
narrower: CoudeSpectrographs
narrower: EchelleSpectrographs
narrower: GammaRaySpectrographs
narrower: GratingSpectrographs
narrower: PrismSpectrographs
narrower: RadioSpectrographs
narrower: UltravioletSpectrographs
narrower: XRaySpectrographs
pref label: ESPECTROGRAFOS
pref label: SPECTROGRAPHE @fr
pref label: SPECTROGRAPHS @en
pref label: SPEKTROGRAPHEN @de
pref label: SPETTROGRAFI @it
related: DiffractionGratings
related: EchelleGratings
related: Grisms
related: Prisms
related: Spectroheliographs

Spectrography
type: Concept
alt label: Spektrophotographie @de
alt label: espectrofotografia
alt label: spectrophotographie @fr
alt label: spectrophotography @en
alt label: spettrofotografia @it
pref label: ESPECTROGRAFIA
pref label: SPECTROGRAPHIE @fr
pref label: SPECTROGRAPHY @en
pref label: SPEKTROGRAPHIE @de
pref label: SPETTROGRAFIA @it
related: Photography
scope note: See SPECTROSCOPY.

Spectroheliographs
type: Concept
pref label: ESPECTROHELIOGRAFOS
pref label: SPECTROHELIOGRAPHE @fr
pref label: SPECTROHELIOGRAPHS @en
pref label: SPEKTROHELIOGRAPHEN @de
pref label: SPETTROELIOGRAFI @it
related: Coronagraphs
related: Photoheliographs
related: Spectrographs

Spectrometers
type: Concept
alt label: espectrometros opticos
alt label: optical spectrometers @en
alt label: optische Spektrometer @de
alt label: spectrometre optique @fr
alt label: spettrometri ottici @it
broader: Instrumentation
narrower: FabryPerotSpectrometers
narrower: FourierSpectrometers
narrower: MultichannelSpectrometers
narrower: RadioSpectrometers
narrower: XRaySpectrometers
pref label: ESPECTROMETROS
pref label: SPECTROMETERS @en
pref label: SPECTROMETRE @fr
pref label: SPEKTROMETER @de
pref label: SPETTROMETRI @it
related: Spectrometry
scope note: Also see under SPECTROGRAPHS

Spectrometry
type: Concept
broader: AstronomicalTechniques
broader: ObservingTechniques
pref label: ESPECTROMETRIA
pref label: SPECTROMETRIE @fr
pref label: SPECTROMETRY @en
pref label: SPEKTROMETRIE @de
pref label: SPETTROMETRIA @it
related: RadialVelocity
related: Spectrometers

Spectrophotometers
type: Concept
broader: Photometers
pref label: ESPECTROFOTOMETROS
pref label: SPECTROPHOTOMETERS @en
pref label: SPECTROPHOTOMETRE @fr
pref label: SPEKTROPHOTOMETER @de
pref label: SPETTROFOTOMETRI @it
related: Spectrophotometry
related: TelescopeInstrumentation

Spectrophotometry
type: Concept
broader: AstronomicalTechniques
broader: ObservingTechniques
pref label: ESPECTROFOTOMETRIA
pref label: SPECTROPHOTOMETRIE @fr
pref label: SPECTROPHOTOMETRY @en
pref label: SPEKTROPHOTOMETRIE @de
pref label: SPETTROFOTOMETRIA @it
related: Color
related: OpticalScanners
related: Photometry
related: Spectrophotometers
related: Spectroscopy
related: StandardCandles

SpectroscopicAnalysis
type: Concept
alt label: ANALISIS ESPECTRAL
alt label: Spektralanalyse @de
alt label: analisi spettrale @it
alt label: analyse spectrale @fr
alt label: spectral analysis @en
pref label: ANALISI SPETTROSCOPICA @it
pref label: ANALISIS ESPECTROSCOPICO
pref label: ANALYSE SPECTROSCOPIQUE @fr
pref label: SPECTROSCOPIC ANALYSIS @en
pref label: SPEKTROSKOPISCHE ANALYSE @de
related: AbsorptionLines
related: CollisionBroadening
related: ContinuousSpectra
related: DopplerEffect
related: EmissionLines
related: MaximumEntropyMethods
related: MilneEddingtonApproximation
related: Spectra
related: WaveMotion
related: WaveformAnalysis

SpectroscopicBinaryStars
type: Concept
alt label: binaire spectroscopique @fr
alt label: estrellas binarias espectroscopicas
alt label: spectrum binary stars @en
alt label: spektroskopische Doppelsterne @de
alt label: stelle binarie nello spettro @it
broader: BinaryStars
narrower: TwoSpectrumBinaryStars
pref label: BINAIRE SPECTROSCOPIQUE @fr
pref label: ESTRELLAS BINARIAS ESPECTROSCOPICAS
pref label: SPECTROSCOPIC BINARY STARS @en
pref label: SPEKTROSKOPISCHE DOPPELSTERNE @de
pref label: STELLE BINARIE SPETTROSCOPICHE @it
related: DopplerEffect
related: EclipsingBinaryStars
related: EllipsoidalVariableStars
related: Mass
related: MassFunction
related: VelocityCurves

Spectroscopy
type: Concept
alt label: Spektrophotographie @de
alt label: espectrofotografia
alt label: spectrophotographie @fr
alt label: spectrophotography @en
alt label: spettrofotografia @it
broader: AstronomicalTechniques
broader: ObservingTechniques
narrower: AbsorptionSpectroscopy
narrower: CollisionSpectroscopy
narrower: FourierTransformSpectroscopy
narrower: GammaRaySpectroscopy
narrower: HighResolutionSpectrosopy
narrower: InterferenceSpectrosocopy
narrower: MicrowaveSpectroscopy
narrower: OpticalSpectroscopy
narrower: RamanSpectroscopy
narrower: TimeResolvedSpectroscopy
narrower: TwoDimensionalSpectroscopy
narrower: XRaySpectroscopy
pref label: ESPECTROSCOPIA
pref label: SPECTROSCOPIE @fr
pref label: SPECTROSCOPY @en
pref label: SPEKTROSKOPIE @de
pref label: SPETTROSCOPIA @it
related: CollisionalExcitation
related: ContinuousSpectra
related: Heterodyne
related: PressureBroadening
related: Reseaux
related: Spectra
related: Spectrophotometry
scope note: Not a complete list of terms.

SpectrumVariableStars
type: Concept
broader: AmStars
broader: ApStars
broader: IntrinsicVariableStars
narrower: ManganeseStars
pref label: ESTRELLAS VARIABLES ESPECTROSCOPICAS
pref label: ETOILE SPECTROSCOPIQUEMENT VARIABLE @fr
pref label: SPECTRUM VARIABLE STARS @en
pref label: STELLE VARIABILI NELLO SPETTRO @it
pref label: STERNE MIT VERAENDERLICHEM SPEKTRUM @de
related: Alpha2CanumVenaticorumStars
related: MagneticStars
related: ObliqueRotators

SpeedOfSound
type: Concept
pref label: SCHALLGESCHWINDIGKEIT @de
pref label: SPEED OF SOUND @en
pref label: VELOCIDAD DEL SONIDO
pref label: VELOCITA DEL SUONO @it
pref label: VITESSE DU SON @fr
related: AcousticWaves
related: ShockWaves

SphericalAberration
type: Concept
broader: Aberrations
pref label: ABERRACION ESFERICA
pref label: ABERRATION SPHERIQUE @fr
pref label: ABERRAZIONE SFERICA @it
pref label: SPHAERISCHE ABERRATION @de
pref label: SPHERICAL ABERRATION @en
related: Astigmatism
related: ChromaticAberration
related: Coma
related: Distortion
related: FieldCurvature

SphericalCoordinates
type: Concept
alt label: Winkelkoordinaten @de
alt label: angular coordinates @en
alt label: coordenadas angulares
alt label: coordinate angolari @it
alt label: coordonnees angulaires @fr
pref label: COORDENADAS ESFERICAS
pref label: COORDINATE SFERICHE @it
pref label: COORDONNEE SPHERIQUE @fr
pref label: SPHAERISCHE KOORDINATEN @de
pref label: SPHERICAL COORDINATES @en
related: CoordinateSystems
related: Positions
related: ReferenceSystems

Spicules
type: Concept
narrower: MacroSpicules
pref label: ESPICULAS
pref label: SPICOLE @it
pref label: SPICULE @fr
pref label: SPICULES @en
pref label: SPIKULEN @de
related: Chromosphere
related: Sun

SpiralArms
type: Concept
alt label: Arme @de
alt label: arms @en
alt label: bracci @it
alt label: bras @fr
alt label: brazos
pref label: BRACCI DI SPIRALE @it
pref label: BRAS SPIRAL @fr
pref label: BRAZOS ESPIRALES
pref label: SPIRAL ARMS @en
pref label: SPIRALARME @de
related: GalacticStructure
related: GasDistribution
related: InterstellarMagneticFields
related: InterstellarMatter
related: OpenStarClusters
related: PitchAngle
related: PopulationIStars
related: SpiralGalaxies

SpiralGalaxies
type: Concept
broader: Galaxies
narrower: BarredSpiralGalaxies
narrower: MilkyWayGalaxy
pref label: GALASSIE SPIRALI @it
pref label: GALAXIAS ESPIRALES
pref label: GALAXIE SPIRALE @fr
pref label: SPIRAL GALAXIES @en
pref label: SPIRALGALAXIEN @de
related: LateTypeGalaxies
related: PitchAngle
related: SpiralArms

sProcess
type: Concept
pref label: PROCESO S
pref label: PROCESSO s @it
pref label: PROCESSUS s @fr
pref label: s PROCESS @en
pref label: s-PROZESS @de
related: Nucleosynthesis
related: Supernovas
related: pProcess
related: rProcess

SsCygniStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: UGeminorumStars
pref label: ESTRELLAS SS CYGNI
pref label: ETOILES SS CYGNI @fr
pref label: SS CYGNI STARS @en
pref label: SS CYGNI-STERNE @de
pref label: STELLE SS CYGNI @it
related: SuUrsaeMajorisStars
related: ZCamelopardalisStars

SStars
type: Concept
alt label: Se-Sterne @de
alt label: estrellas se
alt label: etoile se @fr
alt label: se stars @en
alt label: stelle se @it
broader: GiantStars
broader: LateTypeStars
pref label: ESTRELLAS S
pref label: ETOILE S @fr
pref label: S STARS @en
pref label: S-STERNE @de
pref label: STELLE S @it
related: BariumStars
related: CarbonStars
related: HeavyMetalStars
related: SpectralTypes
related: TechnetiumStars
related: ZirconiumStars

Stability
type: Concept
pref label: ESTABILIDAD
pref label: STABILITA @it
pref label: STABILITAET @de
pref label: STABILITE @fr
pref label: STABILITY @en
related: Vibration
scope note: Combine with other terms

StandardCandles
type: Concept
pref label: CANDELAS ESTANDAR
pref label: CANDELE INTERNAZIONALI @it
pref label: ETOILE STANDARD DE FLUX @fr
pref label: STANDARD CANDLES @en
pref label: STANDARDKERZEN @de
related: EffectiveTemperature
related: PhotometricStandardStars
related: Photometry
related: Spectrophotometry

StandardEpoch
type: Concept
narrower: BesselianEpoch
narrower: JulianEpoch
pref label: EPOCA ESTANDAR
pref label: EPOCA STANDARD @it
pref label: EPOQUE DE REFERNCE @fr
pref label: STANDARD EPOCH @en
pref label: STANDARDEPOCHE @de

StandardStars
type: Concept
narrower: PhotometricStandardStars
pref label: ESTRELLAS DE REFERENCIA
pref label: ETOILE DE REFERENCE @fr
pref label: STANDARD STARS @en
pref label: STANDARDSTERNE @de
pref label: STELLE DI RIFERIMENTO @it
related: ComparisonStars
related: Positions
related: SpectralTypes

StarAssociations
type: Concept
narrower: OAssociations
narrower: ObAssociations
narrower: RAssociations
narrower: TAssociations
pref label: ASOCIACIONES ESTELARES
pref label: ASSOCIATION D'ETOILES @fr
pref label: ASSOCIAZIONI STELLARI @it
pref label: STAR ASSOCIATIONS @en
pref label: STERNASSOZIATIONEN @de
related: GouldsBelt
related: OpenStarClusters
related: SecularParallax

StarAtlases
type: Concept
broader: Atlases
pref label: ATLANTI STELLARI @it
pref label: ATLAS CELESTE @fr
pref label: ATLAS DE ESTRELLAS
pref label: STAR ATLASES @en
pref label: STERNATLANTEN @de
related: FindingCharts
related: Maps

StarburstGalaxies
type: Concept
broader: Galaxies
pref label: GALASSIE STARBURST @it
pref label: GALAXIAS CON BROTES DE FORMACION ESTELAR
pref label: GALAXIE A FLAMBEE STELLAIRE @fr
pref label: GALAXIEN MIT HEFTIGER STERNENTSTEHUNG @de
pref label: STARBURST GALAXIES @en
related: StarFormation
related: StellarEvolution

StarClusters
type: Concept
alt label: Sternhaufen @de
alt label: amas d'etoiles @fr
alt label: ammassi di stelle @it
alt label: clusters of stars @en
alt label: cumulos de estrellas
broader: Clusters
narrower: GlobularStarClusters
narrower: OpenStarClusters
pref label: AMAS D'ETOILES @fr
pref label: AMMASSI STELLARI @it
pref label: CUMULOS ESTELARES
pref label: STAR CLUSTERS @en
pref label: STERNHAUFEN @de
related: ClusterRotation
related: Clustering
related: InitialMassFunction
related: IntegratedMagnitude
related: LuminosityFunction
related: MassFunction
related: PoincareTheorem
related: Protoclusters
related: RelaxationTime
related: TidalDisruption
related: TidalRadius
related: VelocityDispersion
related: VelocityDistribution
related: VirialTheorem

StarCounts
type: Concept
pref label: CONTEGGI DI STELLE @it
pref label: CONTEOS DE ESTRELLAS
pref label: DENOMBREMENT DES ETOILES @fr
pref label: STAR COUNTS @en
pref label: STERNZAEHLUNGEN @de
related: GalacticStructure
related: MassFunction
related: StarDistribution
related: Statistics

StarDistribution
type: Concept
pref label: DISTRIBUCION ESTELAR
pref label: DISTRIBUTION DES ETOILES @fr
pref label: DISTRIBUZIONE DELLE STELLE @it
pref label: STAR DISTRIBUTION @en
pref label: STERNVERTEILUNG @de
related: StarCounts
related: Surveys

StarFormation
type: Concept
alt label: Sternentstehung @de
alt label: Ursprung von Sternen @de
alt label: formacion de estrellas
alt label: formation des etoiles @fr
alt label: formation of stars @en
alt label: formazione delle stelle @it
alt label: origen estelar
alt label: origine delle stelle @it
alt label: origine des etoiles @fr
alt label: star origin @en
pref label: FORMACION ESTELAR
pref label: FORMATION DES ETOILES @fr
pref label: FORMAZIONE STELLARE @it
pref label: STAR FORMATION @en
pref label: STERNENTSTEHUNG @de
related: BirthRates
related: BokGlobules
related: CoolingFlows
related: DarkNebulae
related: ExtrasolarPlanets
related: InfraredSources
related: JeansLength
related: PremainsequenceStars
related: Protostars
related: StarburstGalaxies
related: StellarEvolution
related: StellarRings

StarkBroadening
type: Concept
broader: LineBroadening
pref label: ALLARGAMENTO STARK @it
pref label: ELARGISSEMENT PAR EFFET STARK @fr
pref label: ENSANCHAMIENTO STARK
pref label: STARK BROADENING @en
pref label: STARK-VERBREITERUNG @de
related: DopplerBroadening
related: NaturalLineWidth
related: ZeemanSplitting

Stars
type: Concept
narrower: Sun
pref label: ESTRELLAS
pref label: ETOILE @fr
pref label: STARS @en
pref label: STELLE @it
pref label: STERNE @de
scope note: Combine STAR or STELLAR with other terms.

Starspots
type: Concept
pref label: MACCHIE STELLARI @it
pref label: MANCHAS ESTELARES
pref label: STARSPOTS @en
pref label: STERNFLECKEN @de
pref label: TACHE STELLAIRE @fr
related: ByDraconisStars
related: RsCanumVenaticorumStars
related: Sunspots

StatisticalParallax
type: Concept
broader: Parallaxes
pref label: PARALAJE ESTADISTICA
pref label: PARALLASSE STATISTICA @it
pref label: PARALLAXE STATISTIQUE @fr
pref label: STATISTICAL PARALLAX @en
pref label: STATISTISCHE PARALLAXE @de

Statistics
type: Concept
pref label: ESTADISTICA
pref label: STATISTICA @it
pref label: STATISTICS @en
pref label: STATISTIK @de
pref label: STATISTIQUE @fr
related: DistributionFunction
related: MonteCarloTechniques
related: RadioSourceCounts
related: SelectionEffects
related: StarCounts
scope note: Combine with other terms

SteadyStateTheory
type: Concept
broader: Cosmology
pref label: STEADY STATE THEORIE @de
pref label: STEADY STATE THEORY @en
pref label: TEORIA DEL ESTADO ESTACIONARIO
pref label: TEORIA DELLO STATO STAZIONARIO @it
pref label: THEORIE DE L'ETAT STATIONNAIRE @fr
related: BigBangTheory
related: ClosedUniverse
related: OpenUniverse

Stellar
type: Concept
pref label: .... ESTELAR
pref label: STELLAIRE @fr
pref label: STELLAR @en
pref label: STELLARE @it
pref label: STERN ... @de
scope note: See SN for STARS.

StellarAtmospheres
type: Concept
broader: Atmospheres
narrower: SolarAtmosphere
pref label: ATMOSFERAS ESTELARES
pref label: ATMOSFERE STELLARI @it
pref label: ATMOSPHERE STELLAIRE @fr
pref label: STELLAR ATMOSPHERES @en
pref label: STERNATMOSPHAERE @de
related: Chromosphere
related: Coronas
related: DredgeUp
related: LimbBrightening
related: LimbDarkening
related: LineBroadening
related: LineFormation
related: LineWidths
related: NegativeHIon
related: ScaleHeight
related: StellarStructure
related: StellarWinds
related: TurbulenceStarAtmosphere

StellarDynamics
type: Concept
pref label: DINAMICA ESTELAR
pref label: DINAMICA STELLARE @it
pref label: DYNAMIQUE STELLAIRE @fr
pref label: STELLAR DYNAMICS @en
pref label: STELLARDYNAMIK @de
related: CloseEncounters
related: Encounters
related: FokkerPlanckEquation
related: GalacticRotation
related: NBodyProblem
related: PoincareTheorem
related: ProperMotions
related: RadialVelocity
related: RelaxationTime
related: StellarMotions
related: ThreeBodyProblem
related: TwoBodyProblem

StellarEvolution
type: Concept
alt label: Ursprung von Sternen @de
alt label: origen estelar
alt label: origine delle stelle @it
alt label: origine des etoiles @fr
alt label: star origin @en
broader: Evolution
pref label: EVOLUCION ESTELAR
pref label: EVOLUTION STELLAIRE @fr
pref label: EVOLUZIONE STELLARE @it
pref label: STELLAR EVOLUTION @en
pref label: STERNENTWICKLUNG @de
related: BirthRates
related: CarbonBurning
related: ChemicalEvolution
related: CollapsedStars
related: Cosmology
related: EvolutionaryTracks
related: Funneling
related: GiantStars
related: GravitationalEquilibrium
related: HeliumBurning
related: HenyeyTrack
related: HertzsprungRussellDiagram
related: HydrogenBurning
related: InitialMassFunction
related: InnerCore
related: InstabilityStrip
related: KerrBlackHole
related: LuminosityFunction
related: MassLoss
related: Protostars
related: SolarInterior
related: StarFormation
related: StarburstGalaxies
related: StellarInteriors
related: eProcess

StellarInteriors
type: Concept
narrower: SolarInterior
pref label: INTERIORES ESTELARES
pref label: INTERNI DELLE STELLE @it
pref label: STELLAR INTERIORS @en
pref label: STERNINNERES @de
pref label: STRUCTURE INTERNE DES ETOILES @fr
related: CarbonBurning
related: CarbonNitrogenCycle
related: ChandrasekharSchonbergLimit
related: Cores
related: DredgeUp
related: EddingtonLimit
related: GravityWaves
related: HeliumBurning
related: HydrogenBurning
related: InnerCore
related: NuclearFusion
related: Nucleosynthesis
related: OxygenBurning
related: ProtonProtonReaction
related: RosselandOpacity
related: StellarEvolution
related: StellarStructure
related: TemperatureZones

StellarMotions
type: Concept
broader: Motion
pref label: MOTI STELLARI @it
pref label: MOUVEMENT STELLAIRE @fr
pref label: MOVIMIENTOS ESTELARES
pref label: STELLAR MOTIONS @en
pref label: STERNBEWEGUNGEN @de
related: Astrometry
related: DopplerEffect
related: LocalStandardOfRest
related: PeculiarMotions
related: PeculiarVelocity
related: ProperMotions
related: RadialVelocity
related: SpaceMotion
related: StellarDynamics

StellarOscillations
type: Concept
narrower: SolarOscillations
pref label: OSCILACIONES ESTELARES
pref label: OSCILLATION STELLAIRE @fr
pref label: OSCILLAZIONI STELLARI @it
pref label: STELLAR OSCILLATIONS @en
pref label: STERNOSZILLATIONEN / SCHWINGUNGEN @de
related: Asteroseismology
related: Seismology

StellarPopulations
type: Concept
pref label: POBLACIONES ESTELARES
pref label: POPOLAZIONI STELLARI @it
pref label: POPULATION STELLAIRE @fr
pref label: STELLAR POPULATIONS @en
pref label: STERNPOPULATIONEN @de
related: DiskPopulation
related: HaloStars
related: IntermediatePopulationStars
related: PopulationIStars
related: PopulationIiStars

StellarRings
type: Concept
broader: Rings
pref label: ANELLI STELLARI @it
pref label: ANILLOS ESTELARES
pref label: ANNEAU STELLAIRE @fr
pref label: STELLAR RINGS @en
pref label: STERNRINGE @de
related: StarFormation

StellarStructure
type: Concept
pref label: ESTRUCTURA ESTELAR
pref label: STELLAR STRUCTURE @en
pref label: STERNAUFBAU @de
pref label: STRUCTURE STELLAIRE INTERNE @fr
pref label: STRUTTURA STELLARE @it
related: HydrostaticEquilibrium
related: Macroturbulence
related: Models
related: Polytropes
related: SolarInterior
related: StellarAtmospheres
related: StellarInteriors

StellarWinds
type: Concept
broader: Plasmas
narrower: SolarWind
pref label: STELLAR WINDS @en
pref label: STERNWINDE @de
pref label: VENT STELLAIRE @fr
pref label: VENTI STELLARI @it
pref label: VIENTOS ESTELARES
related: AccretionDisks
related: Chromosphere
related: CircumstellarShells
related: InterstellarWinds
related: MassLoss
related: PoyntingRobertsonEffect
related: RadiationPressure
related: Shocks
related: StellarAtmospheres

StimulatedEmission
type: Concept
pref label: EMISION ESTIMULADA
pref label: EMISSION STIMULEE @fr
pref label: EMISSIONE STIMOLATA @it
pref label: ERZWUNGENE EMISSION @de
pref label: STIMULATED EMISSION @en
related: Lasers
related: Masers
related: PopulationInversion
related: Spectra
related: StimulatedRadiation

StimulatedRadiation
type: Concept
pref label: ERZWUNGENE STRAHLUNG @de
pref label: RADIACION ESTIMULADA
pref label: RADIAZIONE STIMOLATA @it
pref label: RAYONNEMENT STIMULE @fr
pref label: STIMULATED RADIATION @en
related: StimulatedEmission

StokesParameters
type: Concept
pref label: PARAMETRE DE STOKES @fr
pref label: PARAMETRI DI STOKES @it
pref label: PARAMETROS DE STOKES
pref label: STOKES PARAMETERS @en
pref label: STOKES-PARAMETER @de
related: PolarizationWaves
related: PolarizedRadiation

Stratopause
type: Concept
pref label: ESTRATOPAUSA
pref label: STRATOPAUSA @it
pref label: STRATOPAUSE @de
related: EarthAtmosphere
related: Mesosphere
related: Stratosphere

Stratosphere
type: Concept
pref label: ESTRATOSFERA
pref label: STRATOSFERA @it
pref label: STRATOSPHAERE @de
pref label: STRATOSPHERE @fr
related: EarthAtmosphere
related: Stratopause
related: Tropopause

StreakPhotography
type: Concept
broader: Photography
pref label: FOTOGRAFIA A ESTRIAS
pref label: FOTOGRAFIA A STRISCIATA @it
pref label: SCHLIERENPHOTOGRAPHIE @de
pref label: STREAK PHOTOGRAPHY @en
pref label: STRIOSCOPIE @fr

Streamers
type: Concept
pref label: PENACHOS
pref label: PENNACCHI @it
pref label: STREAMER / JET / TRAINEE @fr
pref label: STREAMERS @de
related: Comets
related: Tails

Stroboscopes
type: Concept
broader: Instrumentation
pref label: ESTROBOSCOPIOS
pref label: STROBOSCOPE @fr
pref label: STROBOSCOPES @en
pref label: STROBOSCOPI @it
pref label: STROBOSKOPE @de

StromgrenPhotometry
type: Concept
alt label: Vierfarbenphotometrie @de
alt label: fotometria a quattro colori @it
alt label: fotometria en cuatro colores
alt label: four color photometry @en
alt label: photomerie a quatre couleurs @fr
alt label: sistema uvby
alt label: systeme uvby @fr
alt label: uvby system @en
alt label: uvby-System @de
broader: MediumBandPhotometry
broader: PhotometricSystems
pref label: FOTOMETRIA DE STROMGREN
pref label: FOTOMETRIA DI STROMGREN @it
pref label: PHOTOMETRIE DE STROMGREN @fr
pref label: STROEMGREN-PHOTOMETRIE @de
pref label: STROMGREN PHOTOMETRY @en
related: ERegions
related: FRegions
related: HBetaPhotometry
related: KapteynSelectedAreas

StromgrenSphere
type: Concept
broader: GaseousSpheres
pref label: ESFERA DE STROMGREN
pref label: SFERA DI STROMGREN @it
pref label: SPHERE DE STROMGREN @fr
pref label: STROEMGREN-KUGEL @de
pref label: STROMGREN SPHERE @en
related: InterstellarMatter
related: Ionization
related: IonizedGases

StrongInteractions
type: Concept
broader: Interactions
pref label: INTERACCIONES FUERTES
pref label: INTERACTION FORTE @fr
pref label: INTERAZIONI FORTI @it
pref label: STARKE WECHSELWIRKUNG @de
pref label: STRONG INTERACTIONS @en
related: NuclearPhysics
related: WeakInteractions
scope note: Between atomic particles

StrontiumStars
type: Concept
pref label: ESTRELLAS DE ESTRONCIO
pref label: ETOILE A STRONTIUM @fr
pref label: STELLE ALLO STRONZIO @it
pref label: STRONTIUM STARS @en
pref label: STRONTIUM-STERNE @de
related: MagneticStars

Structure
type: Concept
pref label: AUFBAU / STRUKTUR @de
pref label: ESTRUCTURA
pref label: STRUCTURE @fr
pref label: STRUTTURA @it
related: Planets
scope note: Combine with other terms

SubdwarfStars
type: Concept
broader: SubluminousStars
narrower: ASubdwarfStars
narrower: BSubdwarfStars
narrower: FSubdwarfStars
narrower: GSubdwarfStars
narrower: KSubdwarfStars
narrower: MSubdwarfStars
narrower: OSubdwarfStars
pref label: ESTRELLAS SUBENANAS
pref label: ETOILE SOUS NAINE @fr
pref label: STELLE SUBNANE @it
pref label: SUBDWARF STARS @en
pref label: UNTERZWERGE @de
related: DwarfStars
related: HarmanSeatonSequence

SubgiantStars
type: Concept
broader: PostmainsequenceStars
narrower: ASubgiantStars
narrower: FSubgiantStars
narrower: GSubgiantStars
narrower: KSubgiantStars
narrower: MSubgiantStars
pref label: ESTRELLAS SUBGIGANTES
pref label: ETOILE SOUS GEANTE @fr
pref label: STELLE SUBGIGANTI @it
pref label: SUBGIANT STARS @en
pref label: UNTERRIESEN @de
related: LuminosityClassification

SubluminousStars
type: Concept
narrower: DegenerateStars
narrower: SubdwarfStars
pref label: ESTRELLAS SUBLUMINOSAS
pref label: ETOILE SOUS LUMINEUSE @fr
pref label: STELLE SUBLUMINOSE @it
pref label: SUBLUMINOUS STARS @en
pref label: UNTERLEUCHTKRAEFTIGE STERNE @de
related: PopulationIiStars

SubmillimeterAstronomy
type: Concept
broader: RadioAstronomy
pref label: ASTRONOMIA SUBMILIMETRICA
pref label: ASTRONOMIA SUBMILLIMETRICA @it
pref label: ASTRONOMIE SUBMILLIMETRIQUE @fr
pref label: SUBMILLIMETER ASTRONOMY @en
pref label: SUBMILLIMETER(WELLEN)-ASTRONOMIE @de
related: MillimeterAstronomy
related: RadioObservatories
related: SubmillimeterWaves

SubmillimeterWaves
type: Concept
pref label: ONDAS SUBMILIMETRICAS
pref label: ONDE SUBMILLIMETRICHE @it
pref label: ONDE SUBMILLIMETRIQUE @fr
pref label: SUBMILLIMETER WAVES @en
pref label: SUBMILLIMETERWELLEN @de
related: SubmillimeterAstronomy

Subreflectors
type: Concept
pref label: REFLECTEUR SECONDAIRE @fr
pref label: SUBREFLECTORES
pref label: SUBREFLECTORS @en
pref label: SUBREFLEKTOREN @de
pref label: SUBRIFLETTORI @it
related: CassegrainAntennas
related: CassegrainFocus
related: RadioTelescopes
related: SecondaryMirrors

SummerSolstice
type: Concept
broader: Solstices
pref label: SOLSTICE D'ETE @fr
pref label: SOLSTICIO DE VERANO
pref label: SOLSTIZIO D'ESTATE @it
pref label: SOMMERSONNENWENDE @de
pref label: SUMMER SOLSTICE @en
related: TropicOfCancer
related: WinterSolstice

Sun
type: Concept
broader: Stars
pref label: SOL
pref label: SOLE @it
pref label: SOLEIL @fr
pref label: SONNE @de
pref label: SUN @en
related: BailysBeads
related: Chromosphere
related: DiamondRingEffect
related: FilamentsSolar
related: Flares
related: FraunhoferLines
related: Granulation
related: Granules
related: HanleEffect
related: LocalStandardOfRest
related: LunarEclipse
related: MacroSpicules
related: Mottles
related: Photosphere
related: Prominences
related: QuiescentProminences
related: SolarConstant
related: SolarCorona
related: SolarEclipse
related: SolarPhysics
related: SolarPlanetaryRelations
related: SolarSurface
related: SolarSystem
related: SolarTerrestrialRelations
related: Spicules
scope note: Combine SUN or SOLAR with other terms. Not a complete list of terms.

Sunlight
type: Concept
pref label: LUCE SOLARE @it
pref label: LUMIERE SOLAIRE @fr
pref label: LUZ SOLAR
pref label: SONNENLICHT @de
pref label: SUNLIGHT @en
related: SkyBrightness
related: SolarConstant
related: Twilight

SunspotCycle
type: Concept
pref label: CICLO DE LAS MANCHAS SOLARES
pref label: CICLO DELLE MACCHIE SOLARI @it
pref label: CYCLE DES TACHES SOLAIRES @fr
pref label: SONNENFLECKENZYKLUS @de
pref label: SUNSPOT CYCLE @en
related: ButterflyDiagram
related: MaunderMinimum
related: SolarActivity
related: SolarCycle
related: Sunspots

SunspotGroups
type: Concept
narrower: BipolarGroups
pref label: GROUPE DE TACHES SOLAIRES @fr
pref label: GRUPOS DE MANCHAS SOLARES
pref label: GRUPPI DI MACCHIE SOLARI @it
pref label: SONNENFLECKENGRUPPEN @de
pref label: SUNSPOT GROUPS @en
related: SolarActivity
related: SunspotNumbers

SunspotNumbers
type: Concept
alt label: Sonnenfleckenrelativzahl @de
alt label: Wolf [Sonnenfleckenrelativ] zahl @de
alt label: nombre de wolf @fr
alt label: nombre relatif des taches solaires @fr
alt label: numero de wolf
alt label: numero di wolf @it
alt label: numero relativo de manchas solares
alt label: numero relativo di macchie solari @it
alt label: relative sunspot number @en
alt label: wolf number @en
pref label: NOMBRE DE TACHES SOLAIRES @fr
pref label: NUMERI DI MACCHIE SOLARI @it
pref label: NUMEROS DE MANCHAS SOLARES
pref label: SONNENFLECKENZAHLEN @de
pref label: SUNSPOT NUMBERS @en
related: ButterflyDiagram
related: MaunderMinimum
related: SolarActivity
related: SolarCycle
related: SunspotGroups

Sunspots
type: Concept
pref label: MACCHIE SOLARI @it
pref label: MANCHAS SOLARES
pref label: SONNENFLECKEN @de
pref label: SUNSPOTS @en
pref label: TACHE SOLAIRE @fr
related: ActiveSun
related: BipolarGroups
related: ButterflyDiagram
related: EvershedEffect
related: FilamentsSolar
related: MagneticFields
related: MagneticStorms
related: Penumbra
related: Plages
related: Prominences
related: SolarActivity
related: Starspots
related: SunspotCycle
related: Umbra
related: WilsonEffect

SunyaevZeldovichEffect
type: Concept
pref label: EFECTO SUNYAEV ZELDOVICH
pref label: EFFET DE SUNYAEV ZELDOVICH @fr
pref label: EFFETTO SUNYAEV ZELDOVICH @it
pref label: SUNYAEV ZELDOVICH EFFECT @en
pref label: SUNYAEV-ZELDOVICH-EFFEKT @de
related: BackgroundRadiation
related: ClustersOfGalaxies
related: IntraclusterMatter
related: MicrowaveBackground
related: XRayEmission

Superclusters
type: Concept
pref label: SUPERAMAS @fr
pref label: SUPERAMMASSI @it
pref label: SUPERCLUSTERS @en
pref label: SUPERCUMULOS
pref label: SUPERHAUFEN @de
related: ClustersOfGalaxies

SupergiantStars
type: Concept
broader: HighLuminosityStars
broader: PostmainsequenceStars
narrower: ASupergiantStars
narrower: BSupergiantStars
narrower: EarlyTypeSupergiantStars
narrower: FSupergiantStars
narrower: GSupergiantStars
narrower: KSupergiantStars
narrower: LateTypeSupergiantStars
narrower: OSupergiantStars
pref label: ESTRELLAS SUPERGIGANTES
pref label: ETOILE SUPERGEANTE @fr
pref label: STELLE SUPERGIGANTI @it
pref label: SUPERGIANT STARS @en
pref label: UEBERRIESEN-STERNE @de
related: HubbleSandageVariableStars
related: HypergiantStars
related: IrregularVariableStars
related: LcVariableStars
related: RCoronaeBorealisStars
related: SemiregularVariableStars
related: SupermassiveStars

Supergranulation
type: Concept
broader: Granulation
pref label: SUPERGRANULACION
pref label: SUPERGRANULATION @de
pref label: SUPERGRANULAZIONE @it
related: SolarSurface

SupermassiveStars
type: Concept
pref label: ESTRELLAS SUPERMASIVAS
pref label: ETOILE SUPERMASSIVE @fr
pref label: STELLE SUPERMASSIVE @it
pref label: SUPERMASSIVE STARS @en
pref label: SUPERMASSIVER STERN @de
related: MassiveStars
related: SupergiantStars

SupernovaEnvelopes
type: Concept
pref label: ENVELOPPE DE SUPERNOVA @fr
pref label: ENVOLTURAS DE SUPERNOVA
pref label: INVILUPPI DI SUPERNOVA @it
pref label: SUPERNOVA ENVELOPES @en
pref label: SUPERNOVA-HUELLEN @de
related: ShockWaves
related: Supernovas

SupernovaRemnants
type: Concept
pref label: REMANENTES DE SUPERNOVA
pref label: RESTE DE SUPERNOVA @fr
pref label: RESTI DI SUPERNOVA @it
pref label: SUPERNOVA REMNANTS @en
pref label: SUPERNOVA-RESTE @de
related: BlackHoles
related: NeutronStars
related: Pulsars
related: RadioSources
related: WhiteDwarfStars
related: WhiteHoles
related: XRaySources

Supernovas
type: Concept
alt label: praesupernovae @de
alt label: presupernova @fr
alt label: presupernovae @it
alt label: presupernovas
broader: CataclysmicVariableStars
broader: HighLuminosityStars
pref label: SUPERNOVA @fr
pref label: SUPERNOVAE @it
pref label: SUPERNOVAS
related: FrozenInElements
related: GravitationalCollapse
related: MassLoss
related: Neutrinos
related: Novas
related: NuclearFusion
related: Nucleosynthesis
related: OpikTheory
related: OpticalOutbursts
related: Progenitors
related: Pulsars
related: RunawayStars
related: Shocks
related: SupernovaEnvelopes
related: SupportSystems
related: eProcess
related: pProcess
related: rProcess
related: sProcess

SupportSystems
type: Concept
pref label: SISTEMAS DE APOYO
pref label: SISTEMI DI SUPPORTO @it
pref label: SUPPORT SYSTEMS @en
pref label: SYSTEME DE SOUTIEN @fr
pref label: UNTERSTUETZUNGSSYSTEME @de
related: Instrumentation
related: Supernovas
related: Telescopes
scope note: Combine with other terms

SurfaceBrightness
type: Concept
broader: Brightness
pref label: BRILLANCE DE SURFACE @fr
pref label: BRILLANZA SUPERFICIALE @it
pref label: BRILLO SUPERFICIAL
pref label: FLAECHENHELLIGKEIT @de
pref label: SURFACE BRIGHTNESS @en
related: GravityDarkening
related: Photosphere
related: SurfacePhotometry
related: Temperature
related: VonZeipelTheorem

SurfaceGravity
type: Concept
alt label: Schwerebeschleunigung @de
alt label: acceleration de la pesanteur @fr
alt label: acceleration of gravity @en
alt label: accelerazione di gravita @it
alt label: aceleracion de la gravedad
pref label: GRAVEDAD SUPERFICIAL
pref label: GRAVITA SUPERFICIALE @it
pref label: GRAVITE EN SURFACE @fr
pref label: OBERFLAECHENSCHWERKRAFT @de
pref label: SURFACE GRAVITY @en
related: Diameters
related: GravitationalForce
related: GravityDarkening
related: LineWidths
related: Luminosity
related: LuminosityClassification
related: Mass

SurfacePhotometry
type: Concept
alt label: FOTOMETRIA DE AREA
alt label: Flaechenphotometrie @de
alt label: area photometry @en
alt label: fotometria superficiale @it
alt label: photometrie de surface @fr
broader: Photometry
pref label: FLAECHENPHOTOMETRIE @de
pref label: FOTOMETRIA DE LA SUPERFICIE
pref label: FOTOMETRIA SUPERFICIALE @it
pref label: PHOTOMETRIE DE SURFACE @fr
pref label: SURFACE PHOTOMETRY @en
related: DriftScans
related: Galaxies
related: Isophotes
related: Nebulae
related: SurfaceBrightness

SurfaceProperties
type: Concept
broader: Properties
pref label: OBERFLAECHENEIGENSCHAFTEN @de
pref label: PROPIEDADES DE LA SUPERFICIE
pref label: PROPRIETA SUPERFICIALI @it
pref label: PROPRIETE DE SURFACE @fr
pref label: SURFACE PROPERTIES @en
related: Albedo
scope note: Combine with other terms

SurfacesCelestialBodies
type: Concept
pref label: OBERFLAECHE [VON HIMMELSKOERPERN] @de
pref label: SUPERFICI [CORPI CELESTI] @it
pref label: SUPERFICIES DE LOS CUERPOS CELESTES
pref label: SURFACE [CORPS CELESTE] @fr
pref label: SURFACES [CELESTIAL BODIES] @en
related: DustStorms
related: Geology
related: LunarDomes
related: Maria
related: Moon
related: Petrology
related: Photosphere
related: Planets
related: Satellites
related: Topography
related: Volatiles
related: Volcanoes
related: WaterIce

SurfacesOptical
type: Concept
pref label: OBERFLAECHEN [OPTISCHE] @de
pref label: SUPERFICI [OTTICHE] @it
pref label: SUPERFICIES OPTICAS
pref label: SURFACE [OPTIQUE] @fr
pref label: SURFACES [OPTICAL] @en
related: AluminumCoatings
related: AntireflectionCoatings
related: Figuring
related: Lenses
related: Mirrors
related: Polishing
related: SilverCoatings
related: ThinFilms

Surveys
type: Concept
narrower: SkySurveys
narrower: UltravioletSurveys
narrower: XRaySurveys
pref label: DURCHMUSTERUNG[EN] @de
pref label: RELEVAMIENTOS / RECONOCIMIENTOS / LEVANTAMIENTOS
pref label: RELEVE SYSTEMATIQUE @fr
pref label: SURVEY @it
pref label: SURVEYS @en
related: Atlases
related: Catalogs
related: RadioSourceCounts
related: StarDistribution

SuUrsaeMajorisStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: UGeminorumStars
pref label: ESTRELLAS SU URSAE MAJORIS
pref label: ETOILES SU URSAE MAJORIS @fr
pref label: STELLE SU URSAE MAIORIS @it
pref label: SU URSAE MAJORIS STARS @en
pref label: SU URSAE MAJORIS-STERNE @de
related: SsCygniStars
related: UxUrsaeMajorisStars
related: WzSagittaeStars
related: ZCamelopardalisStars

SVulpeculaeStars
type: Concept
broader: LongPeriodVariableStars
broader: PulsatingVariableStars
broader: SemiregularVariableStars
pref label: ESTRELLAS S VULPECULAE
pref label: ETOILES S VULPECULAE @fr
pref label: S VULPECULAE STARS @en
pref label: S VULPECULAE-STERNE @de
pref label: STELLE S VULPECULAE @it
related: MiraVariableStars
related: RvTauriStars

SwanBands
type: Concept
broader: MolecularBands
pref label: BANDAS DE SWAN
pref label: BANDE DE SWAN @fr
pref label: BANDE DI SWANN @it
pref label: SWAN BANDS @en
pref label: SWANBANDEN @de
related: CarbonMonoxide
related: MolecularSpectra

SxArietisStars
type: Concept
alt label: Helium veraenderliche Sterne @de
alt label: estrellas variables de helio
alt label: etoile variable a helium @fr
alt label: helium variable stars @en
alt label: stelle con elio variabile @it
broader: Alpha2CanumVenaticorumStars
broader: CataclysmicVariableStars
broader: EarlyTypeVariableStars
broader: EruptiveBinaryStars
broader: MagneticVariableStars
broader: UGeminorumStars
pref label: ESTRELLAS SX ARIETIS
pref label: ETOILES SX ARIETIS @fr
pref label: STELLE SX ARIETIS @it
pref label: SX ARIETIS STARS @en
pref label: SX ARIETIS-STERNE @de

SxPhoenicisStars
type: Concept
broader: MultiperiodicVariableStars
broader: PopulationIiStars
broader: PulsatingVariableStars
pref label: ESTRELLAS SX PHOENECIS
pref label: ETOILES SX PHOENICIS @fr
pref label: STELLE SX PHOENICIS @it
pref label: SX PHOENICIS STARS @en
pref label: SX PHOENICIS-STERNE @de

SymbioticStars
type: Concept
alt label: nova symbiotique @fr
alt label: novae simbiotiche @it
alt label: novas simbioticas
alt label: symbiotic novas @en
alt label: symbiotische Novae @de
broader: CataclysmicVariableStars
broader: EmissionLineStars
broader: EruptiveBinaryStars
narrower: ZAndromedaeStars
pref label: ESTRELLAS SIMBIOTICAS
pref label: ETOILE SYMBIOTIQUE @fr
pref label: STELLE SIMBIOTICHE @it
pref label: SYMBIOTIC STARS @en
pref label: SYMBIOTISCHE STERNE @de
related: DustShells
related: PCygniLineProfiles
related: XRayBinaryStars

Symbols
type: Concept
pref label: SIMBOLI @it
pref label: SIMBOLOS
pref label: SYMBOLE @de
pref label: SYMBOLS @en
related: Units

SynchronousDetectors
type: Concept
broader: Detectors
pref label: DETECTEUR SYNCHRONE @fr
pref label: DETECTORES SINCRONICOS
pref label: RIVELATORI SINCRONI @it
pref label: SYNCHRONISIERTE DETEKTOREN @de
pref label: SYNCHRONOUS DETECTORS @en

SynchronousRotation
type: Concept
broader: Rotation
pref label: GEBUNDENE ROTATION @de
pref label: ROTACION SINCRONICA
pref label: ROTATION SYNCHRONE @fr
pref label: ROTAZIONE SINCRONA @it
pref label: SYNCHRONOUS ROTATION @en
related: CloseBinaryStars
related: Orbits
related: RotatingStars

SynchrotronRadiation
type: Concept
broader: Radiation
narrower: CyclotronRadiation
narrower: GyrosynchrotronRadiation
pref label: RADIACION SINCROTRON
pref label: RADIAZIONE DI SINCROTRONE @it
pref label: RAYONNEMENT SYNCHROTRON @fr
pref label: SYNCHROTRON RADIATION @en
pref label: SYNCHROTRONSTRAHLUNG @de
related: Bremsstrahlung
related: Magnetohydrodynamics
related: NonthermalSources
related: RadiationMechanisms
related: RazinEffect
related: RelativisticElectrons

SynodicPeriod
type: Concept
pref label: PERIODE SYNODIQUE @fr
pref label: PERIODO SINODICO
pref label: SYNODIC PERIOD @en
pref label: SYNODISCHE PERIODE @de
related: Conjunction
related: Opposition
related: Planets
related: SolarSystem
related: Syzygy

Systems
type: Concept
pref label: SISTEMAS
pref label: SISTEMI @it
pref label: SYSTEME @de
pref label: SYSTEMS @en
scope note: Combine with other terms

Syzygy
type: Concept
pref label: SIZIGIA
pref label: SYZYGIE @fr
pref label: SYZYGIEN @de
pref label: SYZYGY @en
related: Conjunction
related: Opposition
related: Planets
related: SynodicPeriod
scope note: Conjunction or opposition of planets.

Tails
type: Concept
pref label: CODE @it
pref label: COLAS
pref label: QUEUE @fr
pref label: SCHWEIFE @de
pref label: TAILS @en
related: Comets
related: HeadTailGalaxies
related: InteractingGalaxies
related: Streamers

TangentialVelocity
type: Concept
broader: Velocity
pref label: TANGENTIAL VELOCITY @en
pref label: TANGENTIALE GESCHWINDIGKEIT @de
pref label: VELOCIDAD TANGENCIAL
pref label: VELOCITA TANGENZIALE @it
pref label: VITESSE TANGENTIELLE @fr
related: OrbitalVelocity
related: RadialVelocity

TArrays
type: Concept
broader: Arrays
broader: RadioInterferometers
pref label: ARRAY A T @it
pref label: ORDENAMIENTO T
pref label: RESEAU D'ANTENNES EN T @fr
pref label: T ARRAYS @en
pref label: T-REIHENAUFSTELLUNGEN @de
related: YArrays

TAssociations
type: Concept
broader: StarAssociations
pref label: ASOCIACIONES T
pref label: ASSOCIATION T @fr
pref label: ASSOCIAZIONI T @it
pref label: T ASSOCIATIONS @en
pref label: T-ASSOZIATIONEN @de
related: FlareStars
related: FlashStars
related: FuOrionisStars
related: HAlphaEmissionLineStars
related: HerbigHaroObjects
related: IrregularVariableStars
related: PremainsequenceStars
related: RwAurigaeStars
related: TTauriStars
related: YoungStarClusters
related: YoungStars

Taxonomy
type: Concept
pref label: TASSONOMIA @it
pref label: TAXINOMIE @fr
pref label: TAXONOMIA
pref label: TAXONOMIE @de
pref label: TAXONOMY @en
related: Classification

TeachingInAstronomy
type: Concept
alt label: EDUCACION
alt label: Erziehung @de
alt label: education @fr
alt label: insegnamento @it
pref label: DIDATTICA DELL'ASTRONOMIA @it
pref label: ENSEIGNEMENT DE L'ASTRONOMIE @fr
pref label: LEHRE IN ASTRONOMIE @de
pref label: TEACHING IN ASTRONOMY @en
pref label: ensenanza de la astronomia

TechnetiumLines
type: Concept
broader: MetalLines
broader: SpectralLines
pref label: LINEAS DE TECNECIO
pref label: RAIE DU TECHNETIUM @fr
pref label: RIGHE DEL TECNEZIO @it
pref label: TECHNETIUM LINES @en
pref label: TECHNETIUMLINIEN @de

TechnetiumStars
type: Concept
pref label: ESTRELLAS DE TECNECIO
pref label: ETOILE A TECHNECIUM @fr
pref label: STELLE AL TECNEZIO @it
pref label: TECHNETIUM STARS @en
pref label: TECHNETIUMSTERNE @de
related: NStars
related: SStars

Tektites
type: Concept
broader: Meteorites
narrower: Australites
narrower: Bediasites
narrower: Indochinites
narrower: Moldavites
pref label: TECTITAS
pref label: TECTITI @it
pref label: TEKTITE @de
pref label: TEKTITES @en

TelescopeArrays
type: Concept
broader: Arrays
pref label: ORDENAMIENTO DE TELESCOPIOS
pref label: RESEAU DE TELESCOPES @fr
pref label: SCHIERA DI TELESCOPI @it
pref label: TELESCOPE ARRAYS @en
pref label: TELESKOP-REIHENAUFSTELLUNG @de
related: FillingFactor
related: Interferometers
related: Telescopes

TelescopeConstruction
type: Concept
pref label: CONSTRUCCION DE TELESCOPIOS
pref label: CONSTRUCTION DE TELESCOPE @fr
pref label: COSTRUZIONE DI TELESCOPI @it
pref label: KONSTRUKTION VON TELESKOPEN @de
pref label: TELESCOPE CONSTRUCTION @en
related: Telescopes

TelescopeDesign
type: Concept
pref label: CONCEPTION DE TELESCOPE @fr
pref label: DISEGNO DI TELESCOPI @it
pref label: DISENO DE TELESCOPIOS
pref label: TELESCOPE DESIGN @en
pref label: TELESKOPENTWURF / DESIGN @de
related: TelescopeMountings
related: Telescopes

TelescopeInstrumentation
type: Concept
broader: Instrumentation
narrower: Photometers
narrower: Polarimeters
narrower: Spectrographs
pref label: INSTRUMENTACION DE TELESCOPIOS
pref label: INSTRUMENTATION POUR TELESCOPE @fr
pref label: STRUMENTAZIONE DI TELESCOPI @it
pref label: TELESCOPE INSTRUMENTATION @en
pref label: TELESKOPINSTRUMENTIERUNG @de
related: ControlSystems
related: Detectors
related: FeedHorns
related: Feeds
related: RemoteControlSystems
related: Spectrophotometers
related: Telescopes
scope note: Not a complete list of terms.

TelescopeMirrors
type: Concept
broader: Mirrors
narrower: PrimaryMirrors
narrower: SecondaryMirrors
pref label: ESPEJOS DE TELESCOPIO
pref label: MIROIR DE TELESCOPE @fr
pref label: SPECCHI DI TELESCOPI @it
pref label: TELESCOPE MIRRORS @en
pref label: TELESKOPSPIEGEL @de
related: Telescopes

TelescopeMountings
type: Concept
narrower: AltazimuthMounting
narrower: EquatorialMounting
pref label: MONTATURE DI TELESCOPI @it
pref label: MONTURAS DE TELESCOPIOS
pref label: MONTURE DE TELESCOPE @fr
pref label: TELESCOPE MOUNTINGS @en
pref label: TELESKOPMONTIERUNG @de
related: Coelostats
related: Heliostats
related: PolarAxis
related: Siderostats
related: TelescopeDesign
related: Telescopes

Telescopes
type: Concept
broader: OpticalInstruments
narrower: AutomatedTelescopes
narrower: GammaRayTelescopes
narrower: InfraredTelescopes
narrower: OpticalTelescopes
narrower: RadioTelescopes
narrower: SolarTelescopes
narrower: SpaceTelescopes
pref label: TELESCOPE @fr
pref label: TELESCOPES @en
pref label: TELESCOPI @it
pref label: TELESCOPIOS
pref label: TELESKOPE @de
related: Aberrations
related: Antennas
related: ControlSystems
related: Domes
related: Drives
related: Focus
related: GuideSystems
related: Observatories
related: PointingAccuracy
related: PointingErrors
related: RemoteControlSystems
related: SupportSystems
related: TelescopeArrays
related: TelescopeConstruction
related: TelescopeDesign
related: TelescopeInstrumentation
related: TelescopeMirrors
related: TelescopeMountings
related: Vignetting
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

Television
type: Concept
alt label: tv
pref label: FERNSEHEN @de
pref label: TELEVISION
pref label: TELEVISIONE @it
related: TelevisionCameras
related: TelevisionDetectors

TelevisionCameras
type: Concept
alt label: Fernsehkameras @de
alt label: camaras de tv
alt label: camera tv @fr
alt label: telecamere @it
alt label: tv cameras @en
pref label: CAMARAS DE TELEVISION
pref label: CAMERA DE TELEVISION @fr
pref label: FERNSEHKAMERAS @de
pref label: TELECAMERE @it
pref label: TELEVISION CAMERAS @en
related: Television
related: TelevisionDetectors
related: TwoDimensionalDetectors

TelevisionDetectors
type: Concept
alt label: Fernsehkameraroehren @de
alt label: Fernsehkameras @de
alt label: camaras de tv
alt label: camera tv @fr
alt label: telecamere @it
alt label: television camera tubes @en
alt label: tube pour camera de television @fr
alt label: tubi di ripresa televisivi @it
alt label: tubos de camara de television
alt label: tv cameras @en
broader: MultichannelDetectors
broader: PhotoelectronicDevices
broader: TwoDimensionalDetectors
pref label: DETECTEUR PAR TELEVISION @fr
pref label: DETECTORES DE TELEVISION
pref label: FERNSEHDETEKTOREN @de
pref label: RIVELATORI TELEVISIVI @it
pref label: TELEVISION DETECTORS @en
related: CcdDetectors
related: Television
related: TelevisionCameras

TelluricLines
type: Concept
broader: SpectralLines
pref label: IN DER ERDATMOSPHAERE ENTSTANDENE SPEKTRALLINIEN @de
pref label: LINEAS TELURICAS
pref label: RAIE TELLURIQUE @fr
pref label: RIGHE TELLURICHE @it
pref label: TELLURIC LINES @en
related: EarthAtmosphere
related: SpectralBands
scope note: From earth's atmosphere.

Temperature
type: Concept
narrower: BrightnessTemperature
narrower: EffectiveTemperature
narrower: IonTemperature
pref label: TEMPERATUR @de
pref label: TEMPERATURA
pref label: TEMPERATURE @fr
related: AbsoluteTemperatureScale
related: CelsiusTemperatureScale
related: Color
related: Emissivity
related: LimbBrightening
related: LimbDarkening
related: RadiativeEquilibrium
related: SpectralTypes
related: SurfaceBrightness
related: ThermalConductivity
related: Thermodynamics
scope note: Combine with other terms

TemperatureControl
type: Concept
pref label: CONTROL DE TEMPERATURA
pref label: CONTROLE DE TEMPERATURE @fr
pref label: CONTROLLO DELLA TEMPERATURA @it
pref label: TEMPERATURE CONTROL @en
pref label: TEMPERATURKONTROLLE @de
related: AirConditioning
related: Cryogenics
related: Cryostats
related: Domes
related: TemperatureDistribution
related: Ventilation

TemperatureDistribution
type: Concept
pref label: DISTRIBUCION DE TEMPERATURA
pref label: DISTRIBUTION DE TEMPERATURE @fr
pref label: DISTRIBUZIONE DELLA TEMPERATURA @it
pref label: TEMPERATURE DISTRIBUTION @en
pref label: TEMPERATURVERTEILUNG @de
related: TemperatureControl
related: TemperatureZones

TemperatureEffects
type: Concept
alt label: efectos termicos
alt label: effet thermique @fr
alt label: effetti termici @it
alt label: thermal effects @en
alt label: thermische Effekte @de
pref label: EFECTOS DE TEMPERATURA
pref label: EFFET DE TEMPERATURE @fr
pref label: EFFETTI DELLA TEMPERATURA @it
pref label: TEMPERATURE EFFECTS @en
pref label: TEMPERATUREFFEKTE @de
scope note: Combine with other terms

TemperatureFluctuations
type: Concept
pref label: FLUCTUACIONES DE TEMPERATURA
pref label: FLUCTUATION DE TEMPERATURE @fr
pref label: FLUTTUAZIONI DI TEMPERATURA @it
pref label: TEMPERATURE FLUCTUATIONS @en
pref label: TEMPERATURSCHWANKUNGEN @de
scope note: Combine with other terms

TemperatureScales
type: Concept
narrower: AbsoluteTemperatureScale
narrower: CelsiusTemperatureScale
pref label: ECHELLE DE TEMPERATURE @fr
pref label: ESCALAS DE TEMPERATURA
pref label: SCALE DI TEMPERATURA @it
pref label: TEMPERATURE SCALES @en
pref label: TEMPERATURSKALEN @de
related: Kelvin

TemperatureZones
type: Concept
pref label: TEMPERATURE ZONES @en
pref label: TEMPERATURZONEN @de
pref label: ZONAS DE TEMPERATURA
pref label: ZONE DE TEMPERATURE @fr
pref label: ZONE DI TEMPERATURA @it
related: Atmospheres
related: StellarInteriors
related: TemperatureDistribution

TerminatorLines
type: Concept
pref label: TERMINADORES
pref label: TERMINATEUR @fr
pref label: TERMINATOR @de
pref label: TERMINATOR LINES @en
pref label: TERMINATORI @it
related: PhaseMoon

TerrestrialRadiation
type: Concept
narrower: AtmosphericRadiation
pref label: RADIACION TERRESTRE
pref label: RADIAZIONE TERRESTRE @it
pref label: RAYONNEMENT TERRESTRE @fr
pref label: STRAHLUNG IRDISCHEN URSPRUNGS @de
pref label: TERRESTRIAL RADIATION @en
related: GreenhouseEffect
related: InfraredRadiation

Testing
type: Concept
pref label: ESSAI @fr
pref label: PROVE @it
pref label: PRUEBA
pref label: PRUEFEN / TESTEN @de
pref label: TESTING @en
scope note: Combine with other terms

Theory
type: Concept
pref label: TEORIA
pref label: THEORIE @de
pref label: THEORY @en
related: Research
scope note: Combine with other terms

ThermalConductivity
type: Concept
pref label: CONDUCIBILITA TERMICA @it
pref label: CONDUCTIVIDAD TERMICA
pref label: CONDUCTIVITE THERMIQUE @fr
pref label: THERMAL CONDUCTIVITY @en
pref label: WAERMELEITFAEHIGKEIT @de
related: Conduction
related: Temperature

ThermalEmission
type: Concept
pref label: EMISION TERMICA
pref label: EMISSION THERMIQUE @fr
pref label: EMISSIONE TERMICA @it
pref label: THERMAL EMISSION @en
pref label: THERMISCHE EMISSION @de
related: FreeFreeEmission
related: InfraredEmission

ThermalEquilibrium
type: Concept
pref label: EQUILIBRE THERMIQUE @fr
pref label: EQUILIBRIO TERMICO
pref label: THERMAL EQUILIBRIUM @en
pref label: THERMISCHES GLEICHGEWICHT @de
related: LocalThermodynamicEquilibrium
related: SahaEquation
related: ThermalInstability
related: ThermodynamicEquilibrium
related: Thermodynamics

ThermalHistory
type: Concept
pref label: HISTOIRE THERMIQUE @fr
pref label: HISTORIA TERMICA
pref label: STORIA TERMICA @it
pref label: THERMAL HISTORY @en
pref label: THERMISCHE GESCHICHTE @de
scope note: Combine with other terms

ThermalInstability
type: Concept
pref label: INESTABILIDAD TERMICA
pref label: INSTABILITA TERMICA @it
pref label: INSTABILITE THERMIQUE @fr
pref label: THERMAL INSTABILITY @en
pref label: THERMISCHE INSTABILITAET @de
related: Convection
related: LocalThermodynamicEquilibrium
related: ThermalEquilibrium
related: ThermodynamicEquilibrium
related: TurbulenceEarthAtmosphere
related: TurbulenceStarAtmosphere

ThermalProperties
type: Concept
broader: Properties
pref label: PROPIEDADES TERMICAS
pref label: PROPRIETA TERMICHE @it
pref label: PROPRIETE THERMIQUE @fr
pref label: THERMAL PROPERTIES @en
pref label: THERMISCHE EIGENSCHAFTEN @de
scope note: Combine with other terms

ThermalRadiation
type: Concept
broader: Radiation
pref label: RADIACION TERMICA
pref label: RADIAZIONE TERMICA @it
pref label: RAYONNEMENT THERMIQUE @fr
pref label: THERMAL RADIATION @en
pref label: THERMISCHE STRAHLUNG @de
related: BlackBodyRadiation
related: InfraredRadiation
related: JohnsonNoise

ThermalStability
type: Concept
pref label: ESTABILIDAD TERMICA
pref label: STABILITA TERMICA @it
pref label: STABILITE THERMIQUE @fr
pref label: THERMAL STABILITY @en
pref label: THERMISCHE STABILITAET @de
related: LocalThermodynamicEquilibrium
related: RayleighNumber
related: ThermodynamicEquilibrium

ThermalStructure
type: Concept
pref label: ESTRUCTURA TERMICA
pref label: STRUCTURE THERMIQUE @fr
pref label: STRUTTURA TERMICA @it
pref label: THERMAL STRUCTURE @en
pref label: THERMISCHER AUFBAU / STRUKTUR @de
related: Convection
related: TurbulenceEarthAtmosphere
related: TurbulenceStarAtmosphere
scope note: Combine with other terms

ThermionicEmission
type: Concept
alt label: Dunkelstrom @de
alt label: corrente oscura @it
alt label: corriente obscura
alt label: courant d'obscurite @fr
alt label: dark current @en
pref label: EMISION TERMOIONICA
pref label: EMISSION THERMOIONIQUE @fr
pref label: EMISSIONE TERMOELETTRONICA @it
pref label: THERMIONIC EMISSION @en
pref label: THERMIONISCHE EMISSION @de
related: Cathodes
related: Electrons
related: Ions

ThermodynamicEquilibrium
type: Concept
narrower: LocalThermodynamicEquilibrium
pref label: EQUILIBRE THERMODYNAMIQUE @fr
pref label: EQUILIBRIO TERMODINAMICO
pref label: THERMODYNAMIC EQUILIBRIUM @en
pref label: THERMODYNAMISCHES GLEICHGEWICHT @de
related: EnergyTransfer
related: ThermalEquilibrium
related: ThermalInstability
related: ThermalStability
related: Thermodynamics

Thermodynamics
type: Concept
pref label: TERMODINAMICA
pref label: THERMODYNAMICS @en
pref label: THERMODYNAMIK @de
pref label: THERMODYNAMIQUE @fr
related: AdiabaticProcess
related: EnergyTransfer
related: Enthalpy
related: Entropy
related: LocalThermodynamicEquilibrium
related: Plasmas
related: Temperature
related: ThermalEquilibrium
related: ThermodynamicEquilibrium

Thermoluminescence
type: Concept
broader: Luminescence
pref label: TERMOLUMINESCENZA @it
pref label: TERMOLUMINISCENCIA
pref label: THERMOLUMINESCENCE @fr
pref label: THERMOLUMINESZENZ @de

ThermonuclearReactions
type: Concept
pref label: REACCIONES TERMONUCLEARES
pref label: REACTION THERMONUCLEAIRE @fr
pref label: REAZIONI TERMONUCLEARI @it
pref label: THERMONUCLEAR REACTIONS @en
pref label: THERMONUKLEARE REAKTION[EN] @de
scope note: See NUCLEAR FUSION

Thermosphere
type: Concept
pref label: TERMOSFERA
pref label: THERMOSPHAERE @de
pref label: THERMOSPHERE @fr
related: EarthAtmosphere
related: Exosphere
related: Ionosphere
related: Mesopause
related: UpperAtmosphere

Thickness
type: Concept
pref label: DICKE @de
pref label: EPAISSEUR @fr
pref label: ESPESOR
pref label: SPESSORE @it
pref label: THICKNESS @en
scope note: Combine with other terms

ThinFilms
type: Concept
broader: OpticalFilms
narrower: AluminumCoatings
narrower: AntireflectionCoatings
narrower: SilverCoatings
pref label: COUCHE MINCE @fr
pref label: DUENNE SCHICHTEN @de
pref label: PELICULA DELGADAS
pref label: PELLICOLE SOTTILI @it
pref label: THIN FILMS @en
related: Coatings
related: Mirrors
related: Reflection
related: SurfacesOptical
related: VacuumTechniques
related: VaporDeposition

ThomsonScattering
type: Concept
broader: ComptonScattering
broader: LightScattering
broader: RadiationScattering
pref label: DIFFUSION THOMSON @fr
pref label: DIFFUSIONE THOMSON @it
pref label: DISPERSION THOMSON
pref label: THOMSON SCATTERING @en
pref label: THOMSON-STREUUNG @de
related: RayleighScattering

ThreeBodyProblem
type: Concept
pref label: DREIKOERPERPROBLEM @de
pref label: PROBLEMA DE LOS TRES CUERPOS
pref label: PROBLEMA DEI TRE CORPI @it
pref label: PROBLEME DES TROIS CORPS @fr
pref label: THREE BODY PROBLEM @en
related: CelestialMechanics
related: NBodyProblem
related: Orbits
related: Perturbation
related: StellarDynamics
related: TwoBodyProblem

TidalDisruption
type: Concept
pref label: DISGREGACION POR FUERZAS DE MAREA
pref label: DISGREGAZIONE MAREALE @it
pref label: FRAGMENTATION DUE A L'EFFET DE MAREE @fr
pref label: TIDAL DISRUPTION @en
pref label: ZERSTOERUNG DURCH GEZEITENWIRKUNG @de
related: DifferentialRotation
related: RocheLimit
related: StarClusters
related: TidalDistortion
related: TidalFriction
related: TidalInteraction
related: TidalRadius

TidalDistortion
type: Concept
pref label: DEFORMATION DUE A L'EFFET DE MAREE @fr
pref label: DEFORMATION DURCH GEZEITENWIRKUNG @de
pref label: DISTORCION POR FUERZAS DE MAREA
pref label: DISTORSIONE MAREALE @it
pref label: TIDAL DISTORTION @en
related: DifferentialRotation
related: InteractingGalaxies
related: TidalDisruption
related: TidalFriction
related: TidalInteraction

TidalFriction
type: Concept
pref label: FRICCION POR FUERZAS DE MAREA
pref label: FRIZIONE MAREALE @it
pref label: FROTTEMENT DU A L'EFFET DE MAREES @fr
pref label: GEZEITENREIBUNG @de
pref label: TIDAL FRICTION @en
related: CloseBinaryStars
related: EarthMoonSystem
related: InteractingBinaryStars
related: InteractingGalaxies
related: TidalDisruption
related: TidalDistortion
related: TidalInteraction
related: Tides

TidalInteraction
type: Concept
pref label: GEZEITENWECHSELWIRKUNG @de
pref label: INTERACCION DE FUERZAS DE MAREA
pref label: INTERACTION PAR EFFET DE MAREES @fr
pref label: INTERAZIONE MAREALE @it
pref label: TIDAL INTERACTION @en
related: InteractingBinaryStars
related: InteractingGalaxies
related: RocheLobe
related: TidalDisruption
related: TidalDistortion
related: TidalFriction

TidalRadius
type: Concept
pref label: GEZEITENRADIUS @de
pref label: RADIO DE LAS FUERZAS DE MAREA
pref label: RAGGIO MAREALE @it
pref label: RAYON LIMITE PAR EFFET DE MAREE @fr
pref label: TIDAL RADIUS @en
related: StarClusters
related: TidalDisruption

Tides
type: Concept
narrower: AtmosphericTides
narrower: OceanTides
narrower: PolarTides
pref label: GEZEITEN @de
pref label: MAREAS
pref label: MAREE @it
pref label: TIDES @en
related: TidalFriction

Time
type: Concept
alt label: Zeitbestimmung @de
alt label: Zeitmessung @de
alt label: determinacion del tiempo
alt label: determination du temps @fr
alt label: determinazione del tempo @it
alt label: medicion del tiempo
alt label: mesure du temps @fr
alt label: misura del tempo @it
alt label: time determination @en
alt label: time measurement @en
narrower: CivilTime
narrower: DynamicalTime
narrower: EphemerisTime
narrower: MeanSolarTime
narrower: SiderealTime
narrower: UniversalTime
pref label: TEMPO @it
pref label: TEMPS @fr
pref label: TIEMPO
pref label: TIME @en
pref label: ZEIT @de
related: AstrometricInstruments
related: AtomicClocks
related: BesselianEpoch
related: Calendars
related: Chronometers
related: Clocks
related: EarthOrbit
related: EarthRotation
related: Ephemerides
related: Epoch
related: GeneralTheoryOfRelativity
related: GregorianCalendar
related: JulianDate
related: JulianEpoch
related: TransitInstruments
related: TransitTime
related: Year

TimeResolvedSpectroscopy
type: Concept
broader: Spectroscopy
pref label: SPECTROSCOPIE A RESOLUTION TEMPORELLE @fr
pref label: SPETTROSCOPIA CON RISOLUZIONE TEMPORALE @it
pref label: TIME RESOLVED SPECTROSCOPY @en
pref label: ZEITAUFGELOESTE SPEKTROSKOPIE @de
pref label: espectroscopia resuelta en el tiempo
related: HighSpeedPhotometers
related: VariableStars

TimeSignals
type: Concept
pref label: SEGNALI ORARI @it
pref label: SENALES DE TIEMPO
pref label: SIGNAL HORAIRE @fr
pref label: TIME SIGNALS @en
pref label: ZEITSIGNALE / ZEICHEN @de
related: TimeStandards
related: TimeSynchronization

TimeStandards
type: Concept
pref label: ESTANDARES DE TIEMPO
pref label: ETALON DE TEMPS @fr
pref label: STANDARD DI TEMPO @it
pref label: TIME STANDARDS @en
pref label: ZEIT NORMEN @de
related: AtomicClocks
related: Clocks
related: TimeSignals
related: TimeSynchronization

TimeSynchronization
type: Concept
pref label: SINCRONIZACION DEL TIEMPO
pref label: SINCRONIZZAZIONE DEI TEMPI @it
pref label: SYNCHRONISATION DU TEMPS @fr
pref label: TIME SYNCHRONIZATION @en
pref label: ZEITSYNCHRONISIERUNG @de
related: AtomicClocks
related: RadioInterferometry
related: TimeSignals
related: TimeStandards
related: VeryLongBaselineInterferometry

TimingEquipment
type: Concept
alt label: aparatos de medicion del tiempo/de sincronizacion/de temporizacion
alt label: dispositif de mesure du temps @fr
alt label: dispositivi a tempo @it
alt label: timing devices @en
alt label: zeitmessende Geraete @de
narrower: Clocks
narrower: Pendulums
pref label: APPARECCHIATURA A TEMPO @it
pref label: EQUIPEMENT DE MESURE DU TEMPS @fr
pref label: EQUIPO DE MEDICION DE TIEMPO ?
pref label: TIMING EQUIPMENT @en
pref label: ZEITMESSENDE AUSRUESTUNG @de

TipTiltMirrors
type: Concept
pref label: MIROIR STABILISATEUR @fr
pref label: SPECCHI TIP-TILT ? @it
pref label: Spiegel zur Bildstabilisierung @de
pref label: TIP TILT MIRRORS @en
pref label: espejos tip-tilt?
related: ActiveOptics
related: Seeing
related: SegmentedOptics

Topography
type: Concept
pref label: TOPOGRAFIA
pref label: TOPOGRAPHIE @de
pref label: TOPOGRAPHY @en
related: Earth
related: Planets
related: Satellites
related: SurfacesCelestialBodies
scope note: Combine with other terms

Tori
type: Concept
pref label: TORE @fr
pref label: TORI @it
pref label: TOROS
related: CircumstellarDisks
related: InterstellarMatter
scope note: Plural of torus

TotalEclipses
type: Concept
broader: Eclipses
pref label: ECLIPSE TOTALE @fr
pref label: ECLIPSES TOTALES
pref label: ECLISSI TOTALI @it
pref label: TOTAL ECLIPSES @en
pref label: TOTALE FINSTERNIS @de
related: AnnularEclipses
related: EclipsingBinaryStars
related: PartialEclipse
related: Umbra

TraceElements
type: Concept
broader: ChemicalElements
pref label: ELEMENTI IN TRACCE @it
pref label: OLIGOELEMENTOS
pref label: SPURENELEMENTE @de
pref label: TRACE ELEMENTS @en
pref label: TRACEUR @fr
related: MetalAbundance

Tracking
type: Concept
pref label: INSEGUIMENTO @it
pref label: LOCALISATION @fr
pref label: NACHFUEHREN / -UNG @de
pref label: SEGUIMIENTO
pref label: TRACKING @en
related: Autoguiders
related: ControlSystems
related: PointingAccuracy
related: PointingErrors

Trajectories
type: Concept
pref label: BAHNEN @de
pref label: TRAIETTORIE @it
pref label: TRAJECTOIRE @fr
pref label: TRAJECTORIES @en
pref label: TRAYECTORIAS
related: Orbits

TransferFunctions
type: Concept
narrower: ModulationTransferFunction
narrower: OpticalTransferFunction
pref label: FONCTION DE TRANSFERT @fr
pref label: FUNCIONES DE TRANSFERENCIA
pref label: FUNZIONI DI TRASFERIMENTO @it
pref label: TRANSFER FUNCTIONS @en
pref label: UEBERTRAGUNGSFUNKTIONEN @de

TransitCircles
type: Concept
broader: TransitInstruments
pref label: CERCHI MERIDIANI @it
pref label: CERCLE MERIDIEN @fr
pref label: CIRCULOS DE TRANSITO
pref label: MERIDIANKREISE @de
pref label: TRANSIT CIRCLES @en
related: TransitTelescopes

TransitInstruments
type: Concept
broader: AstrometricInstruments
narrower: MeridianCircles
narrower: TransitCircles
narrower: TransitTelescopes
pref label: DURCHGANGSINSTRUMENTE / PASSAGEINSTRUMENTE @de
pref label: INSTRUMENT DES PASSAGES / LUNETTE DE PASSAGE @fr
pref label: INSTRUMENTOS DE TRANSITO
pref label: STRUMENTI DI TRANSITO @it
pref label: TRANSIT INSTRUMENTS @en
related: Astrometry
related: MeridianObservations
related: Time
related: Transits

TransitionProbabilities
type: Concept
pref label: PROBABILIDADES DE TRANSICION
pref label: PROBABILITA DI TRANSIZIONE @it
pref label: PROBABILITE DE TRANSITION @fr
pref label: TRANSITION PROBABILITIES @en
pref label: UEBERGANGSWAHRSCHEINLICH-KEITEN @de
related: LineFormation
related: LineWidths
related: OscillatorStrengths
related: SpectralLines

TransitionRegion
type: Concept
pref label: REGION DE TRANSICION
pref label: REGION DE TRANSITION @fr
pref label: TRANSITION REGION @en
pref label: UBERGANGSREGION /-GEBIET @de
pref label: ZONA DI TRANSIZIONE @it
related: Chromosphere
related: SolarCorona

Transits
type: Concept
pref label: DURCHGAENGE @de
pref label: PASSAGE AU MERIDIEN @fr
pref label: TRANSITI @it
pref label: TRANSITOS
pref label: TRANSITS @en
related: Astrometry
related: Eclipses
related: Occultations
related: TransitInstruments

TransitTelescopes
type: Concept
broader: TransitInstruments
narrower: ZenithTelescopes
pref label: DURCHGANGSTELESKOPE @de
pref label: TELESCOPE MERIDIENNE / LUNETTE MERIDIENNE @fr
pref label: TELESCOPI DI TRANSITO @it
pref label: TELESCOPIOS DE TRANSITO
pref label: TRANSIT TELESCOPES @en
related: MeridianObservations
related: TransitCircles
related: TransitTime

TransitTime
type: Concept
pref label: TEMPO DI TRANSITO @it
pref label: TEMPS DE PASSAGE [AU MERIDIEN] @fr
pref label: TIEMPO DE TRANSITO
pref label: TRANSIT TIME @en
pref label: ZEIT DES (MERIDIAN)-DURCHGANGS @de
related: HourAngle
related: MeridianObservations
related: RightAscension
related: SiderealTime
related: Time
related: TransitTelescopes

Transmission
type: Concept
pref label: TRANSMISION
pref label: TRANSMISSION @fr
pref label: TRASMISSIONE @it
pref label: UEBERTRAGUNG @de
related: Absorption
related: Optics
related: Reflection
related: Refraction
related: Transparency
scope note: Combine with other terms

TransmissionGratings
type: Concept
broader: DiffractionGratings
narrower: ObjectiveGratings
pref label: REDES DE TRANSMISION
pref label: RESEAU PAR TRANSMISSION @fr
pref label: RETICOLI A TRASMISSIONE @it
pref label: TRANSMISSION GRATINGS @en
pref label: TRANSMISSIONSGITTER @de
related: EchelleGratings
related: Grisms
related: ReflectionGratings

Transparency
type: Concept
pref label: TRANSPARENCE @fr
pref label: TRANSPARENCIA
pref label: TRANSPARENCY @en
pref label: TRANSPARENZ / DURCHSICHTIGKEIT @de
pref label: TRASPARENZA @it
related: AbsorptionCoefficient
related: AtmosphericWindows
related: Opacity
related: Transmission

TransplutonianPlanets
type: Concept
pref label: PIANETI TRANSPLUTONIANI @it
pref label: PLANETAS TRANSPLUTONIANOS
pref label: PLANETE TRANSPLUTONIENNE @fr
pref label: TRANSPLUTONIAN PLANETS @en
pref label: TRANSPLUTONISCHE PLANETEN @de
related: SolarSystem

TransportProcesses
type: Concept
pref label: PROCESOS DE TRANSPORTE
pref label: PROCESSI DI TRASPORTO @it
pref label: PROCESSUS DE TRANSPORT @fr
pref label: TRANSPORT PROCESSES @en
pref label: TRANSPORTPROZESSE @de
related: RadiativeTransfer

TransverseVelocity
type: Concept
broader: Velocity
pref label: TRANSVERSALE GESCHWINDIGKEIT @de
pref label: TRANSVERSE VELOCITY @en
pref label: VELOCIDAD TRANSVERSAL
pref label: VELOCITA TRASVERSA @it
pref label: VITESSE TRANSVERSALE @fr
related: ProperMotions
related: RadialVelocity
related: SpaceMotion

TrigonometricParallax
type: Concept
broader: Parallaxes
pref label: PARALAJES TRIGONOMETRICAS
pref label: PARALLASSE TRIGONOMETRICA @it
pref label: PARALLAXE TRIGONOMETRIQUE @fr
pref label: TRIGONOMETRIC PARALLAX @en
pref label: TRIGONOMETRISCHE PARALLAXE @de
related: AstronomicalUnit
related: Distance
related: NearbyStars

TrojanGroup
type: Concept
broader: MinorPlanetFamilies
pref label: GROUPE TROYEN @fr
pref label: GRUPO TROYANO
pref label: GRUPPO TROIANO @it
pref label: TROJAN GROUP @en
pref label: TROJANER ASTEROIDENGRUPPE @de
related: AmorGroup
related: ApolloGroup

TropicalYear
type: Concept
broader: Year
pref label: ANNEE TROPIQUE @fr
pref label: ANNO TROPICO @it
pref label: ANO TROPICO
pref label: TROPICAL YEAR @en
pref label: TROPISCHES JAHR @de
related: EarthOrbit

TropicOfCancer
type: Concept
pref label: TROPIC OF CANCER @en
pref label: TROPICO DE CANCER
pref label: TROPICO DEL CANCRO @it
pref label: TROPIQUE DU CANCER @fr
pref label: WENDEKREIS DES KREBSES @de
related: Solstices
related: SummerSolstice
related: TropicOfCapricorn

TropicOfCapricorn
type: Concept
pref label: TROPIC OF CAPRICORN @en
pref label: TROPICO DE CAPRICORNIO
pref label: TROPICO DEL CAPRICORNO @it
pref label: TROPIQUE DU CAPRICORNE @fr
pref label: WENDEKREIS DES STEINBOCKS @de
related: Solstices
related: TropicOfCancer
related: WinterSolstice

Tropopause
type: Concept
pref label: TROPOPAUSA
pref label: TROPOPAUSE @de
related: EarthAtmosphere
related: Stratosphere
related: Troposphere

Troposphere
type: Concept
pref label: TROPOSFERA
pref label: TROPOSPHAERE @de
pref label: TROPOSPHERE @fr
related: Earth
related: EarthAtmosphere
related: Exosphere
related: Tropopause

TruePositions
type: Concept
broader: Positions
pref label: POSICIONES VERDADERAS
pref label: POSITION VRAIE @fr
pref label: POSIZIONI VERE @it
pref label: TRUE POSITIONS @en
pref label: WAHRE POSITIONEN @de
related: ApparentPositions
related: Astrometry
related: CoordinateSystems

TTauriStars
type: Concept
alt label: YY Orionis-Sterne @de
alt label: estrellas yy orionis
alt label: etoile yy orionis @fr
alt label: stelle yy orionis @it
alt label: yy orionis stars @en
broader: EmissionLineStars
broader: IrregularVariableStars
broader: PremainsequenceStars
narrower: FuOrionisStars
pref label: ESTRELLAS T TAURI
pref label: ETOILES T TAURI @fr
pref label: STELLE T TAURI @it
pref label: T TAURI STARS @en
pref label: T TAURI-STERNE @de
related: EmissionNebulae
related: HerbigHaroObjects
related: Protostars
related: RwAurigaeStars
related: TAssociations

TullyFisherRelation
type: Concept
pref label: RELACION DE TULLY FISHER
pref label: RELATION DE TULLY-FISHER @fr
pref label: RELAZIONE DI TULLY FISHER @it
pref label: TULLY FISHER RELATION @en
pref label: TULLY-FISCHER-BEZIEHUNG @de
related: Cosmology
related: Galaxies
related: LineWidths
related: Redshift

Turbidity
type: Concept
pref label: TORBIDITA @it
pref label: TRUEBUNG @de
pref label: TURBIDEZ
pref label: TURBIDITE @fr
pref label: TURBIDITY @en
related: Halation
related: PhotographicEmulsions

TurbulenceEarthAtmosphere
type: Concept
narrower: Macroturbulence
narrower: Microturbulence
pref label: TURBOLENZA [ATMOSFERA TERRESTRE] @it
pref label: TURBULENCE @fr
pref label: TURBULENCE [EARTH ATMOSPHERE] @en
pref label: TURBULENCIA (ATMOSFERA TERRESTRE)
pref label: TURBULENZ @de
related: Convection
related: EarthAtmosphere
related: PointSpreadFunction
related: Scintillation
related: Seeing
related: ThermalInstability
related: ThermalStructure
scope note: In earth's atmosphere

TurbulenceStarAtmosphere
type: Concept
narrower: Macroturbulence
narrower: Microturbulence
pref label: TURBOLENZA [ATMOSFERA STELLARE] @it
pref label: TURBULENCE @fr
pref label: TURBULENCE [STAR ATMOSPHERE] @en
pref label: TURBULENCIA [ATMOSFERA ESTELAR]
pref label: TURBULENZ [STERNATMOSPHAERE] @de
related: Convection
related: LineBroadening
related: StellarAtmospheres
related: ThermalInstability
related: ThermalStructure
scope note: In stellar atmospheres or in interstellar matter.

TurnoffPoint
type: Concept
pref label: COUDE VERS LES GEANTES @fr
pref label: PUNTO DE DESVIO
pref label: PUNTO DI TURNOFF @it
pref label: TURNOFF POINT @en
pref label: WENDEPUNKT / ABKNICKPUNKT @de
related: Age
related: GiantBranch
related: GlobularStarClusters
related: HertzsprungRussellDiagram
related: Mainsequence
related: OpenStarClusters

Twilight
type: Concept
pref label: CREPUSCOLO @it
pref label: CREPUSCULE @fr
pref label: CREPUSCULO
pref label: DAEMMERUNG @de
pref label: TWILIGHT @en
related: EarthAtmosphere
related: SkyBrightness
related: Sunlight

TwoBodyProblem
type: Concept
pref label: PROBLEMA DE DOS CUERPOS
pref label: PROBLEMA DEI DUE CORPI @it
pref label: PROBLEME DES DEUX CORPS @fr
pref label: TWO BODY PROBLEM @en
pref label: ZWEIKOERPERPROBLEM @de
related: BinaryStars
related: CelestialMechanics
related: EarthMoonSystem
related: NBodyProblem
related: Planets
related: StellarDynamics
related: ThreeBodyProblem

TwoColorDiagrams
type: Concept
pref label: DIAGRAMAS DE DOS COLORES
pref label: DIAGRAMME EN DEUX COULEURS @fr
pref label: DIAGRAMMI A DUE COLORI @it
pref label: TWO COLOR DIAGRAMS @en
pref label: ZWEIFARBENDIAGRAMME @de
related: ColorIndices
related: Photometry

TwoColorPhotometry
type: Concept
broader: BroadBandPhotometry
pref label: FOTOMETRIA A DUE COLORI @it
pref label: FOTOMETRIA DE DOS COLORES
pref label: PHOTOMETRIE EN DEUX COULEURS @fr
pref label: TWO COLOR PHOTOMETRY @en
pref label: ZWEIFARBENPHOTOMETRIE @de
related: BvPhotometry
related: JohnsonPhotometry

TwoDimensionalDetectors
type: Concept
broader: Detectors
narrower: CcdDetectors
narrower: ImageTubes
narrower: TelevisionDetectors
pref label: DETECTEUR BIDIMENSIONNEL @fr
pref label: DETECTORES BIDIMENSIONALES
pref label: RIVELATORI BIDIMENSIONALI @it
pref label: TWO DIMENSIONAL DETECTORS @en
pref label: ZWEIDIMENSIONALE DETEKTOREN @de
related: ChargeCoupledDevices
related: ChargeInjectionDevices
related: ChargeTransferDevices
related: FlatFields
related: ImageProcessing
related: Pixel
related: TelevisionCameras

TwoDimensionalSpectra
type: Concept
broader: Spectra
pref label: ESPECTROS BIDIMENSIONALES
pref label: SPECTRE BIDIMENSIONNEL @fr
pref label: SPETTRI BIDIMENSIONALI @it
pref label: TWO DIMENSIONAL SPECTRA @en
pref label: ZWEIDIMENSIONALE SPEKTREN @de
related: ExtendedObjects
related: LongSlitSpectra
related: TwoDimensionalSpectroscopy

TwoDimensionalSpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA BIDIMENSIONAL
pref label: SPECTROSCOPIE BIDIMENSIONNELLE @fr
pref label: SPETTROSCOPIA BIDIMENSIONALE @it
pref label: TWO DIMENSIONAL SPECTROSCOPY @en
pref label: ZWEIDIMENSIONALE SPEKTROSKOPIE @de
related: TwoDimensionalSpectra

TwoSpectrumBinaryStars
type: Concept
alt label: binaire spectroscopique @fr
alt label: estrellas binarias espectroscopicas
alt label: spectrum binary stars @en
alt label: spektroskopische Doppelsterne @de
alt label: stelle binarie nello spettro @it
broader: SpectroscopicBinaryStars
pref label: BINAIRE A SPECTRE DOUBLE @fr
pref label: ESTRELLAS BINARIAS DE ESPECTRO DOBLE
pref label: STELLE BINARIE A DOPPIO SPETTRO @it
pref label: TWO SPECTRUM BINARY STARS @en
pref label: ZWEI-SPEKTREN-DOPPELSTERNE @de

UbvrijklPhotometry
type: Concept
alt label: UBVRI photometry @en
alt label: UBVRI-Photometrie @de
alt label: fotometria UBVRI
alt label: photometrie UBVRI @fr
broader: BroadBandPhotometry
pref label: FOTOMETRIA UBVRIJKL @it
pref label: PHOTOMETRIE UBVRIJKL @fr
pref label: UBVRIJKL PHOTOMETRY @en
pref label: UBVRIJKL-PHOTOMETRIE @de
pref label: fotometria UBVRIJKL
related: JohnsonPhotometry

UGeminorumStars
type: Concept
alt label: Zwergnovae @de
alt label: dwarf novas @en
alt label: nova naine @fr
alt label: novas enanas
alt label: stelle novae nane @it
broader: CataclysmicVariableStars
broader: CloseBinaryStars
broader: EruptiveBinaryStars
narrower: SsCygniStars
narrower: SuUrsaeMajorisStars
narrower: SxArietisStars
narrower: WzSagittaeStars
pref label: ESTRELLAS U GEMINORUM
pref label: ETOILES U GEMINORUM @fr
pref label: STELLE U GEMINORUM @it
pref label: U GEMINORUM STARS @en
pref label: U GEMINORUM-STERNE @de
related: AccretionDisks
related: AmCanumVenaticorumStars
related: EmissionLineStars
related: UvPerseiStars
related: UxUrsaeMajorisStars
related: XRayBinaryStars
related: ZCamelopardalisStars

Ultraviolet
type: Concept
alt label: uv
pref label: ULTRAVIOLET @fr
pref label: ULTRAVIOLETA
pref label: ULTRAVIOLETT @de
pref label: ULTRAVIOLETTO @it
scope note: Combine with other terms

UltravioletAstronomy
type: Concept
alt label: UV-Astronomie @de
alt label: astronomia uv
alt label: astronomie uv @fr
alt label: uv astronomy @en
broader: SpaceAstronomy
pref label: ASTRONOMIA ULTRAVIOLETA
pref label: ASTRONOMIA ULTRAVIOLETTA @it
pref label: ASTRONOMIE EN ULTRAVIOLET @fr
pref label: ULTRAVIOLET ASTRONOMY @en
pref label: ULTRAVIOLETT-ASTRONOMIE @de
related: BalloonBorneInstruments
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceObservatories
related: UltravioletTelescopes

UltravioletBackground
type: Concept
broader: BackgroundRadiation
broader: UltravioletRadiation
pref label: FOND ULTRAVIOLET @fr
pref label: FONDO ULTRAVIOLETA
pref label: FONDO ULTRAVIOLETTO @it
pref label: ULTRAVIOLET BACKGROUND @en
pref label: ULTRAVIOLETT-HINTERGRUND @de
related: GammaRayBackground
related: MicrowaveBackground
related: RadioBackground
related: XRayBackground

UltravioletCameras
type: Concept
broader: Cameras
pref label: CAMARAS ULTRAVIOLETA
pref label: CAMERA POUR L'ULTRAVIOLET @fr
pref label: CAMERE ULTRAVIOLETTE @it
pref label: ULTRAVIOLET CAMERAS @en
pref label: ULTRAVIOLETT-KAMERAS @de

UltravioletColors
type: Concept
pref label: COLORES ULTRAVIOLETA
pref label: COLORI ULTRAVIOLETTI @it
pref label: INDICE DE COULEUR DANS L'ULTRAVIOLET @fr
pref label: ULTRAVIOLET COLORS @en
pref label: ULTRAVIOLETT-FARBEN @de
related: UltravioletPhotometry

UltravioletContinuum
type: Concept
broader: ContinuumRadiation
broader: UltravioletRadiation
pref label: CONTINU ULTRAVIOLET @fr
pref label: CONTINUO ULTRAVIOLETA
pref label: CONTINUO ULTRAVIOLETTO @it
pref label: ULTRAVIOLET CONTINUUM @en
pref label: ULTRAVIOLETT-KONTINUUM @de

UltravioletDetectors
type: Concept
broader: Detectors
pref label: DETECTEUR ULTRAVIOLET @fr
pref label: DETECTORES ULTRAVIOLETA
pref label: RIVELATORI ULTRAVIOLETTI @it
pref label: ULTRAVIOLET DETECTORS @en
pref label: ULTRAVIOLETT-DETEKTOREN @de
related: Photometers

UltravioletExcessStars
type: Concept
alt label: UV-Exzess-Sterne @de
alt label: estrellas con exceso uv
alt label: etoile a exces d'uv @fr
alt label: stelle con eccesso uv @it
alt label: uv excess stars @en
narrower: RwAurigaeStars
pref label: ESTRELLAS CON EXCESO ULTRAVIOLETA
pref label: ETOILE A EXCES D' ULTRAVIOLET @fr
pref label: STELLE CON ECCESSO ULTRAVIOLETTO @it
pref label: ULTRAVIOLET EXCESS STARS @en
pref label: ULTRAVIOLETTEXZESS-STERNE @de
related: MetalDeficientStars
related: MetalPoorStars

UltravioletExtinction
type: Concept
pref label: ESTINZIONE ULTRAVIOLETTA @it
pref label: EXTINCION ULTRAVIOLETA
pref label: EXTINCTION DANS L' ULTRAVIOLET @fr
pref label: ULTRAVIOLET EXTINCTION @en
pref label: ULTRAVIOLETT-EXTINKTION @de
related: AtmosphericExtinction
scope note: In earth's atmosphere.

UltravioletFilters
type: Concept
pref label: FILTRE ULTRAVIOLET @fr
pref label: FILTRI ULTRAVIOLETTI @it
pref label: FILTROS ULTRAVIOLETA
pref label: ULTRAVIOLET FILTERS @en
pref label: ULTRAVIOLETT-FILTER @de
related: InterferenceFilters
related: OpticalFilters

UltravioletLines
type: Concept
broader: SpectralLines
pref label: LINEAS ULTRAVIOLETA
pref label: RAIE DANS L'ULTRAVIOLET @fr
pref label: RIGHE ULTRAVIOLETTE @it
pref label: ULTRAVIOLET LINES @en
pref label: ULTRAVIOLETTLINIEN @de
related: LineSpectra

UltravioletLuminosity
type: Concept
broader: Luminosity
pref label: LUMINOSIDAD ULTRAVIOLETA
pref label: LUMINOSITA ULTRAVIOLETTA @it
pref label: LUMINOSITE DANS L'ULTRAVIOLET @fr
pref label: ULTRAVIOLET LUMINOSITY @en
pref label: ULTRAVIOLETTLEUCHTKRAFT @de

UltravioletPhotography
type: Concept
broader: Photography
pref label: FOTOGRAFIA ULTRAVIOLETA
pref label: FOTOGRAFIA ULTRAVIOLETTA @it
pref label: PHOTOGRAPHIE DANS L' ULTRAVIOLET @fr
pref label: ULTRAVIOLET PHOTOGRAPHY @en
pref label: ULTRAVIOLETT-PHOTOGRAPHIE @de
related: Cameras

UltravioletPhotometry
type: Concept
broader: BroadBandPhotometry
broader: MediumBandPhotometry
broader: Photometry
pref label: FOTOMETRIA ULTRAVIOLETA
pref label: FOTOMETRIA ULTRAVIOLETTA @it
pref label: PHOTOMETRIE DANS L'ULTRAVIOLET @fr
pref label: ULTRAVIOLET PHOTOMETRY @en
pref label: ULTRAVIOLETT-PHOTOMETRIE @de
related: UMagnitude
related: UltravioletColors
related: UltravioletRadiation

UltravioletRadiation
type: Concept
alt label: Ultraviolettes Licht @de
alt label: luce ultravioletta @it
alt label: lumiere ultraviolette @fr
alt label: luz ultravioleta
alt label: ultraviolet light @en
broader: ElectromagneticWaves
broader: Radiation
narrower: ExtremeUltravioletRadiation
narrower: FarUltravioletRadiation
narrower: NearUltravioletRadiation
narrower: UltravioletBackground
narrower: UltravioletContinuum
pref label: RADIACION ULTRAVIOLETA
pref label: RADIAZIONE ULTRAVIOLETTA @it
pref label: RAYONNEMENT ULTRAVIOLET @fr
pref label: ULTRAVIOLET RADIATION @en
pref label: ULTRAVIOLETT-STRAHLUNG @de
related: BlackBodyRadiation
related: CerenkovRadiation
related: LineBlanketing
related: LymanContinuum
related: LymanSeries
related: UltravioletPhotometry
related: UltravioletSpectrographs

UltravioletSources
type: Concept
alt label: OBJET ULTRAVIOLET @fr
alt label: OBJETOS ULTRAVIOLETA
alt label: Ultraviolett-Objekte @de
alt label: oggetti ultravioletti @it
alt label: ultraviolet objects @en
narrower: EarlyTypeStars
pref label: FUENTES ULTRAVIOLETA
pref label: SORGENTI ULTRAVIOLETTE @it
pref label: SOURCE D' ULTRAVIOLET @fr
pref label: ULTRAVIOLET SOURCES @en
pref label: ULTRAVIOLETT-QUELLEN @de

UltravioletSpectrographs
type: Concept
broader: Spectrographs
pref label: ESPECTROGRAFOS ULTRAVIOLETA
pref label: SPECTROGRAPHE POUR L'ULTRAVIOLET @fr
pref label: SPETTROGRAFI ULTRAVIOLETTI @it
pref label: ULTRAVIOLET SPECTROGRAPHS @en
pref label: ULTRAVIOLETT-SPEKTROGRAPHEN @de
related: UltravioletRadiation

UltravioletSurveys
type: Concept
broader: Surveys
pref label: RECONOCIMIENTOS ULTRAVIOLETA
pref label: RELEVE ULTRAVIOLET @fr
pref label: SURVEY ULTRAVIOLETTE @it
pref label: ULTRAVIOLET SURVEYS @en
pref label: ULTRAVIOLETT-DURCHMUSTERUNGEN @de
related: Catalogs

UltravioletTelescopes
type: Concept
broader: SpaceTelescopes
pref label: TELESCOPE POUR L'ULTRAVIOLET @fr
pref label: TELESCOPI ULTRAVIOLETTI @it
pref label: TELESCOPIOS ULTRAVIOLETA
pref label: ULTRAVIOLET TELESCOPES @en
pref label: ULTRAVIOLETT-TELESKOPE @de
related: UltravioletAstronomy

UMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD U
pref label: MAGNITUDE U @fr
pref label: MAGNITUDINE U @it
pref label: U MAGNITUDE @en
pref label: U-HELLIGKEIT @de
related: JohnsonPhotometry
related: UltravioletPhotometry

Umbra
type: Concept
pref label: OMBRA @it
pref label: OMBRE @fr
pref label: SOMBRAS
pref label: UMBRA @de
related: Eclipses
related: LunarEclipse
related: Penumbra
related: SolarEclipse
related: Sunspots
related: TotalEclipses
related: WilsonEffect
related: ZoneOfTotality

Units
type: Concept
pref label: EINHEITEN @de
pref label: UNIDADES
pref label: UNITA @it
pref label: UNITE @fr
pref label: UNITS @en
related: Metrology
related: Symbols
scope note: Of measurement.

UniversalTime
type: Concept
broader: Time
pref label: TEMPO UNIVERSALE @it
pref label: TEMPS UNIVERSEL @fr
pref label: TIEMPO UNIVERSAL
pref label: UNIVERSAL TIME @en
pref label: WELTZEIT @de
related: CivilTime
related: EphemerisTime
related: MeanSolarTime
related: SolarDay
related: Year

Universe
type: Concept
alt label: Kosmos @de
alt label: cosmo @it
alt label: cosmos
pref label: UNIVERS @fr
pref label: UNIVERSE @en
pref label: UNIVERSO
pref label: UNIVERSUM @de
related: Cosmogony
related: Cosmology
related: LargeScaleStructure
related: Metagalaxy
scope note: See also under COSMOLOGY

UnsharpMasking
type: Concept
pref label: BEHANDLUNG MIT EINER EINER UNSCHARFEN MASKE @de
pref label: ENMASCARADO FUERA DE FOCO
pref label: MASQUAGE FLOU @fr
pref label: UNSHARP MASKING @en
pref label: UNSHARP MASKING? @it
related: PhotographicProcessing
related: Photography

UpperAtmosphere
type: Concept
pref label: ATMOSFERA SUPERIOR
pref label: ATMOSFERA SUPERIORE @it
pref label: HAUTE ATMOSPHERE @fr
pref label: OBERE ATMOSPHAERE @de
pref label: UPPER ATMOSPHERE @en
related: Auroras
related: EarthAtmosphere
related: Exosphere
related: Ionosphere
related: Magnetosphere
related: Mesosphere
related: Thermosphere
related: VanAllenRadiationBelts
scope note: Earth's atmosphere.

UpsilonSagittariiStars
type: Concept
broader: EclipsingBinaryStars
pref label: ESTRELLAS UPSILON SAGITTARII
pref label: ETOILES UPSILON SAGITTARII @fr
pref label: STELLE UPSILON SAGITTARII @it
pref label: UPSILON SAGITTARII STARS @en
pref label: YPSILON SAGITTARII-STERNE @de

UrcaProcesses
type: Concept
broader: NuclearReactions
pref label: PROCESOS URCA
pref label: PROCESSI URCA @it
pref label: PROCESSUS URCA @fr
pref label: URCA PROCESSES @en
pref label: URCA PROZESSE @de

UuHerculisStars
type: Concept
broader: CataclysmicVariableStars
pref label: ESTRELLAS UU HERCULIS
pref label: ETOILES UU HERCULIS @fr
pref label: STELLE UU HERCULIS @it
pref label: UU HERCULIS STARS @en
pref label: UU HERCULIS-STERNE @de

UvCetiStars
type: Concept
broader: FlareStars
broader: VariableSources
pref label: ESTRELLAS UV CETI
pref label: ETOILES UV CETI @fr
pref label: STELLE UV CETI @it
pref label: UV CETI STARS @en
pref label: UV CETI-STERNE @de
related: FlashStars

UvPerseiStars
type: Concept
broader: CataclysmicVariableStars
pref label: ESTRELLAS UV PERSEI
pref label: ETOILES UV PERSEI @fr
pref label: STELLE UV PERSEI @it
pref label: UV PERSEI STARS @en
pref label: UV PERSEI-STERNE @de
related: UGeminorumStars

UxUrsaeMajorisStars
type: Concept
alt label: Nova-aehnliche Veraenderliche @de
alt label: estrellas variables tipo nova
alt label: etoile variable de type nova @fr
alt label: nova like variable stars @en
alt label: stelle variabili tipo nova @it
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
pref label: ESTRELLAS UX URSAE MAJORIS
pref label: ETOILES UX URSAE MAJORIS @fr
pref label: STELLE UX URSAE MAJORIS @it
pref label: UX URSAE MAJORIS STARS @en
pref label: UX URSAE MAJORIS-STERNE @de
related: SuUrsaeMajorisStars
related: UGeminorumStars
related: WhiteDwarfStars
related: ZCamelopardalisStars

Vacuum
type: Concept
pref label: VACIO
pref label: VACUUM @en
pref label: VAKUUM @de
pref label: VIDE @fr
pref label: VUOTO @it
related: Pressure
related: Space

VacuumTechniques
type: Concept
pref label: TECHNIQUE DU VIDE @fr
pref label: TECNICAS DE VACIO
pref label: TECNICHE DEL VUOTO @it
pref label: VACUUM TECHNIQUES @en
pref label: VAKUUMTECHNIKEN @de
related: Aluminizing
related: AluminumCoatings
related: Outgassing
related: ThinFilms
related: VaporDeposition

VanAllenRadiationBelts
type: Concept
broader: RadiationBelts
pref label: CEINTURE DE RADIATIONS DE VAN ALLEN @fr
pref label: CINTURONES DE RADIACION DE VAN ALLEN
pref label: FASCE DI RADIAZIONE DI VAN ALLEN @it
pref label: VAN ALLEN RADIATION BELTS @en
pref label: VAN ALLEN-STRAHLUNGSGUERTEL @de
related: Magnetohydrodynamics
related: UpperAtmosphere

VaporDeposition
type: Concept
pref label: ABSCHEIDUNG AUS DER DAMPFPHASE @de
pref label: DEPOSICION DE VAPOR
pref label: DEPOSIZIONE PER VAPORIZZAZIONE @it
pref label: DEPOT DE VAPEUR @fr
pref label: VAPOR DEPOSITION @en
related: AluminumCoatings
related: Coatings
related: ThinFilms
related: VacuumTechniques

Variability
type: Concept
pref label: VARIABILIDAD
pref label: VARIABILITA @it
pref label: VARIABILITE @fr
pref label: VARIABILITY @en
pref label: VERAENDERLICHKEIT @de
scope note: Combine with other terms

VariableSources
type: Concept
broader: RadioSources
narrower: ActiveGalacticNuclei
narrower: BlLacertaeObjects
narrower: UvCetiStars
pref label: FUENTES VARIABLES
pref label: SORGENTI VARIABILI @it
pref label: SOURCE VARIABLE @fr
pref label: VARIABLE SOURCES @en
pref label: VERAENDERLICHE QUELLEN @de
related: Quasars

VariableStars
type: Concept
narrower: CataclysmicVariableStars
narrower: EclipsingBinaryStars
narrower: EllipsoidalVariableStars
narrower: IntrinsicVariableStars
narrower: IrregularVariableStars
narrower: PeculiarVariableStars
narrower: PulsatingVariableStars
narrower: SemiregularVariableStars
pref label: ESTRELLAS VARIABLES
pref label: ETOILE VARIABLE @fr
pref label: STELLE VARIABILI @it
pref label: VARIABLE STARS @en
pref label: VERAENDERLICHE STERNE @de
related: Amplitudes
related: ComparisonStars
related: FundamentalFrequency
related: HAlphaEmissionLineStars
related: HeIonizationZone
related: HighSpeedPhotometers
related: LightCurves
related: Maxima
related: Minima
related: OhIrStars
related: Period
related: PeriodDetermination
related: PhaseShift
related: PhaseWave
related: PurkinjeEffect
related: TimeResolvedSpectroscopy
related: VelocityCurves
related: VisualObservations
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

Velocity
type: Concept
narrower: AngularVelocity
narrower: EscapeVelocity
narrower: HeliocentricVelocity
narrower: OrbitalVelocity
narrower: ParabolicVelocity
narrower: PeculiarVelocity
narrower: RadialVelocity
narrower: RelativisticVelocity
narrower: TangentialVelocity
narrower: TransverseVelocity
pref label: GESCHWINDIGKEIT @de
pref label: VELOCIDAD
pref label: VELOCITA @it
pref label: VELOCITY @en
pref label: VITESSE @fr
related: HighVelocityClouds
related: HighVelocityStars
related: Kinematics
related: Momentum
related: VelocityCurves
related: VelocityDistribution
related: VelocityEllipsoid
related: VelocityField
related: VelocitySpace
scope note: Combine with other terms

VelocityCurves
type: Concept
pref label: COURBE DE VITESSE @fr
pref label: CURVAS DE VELOCIDAD
pref label: CURVE DI VELOCITA @it
pref label: GESCHWINDIGKEITSKURVEN @de
pref label: VELOCITY CURVES @en
related: LightCurves
related: Maxima
related: Minima
related: Period
related: PhaseShift
related: PhaseWave
related: SpectroscopicBinaryStars
related: VariableStars
related: Velocity

VelocityDispersion
type: Concept
pref label: DISPERSION DE VELOCIDADES
pref label: DISPERSION DES VITESSES @fr
pref label: DISPERSIONE DI VELOCITA @it
pref label: GESCHWINDIGKEITSSTREUUNG @de
pref label: VELOCITY DISPERSION @en
related: ClustersOfGalaxies
related: MissingMass
related: StarClusters
related: VirialTheorem

VelocityDistribution
type: Concept
pref label: DISTRIBUCION DE VELOCIDADES
pref label: DISTRIBUTION DES VITESSES @fr
pref label: DISTRIBUZIONE DI VELOCITA @it
pref label: GESCHWINDIGKEITSVERTEILUNG @de
pref label: VELOCITY DISTRIBUTION @en
related: ClustersOfGalaxies
related: StarClusters
related: Velocity
related: VirialTheorem

VelocityEllipsoid
type: Concept
pref label: ELIPSOIDE DE VELOCIDADES
pref label: ELLIPSOIDE DES VITESSES @fr
pref label: ELLISSOIDE DI VELOCITA @it
pref label: GESCHWINDIGKEITSELLIPSOID @de
pref label: VELOCITY ELLIPSOID @en
related: Velocity

VelocityField
type: Concept
pref label: CAMPO DE VELOCIDADES
pref label: CAMPO DI VELOCITA @it
pref label: CHAMP DE VITESSES @fr
pref label: GESCHWINDIGKEITSFELD @de
pref label: VELOCITY FIELD @en
related: Galaxies
related: ShockWaves
related: Velocity
scope note: Combine with other terms

VelocityOfLight
type: Concept
alt label: Lichtgeschwindigkeit @de
alt label: speed of light @en
alt label: velocidad de la luz
alt label: velocita della luce @it
alt label: vitesse de la lumiere @fr
pref label: LICHTGESCHWINDIGKEIT @de
pref label: VELOCIDAD DE LA LUZ
pref label: VELOCITA DELLA LUCE @it
pref label: VELOCITY OF LIGHT @en
pref label: VITESSE DE LA LUMIERE @fr
related: ApparentSuperluminalMotion
related: Ergosphere
related: EventHorizon
related: LightCone
related: LightYear

VelocitySpace
type: Concept
pref label: ESPACE DES VITESSES @fr
pref label: ESPACIO DE VELOCIDADES
pref label: GESCHWINDIGKEITSRAUM @de
pref label: SPAZIO DELLE VELOCITA @it
pref label: VELOCITY SPACE @en
related: PhaseSpace
related: Velocity

Ventilation
type: Concept
pref label: VENTILACION
pref label: VENTILATION @fr
pref label: VENTILATION / LUEFTUNG @de
pref label: VENTILAZIONE @it
related: AirConditioning
related: DomeSeeing
related: Domes
related: TemperatureControl
scope note: Combine with other terms

VernalEquinox
type: Concept
broader: Equinoxes
pref label: EQUINOCCIO VERNAL
pref label: EQUINOXE DE PRINTEMPS @fr
pref label: EQUINOZIO DI PRIMAVERA @it
pref label: FRUEHLINGSTAGUND-NACHTGLEICHE @de
pref label: VERNAL EQUINOX @en
related: AutumnalEquinox

VerticalCircles
type: Concept
pref label: CERCLE VERTICAL @fr
pref label: CIRCOLI VERTICALI @it
pref label: CIRCULOS VERTICALES
pref label: VERTICAL CIRCLES @en
pref label: VERTIKALKREISE @de
related: AltazimuthMounting
related: MeridianCircles

VeryLargeArrays
type: Concept
alt label: vla
broader: Arrays
broader: RadioTelescopes
pref label: (VERY LARGE ARRAYS) @de
pref label: ORDENAMIENTO MUCHO GRANDE [DE ANTENNAS] ?
pref label: TRES GRAND RESEAU @fr
pref label: VERY LARGE ARRAY @it
pref label: VERY LARGE ARRAYS @en
related: Interferometers
related: VeryLongBaselineInterferometers

VeryLargeTelescopes
type: Concept
broader: NewTechnologyTelescopes
broader: OpticalTelescopes
pref label: SEHR GROSSE TELESKOPE @de
pref label: TELESCOPES TRES GRAND @fr
pref label: TELESCOPI MOLTO GRANDI @it
pref label: TELESCOPIOS MUCHO GRANDE ?
pref label: VERY LARGE TELESCOPES @en
related: MultipleMirrorTelescopes
related: SegmentedOptics

VeryLongBaselineInterferometers
type: Concept
alt label: vlbi
broader: Interferometers
broader: RadioInterferometers
pref label: INTERFEROMETER MIT SEHR LANGER BASISLAENGE @de
pref label: INTERFEROMETRE A TRES GRANDE BASE @fr
pref label: INTERFEROMETRI A LUNGHISSIMA BASE @it
pref label: INTERFEROMETROS DE LINEA DE BASE MUY LARGA
pref label: VERY LONG BASELINE INTERFEROMETERS @en
related: LongBaselineInterferometers
related: VeryLargeArrays

VeryLongBaselineInterferometry
type: Concept
alt label: vlbi
broader: Interferometry
broader: RadioInterferometry
pref label: INTERFEROMETRIA A LUNGHISSIMA BASE @it
pref label: INTERFEROMETRIA DE LINEA DE BASE MUY LARGA
pref label: INTERFEROMETRIE A TRES GRANDE BASE @fr
pref label: INTERFEROMETRIE MIT SEHR LANGER BASISLAENGE @de
pref label: VERY LONG BASELINE INTERFEROMETRY @en
related: AtomicClocks
related: LongBaselineInterferometry
related: RadioAstrometry
related: TimeSynchronization

Vibration
type: Concept
pref label: SCHWINGUNG @de
pref label: VIBRACION
pref label: VIBRATION @fr
pref label: VIBRAZIONE @it
related: Amplitudes
related: Antinodes
related: Nodes
related: Seismology
related: Stability

VibrationalSpectra
type: Concept
broader: Spectra
pref label: ESPECTROS VIBRACIONALES
pref label: SCHWINGUNGSSPEKTREN @de
pref label: SPECTRE DE VIBRATION @fr
pref label: SPETTRI VIBRAZIONALI @it
pref label: VIBRATIONAL SPECTRA @en
related: MolecularSpectra
related: QBranch

Vignetting
type: Concept
pref label: SILHOUETTAGE @fr
pref label: VIGNETTATURA @it
pref label: VIGNETTIERUNG / ABSCHATTUNG @de
pref label: VIGNETTING @en
pref label: VINETEO
related: FieldOfView
related: Telescopes
related: WideFieldTelescopes

VilniusPhotometry
type: Concept
broader: MediumBandPhotometry
pref label: FOTOMETRIA DE VILNIUS
pref label: FOTOMETRIA DI VILNIUS @it
pref label: PHOTOMETRIE DE VILNIUS @fr
pref label: VILNIUS PHOTOMETRY @en
pref label: VILNIUS-PHOTOMETRIE @de
related: GenevaPhotometry

VirialTheorem
type: Concept
pref label: TEOREMA DEL VIRIAL
pref label: TEOREMA DEL VIRIALE @it
pref label: THEOREME DU VIRIEL @fr
pref label: VIRIAL THEOREM @en
pref label: VIRIALSATZ @de
related: ClustersOfGalaxies
related: Gravitation
related: RadialVelocity
related: StarClusters
related: VelocityDispersion
related: VelocityDistribution

Viscosity
type: Concept
pref label: VISCOSIDAD
pref label: VISCOSITA @it
pref label: VISCOSITE @fr
pref label: VISCOSITY @en
pref label: ZAEHIGKEIT / VISKOSITAET @de
related: Plasmas

VisibilityFunction
type: Concept
pref label: "SICHTBARKEITSFUNKTION /VISIBILIT\""ATSFUNKTION" @de
pref label: FONCTION DE VISIBILITE @fr
pref label: FUNCION DE VISIBILIDAD
pref label: FUNZIONE DI VISIBILITA @it
pref label: VISIBILITY FUNCTION @en
related: ApertureSynthesis
related: InterferenceFringes
related: Interferometry

VisibleRadiation
type: Concept
broader: Radiation
pref label: RADIACION VISIBLE
pref label: RADIAZIONE VISIBILE @it
pref label: RAYONNEMENT VISIBLE @fr
pref label: SICHTBARE STRAHLUNG @de
pref label: VISIBLE RADIATION @en
related: Light
scope note: Synonym: LIGHT.

VisibleSpectrum
type: Concept
broader: Spectra
pref label: ESPECTRO VISIBLE
pref label: SICHTBARES SPEKTRUM @de
pref label: SPECTRE VISIBLE @fr
pref label: SPETTRO VISIBILE @it
pref label: VISIBLE SPECTRUM @en
related: ContinuousSpectra
related: Light

Vision
type: Concept
narrower: ColorVision
pref label: SICHT @de
pref label: VISION
pref label: VISIONE @it
related: DarkAdaption
related: Images
related: VisualAcuity

VisualAcuity
type: Concept
pref label: ACUITA VISIVA @it
pref label: ACUITE VISUELLE @fr
pref label: AGUDEZA VISUAL
pref label: SEHSCHAERFE @de
pref label: VISUAL ACUITY @en
related: Resolution
related: Vision

VisualBinaryStars
type: Concept
alt label: estrellas binarias muy separadas
alt label: estrellas dobles visuales [2]
alt label: etoile double nonserree @fr
alt label: etoile double visuelle [2] @fr
alt label: stelle binarie larghe @it
alt label: stelle doppie visuali [2] @it
alt label: visual double stars [2] @en
alt label: visuelle Doppelsterne [2] @de
alt label: weit getrennte Doppelsterne @de
alt label: wide binary stars @en
broader: BinaryStars
pref label: ESTRELLAS BINARIAS VISUALES
pref label: ETOILE DOUBLE VISUELLE @fr
pref label: STELLE BINARIE VISUALI @it
pref label: VISUAL BINARY STARS @en
pref label: VISUELLE DOPPELSTERNE @de
related: OccultingDisk
related: OrbitalMotions
related: Separation
related: VisualObservations
scope note: See also OPTICAL DOUBLE STARS.

VisualMagnitude
type: Concept
pref label: MAGNITUD VISUAL
pref label: MAGNITUDE VISUELLE @fr
pref label: MAGNITUDINE VISUALE @it
pref label: VISUAL MAGNITUDE @en
pref label: VISUELLE HELLIGKEIT @de
related: PhotovisualMagnitudes
related: PurkinjeEffect
related: VMagnitude

VisualObservations
type: Concept
pref label: BEOBACHTUNGEN IM SICHTBAREN LICHT @de
pref label: OBSERVACIONES VISUALES
pref label: OBSERVATION VISUELLE @fr
pref label: OSSERVAZIONI VISUALI @it
pref label: VISUAL OBSERVATIONS @en
related: PurkinjeEffect
related: VariableStars
related: VisualBinaryStars

VMagnitude
type: Concept
broader: ApparentMagnitudes
pref label: MAGNITUD V
pref label: MAGNITUDE V @fr
pref label: MAGNITUDINE V @it
pref label: V MAGNITUDE @en
pref label: V-HELLIGKEIT @de
related: JohnsonPhotometry
related: PhotovisualMagnitudes
related: VisualMagnitude

VoigtProfiles
type: Concept
pref label: PERFILES DE VOIGT
pref label: PROFIL DE VOIGT @fr
pref label: PROFILI DI VOIGT @it
pref label: VOIGT PROFILES @en
pref label: VOIGT-PROFILE @de
related: AbsorptionLines
related: LineSpectra

Volatiles
type: Concept
pref label: FLUECHTIGE BESTANDTEILE @de
pref label: VOLATIL @fr
pref label: VOLATILES
pref label: VOLATILI @it
related: Planets
related: SurfacesCelestialBodies

Volcanoes
type: Concept
pref label: VOLCAN @fr
pref label: VOLCANES
pref label: VOLCANOES @en
pref label: VULCANI @it
pref label: VULKANE @de
related: Craters
related: Planets
related: Satellites
related: SurfacesCelestialBodies

VonZeipelTheorem
type: Concept
pref label: TEOREMA DE VON ZEIPEL
pref label: TEOREMA DI VON ZEIPEL @it
pref label: THEOREME DE VON ZEIPEL @fr
pref label: VON ZEIPEL THEOREM @en
pref label: VON ZEIPEL-THEOREM @de
related: BinaryStars
related: Gravity
related: GravityDarkening
related: RotatingStars
related: SurfaceBrightness

WalravenPhotometry
type: Concept
alt label: PHOTOMETRIE VBLUW @fr
alt label: VBLUW photometry @en
alt label: VBLUW-Photometrie @de
alt label: fotometria VBLUW
broader: MediumBandPhotometry
broader: PhotometricSystems
pref label: FOTOMETRIA DE WALRAVEN
pref label: FOTOMETRIA DI WALRAVEN @it
pref label: PHOTOMETRIE DE WALRAVEN @fr
pref label: WALRAVEN PHOTOMETRY @en
pref label: WALRAVEN-PHOTOMETRIE @de

Water
type: Concept
broader: InterstellarMolecules
pref label: ACQUA @it
pref label: AGUA
pref label: EAU @fr
pref label: WASSER @de
pref label: WATER @en
related: WaterIce
related: WaterMasers
related: WaterVapor

WaterIce
type: Concept
alt label: Eis @de
alt label: HIELO
alt label: ghiaccio @it
alt label: glace @fr
alt label: ice @en
pref label: GHIACCIO DI ACQUA @it
pref label: GLACE @fr
pref label: HIELO DE AGUA
pref label: WASSEREIS @de
pref label: WATER ICE @en
related: Planets
related: SurfacesCelestialBodies
related: Water

WaterMasers
type: Concept
broader: Masers
pref label: MASER A EAU @fr
pref label: MASER DI ACQUA @it
pref label: MASERES DE AGUA
pref label: WASSER-MASER @de
pref label: WATER MASERS @en
related: OhMasers
related: SiOMasers
related: Water

WaterVapor
type: Concept
pref label: VAPEUR D'EAU @fr
pref label: VAPOR DE AGUA
pref label: VAPORE ACQUEO @it
pref label: WASSERDAMPF @de
pref label: WATER VAPOR @en
related: Atmospheres
related: Planets
related: Water

WaveformAnalysis
type: Concept
pref label: ANALISI DELLE FORME D'ONDA @it
pref label: ANALISIS DE LA FORMA DE ONDA
pref label: ANALYSE DES FORMES D'ONDES @fr
pref label: WAVEFORM ANALYSIS @en
pref label: WELLENFORMANALYSE @de
related: FourierAnalysis
related: PeriodDetermination
related: SpectroscopicAnalysis

Waveguides
type: Concept
narrower: OpticalWaveguides
narrower: RadioWaveguides
pref label: GUIAS DE ONDAS
pref label: GUIDE D'ONDA @it
pref label: GUIDE D'ONDES @fr
pref label: WAVEGUIDES @en
pref label: WELLENLEITER @de

Wavelength
type: Concept
pref label: LONGITUD DE ONDA
pref label: LONGUEUR D'ONDE @fr
pref label: LUNGHEZZA D'ONDA @it
pref label: WAVELENGTH @en
pref label: WELLENLAENGE @de
related: AcousticWaves
related: ElectromagneticWaves
related: Frequency
scope note: Combine with other terms

WaveMotion
type: Concept
broader: Motion
pref label: MOTO ONDOSO @it
pref label: MOUVEMENT ONDULATOIRE @fr
pref label: MOVIMIENTO ONDULATORIO
pref label: WAVE MOTION @en
pref label: WELLENBEWEGUNG @de
related: InterferenceWaves
related: SpectroscopicAnalysis
related: WavePropagation

WavePropagation
type: Concept
pref label: PROPAGACION DE ONDAS
pref label: PROPAGATION DES ONDES @fr
pref label: PROPAGAZIONE DELLE ONDE @it
pref label: WAVE PROPAGATION @en
pref label: WELLENFORTPFLANZUNG @de
related: Refraction
related: ShockWaves
related: WaveMotion
related: Waves

Waves
type: Concept
narrower: AcousticWaves
narrower: DriftWaves
narrower: ElectromagneticWaves
narrower: GravitationalWaves
narrower: GravityWaves
pref label: ONDAS
pref label: ONDE @it
pref label: WAVES @en
pref label: WELLEN @de
related: Oscillations
related: WavePropagation

WeakGBandStars
type: Concept
broader: GiantStars
broader: MetalPoorStars
pref label: ESTRELLAS DEBILES DE LA BANDA G
pref label: ETOILE A BANDE G FAIBLE @fr
pref label: STELLE CON BANDA G DEBOLE @it
pref label: STERNE MIT SCHWACHEM G-BAND @de
pref label: WEAK G BAND STARS @en

WeakInteractions
type: Concept
broader: Interactions
narrower: FermiInteraction
pref label: INTERACCIONES DEBILES
pref label: INTERACTION FAIBLE @fr
pref label: INTERAZIONI DEBOLI @it
pref label: SCHWACHE WECHSELWIRKUNG @de
pref label: WEAK INTERACTIONS @en
related: NuclearPhysics
related: StrongInteractions
scope note: Between atomic particles

WhiteDwarfStars
type: Concept
alt label: DA-Sterne @de
alt label: da stars @en
alt label: estrellas da
alt label: etoile da @fr
alt label: stelle da @it
broader: CollapsedStars
broader: CompactObjects
broader: DegenerateDwarfStars
broader: EvolvedStars
narrower: ZzCetiStars
pref label: ESTRELLAS ENANAS BLANCAS
pref label: NAINE BLANCHE @fr
pref label: STELLE NANE BIANCHE @it
pref label: WEISSE ZWERGSTERNE @de
pref label: WHITE DWARF STARS @en
related: BlackDwarfStars
related: ChandrasekharLimit
related: SupernovaRemnants
related: UxUrsaeMajorisStars
related: XRayPulsars

WhiteHoles
type: Concept
pref label: AGUJEROS BLANCOS
pref label: BUCHI BIANCHI @it
pref label: TROU BLANC @fr
pref label: WEISSE LOECHER @de
pref label: WHITE HOLES @en
related: BlackHoles
related: Cosmology
related: GravitationalLenses
related: NakedSingularity
related: SupernovaRemnants

WideAngleLenses
type: Concept
pref label: LENTES DE GRAN ANGULAR
pref label: OBIETTIVI GRANDANGOLARI @it
pref label: OBJECTIF GRAND ANGLE @fr
pref label: WEITWINKELLINSEN @de
pref label: WIDE ANGLE LENSES @en
related: AllSkyCameras
related: AllSkyPhotography
related: Cameras

WideFieldTelescopes
type: Concept
broader: ReflectingTelescopes
narrower: AllSkyCameras
narrower: BakerNunnCameras
pref label: TELESCOPE A GRAND CHAMP @fr
pref label: TELESCOPI A GRANDE CAMPO @it
pref label: TELESCOPIOS DE GRAN CAMPO
pref label: TELESKOPE MIT GROSSEM BILDLFELD @de
pref label: WIDE FIELD TELESCOPES @en
related: BouwersTelescopes
related: MaksutovTelescopes
related: SchmidtTelescopes
related: Vignetting

WilsonBappuEffect
type: Concept
pref label: EFECTO WILSON BAPPU
pref label: EFFET WILSON BAPPU @fr
pref label: EFFETTO WILSON BAPPU @it
pref label: WILSON BAPPU EFFECT @en
pref label: WILSON-BAPPU-EFFEKT @de
related: AbsoluteMagnitude
related: CaIiEmissionLines
related: KLine
related: LateTypeStars

WilsonEffect
type: Concept
pref label: EFECTO WILSON
pref label: EFFET WILSON @fr
pref label: EFFETTO WILSON @it
pref label: WILSON EFFECT @en
pref label: WILSON-EFFEKT @de
related: Penumbra
related: Sunspots
related: Umbra

Windows
type: Concept
narrower: AtmosphericWindows
narrower: GalacticWindows
pref label: FENETRE @fr
pref label: FENSTER @de
pref label: FINESTRE @it
pref label: VENTANAS
pref label: WINDOWS @en
related: InterstellarAbsorption
scope note: Combine with other terms

WinterSolstice
type: Concept
broader: Solstices
pref label: SOLSTICE D'HIVER @fr
pref label: SOLSTICIO DE INVIERNO
pref label: SOLSTIZIO D'INVERNO @it
pref label: WINTER SOLSTICE @en
pref label: WINTERSONNENWENDE @de
related: SummerSolstice
related: TropicOfCapricorn

WolfDiagram
type: Concept
pref label: DIAGRAMA DE WOLF
pref label: DIAGRAMMA DI WOLF @it
pref label: DIAGRAMME DE WOLF @fr
pref label: WOLF DIAGRAM @en
pref label: WOLF-DIAGRAMM @de
related: DarkNebulae
related: InterstellarAbsorption

WolfRayetStars
type: Concept
alt label: WC-Sterne @de
alt label: WCN-Sterne @de
alt label: WN-Sterne @de
alt label: WR-Sterne @de
alt label: estrellas wc
alt label: estrellas wcn
alt label: estrellas wn
alt label: estrellas wr
alt label: etoile wc @fr
alt label: etoile wcn @fr
alt label: etoile wn @fr
alt label: etoile wr @fr
alt label: stelle di wr @it
alt label: stelle wc @it
alt label: stelle wcn @it
alt label: stelle wn @it
alt label: wc stars @en
alt label: wcn stars @en
alt label: wn stars @en
alt label: wr stars @en
broader: EarlyTypeEmissionStars
pref label: ESTRELLAS WOLF RAYET
pref label: ETOILE DE WOLF-RAYET @fr
pref label: STELLE DI WOLF RAYET @it
pref label: WOLF RAYET STARS @en
pref label: WOLF-RAYET-STERNE @de
related: CarbonStars
related: CircumstellarEnvelopes
related: Ejecta
related: MassLoss
related: OStars

WUrsaeMajorisStars
type: Concept
broader: DetachedBinaryStars
broader: EclipsingBinaryStars
pref label: ESTRELLAS W URSA MAJORIS
pref label: ETOILES W URSAE MAJORIS @fr
pref label: STELLE W URSAE MAJORIS @it
pref label: W URSAE MAJORIS STARS @en
pref label: W URSAE MAJORIS-STERNE @de
related: AlgolVariableStars

WVirginisStars
type: Concept
broader: PopulationIiCepheids
broader: PulsatingVariableStars
narrower: BlHerculisStars
pref label: ESTRELLAS W VIRGINIS
pref label: ETOILES W VIRGINIS @fr
pref label: STELLE W VIRGINIS @it
pref label: W VIRGINIS STARS @en
pref label: W VIRGINIS-STERNE @de
related: Cepheids
related: RrLyraeStars

WzSagittaeStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: LongPeriodVariableStars
broader: UGeminorumStars
pref label: ESTRELLAS WZ SAGITTAE
pref label: ETOILES WZ SAGITTAE @fr
pref label: STELLE WZ SAGITTAE @it
pref label: WZ SAGITTAE STARS @en
pref label: WZ SAGITTAE-STERNE @de
related: SuUrsaeMajorisStars

XRayAbsorption
type: Concept
broader: XRaySpectra
pref label: ABSORCION DE RAYOS X
pref label: ABSORPTION DES RAYONS X @fr
pref label: ASSORBIMENTO DI RAGGI X @it
pref label: ROENTGEN-STRAHLENABSORPTION @de
pref label: X RAY ABSORPTION @en
related: XRayEmission

XRayAstronomy
type: Concept
broader: SpaceAstronomy
pref label: ASTRONOMIA DE RAYOS X
pref label: ASTRONOMIA X @it
pref label: ASTRONOMIE X @fr
pref label: ROENTGENASTRONOMIE @de
pref label: X RAY ASTRONOMY @en
related: BalloonBorneInstruments
related: RocketBorneInstruments
related: SatelliteBorneInstruments
related: SpaceObservatories
related: XRaySpectrographs
related: XRayTelescopes

XRayBackground
type: Concept
broader: BackgroundRadiation
pref label: FOND DE RAYONNEMENT X @fr
pref label: FONDO DE RAYOS X
pref label: FONDO X @it
pref label: ROENTGENSTRAHLENHINTER-GRUND @de
pref label: X RAY BACKGROUND @en
related: GammaRayBackground
related: MicrowaveBackground
related: RadioBackground
related: UltravioletBackground
related: XRays

XRayBinaryStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
broader: InteractingBinaryStars
broader: XRaySources
pref label: ESTRELLAS BINARIAS EN RAYOS X
pref label: ETOILE DOUBLE A RAYONNEMENT X @fr
pref label: ROENTGENDOPPELSTERNE @de
pref label: STELLE BINARIE X @it
pref label: X RAY BINARY STARS @en
related: BlackHoles
related: HzHerculisStars
related: NeutronStars
related: SymbioticStars
related: UGeminorumStars
related: XRayBursts
related: XRayNovas
related: XRayPulsars
related: XRayStars

XRayBrightPoints
type: Concept
pref label: HELLE ROENTGENSTRAHLENPUNKTE @de
pref label: PUNTI BRILLANTI X @it
pref label: PUNTOS BRILLANTES EN RAYOS X
pref label: SPOT DE RAYONNEMENT X @fr
pref label: X RAY BRIGHT POINTS @en
related: CloseBinaryStars
related: InteractingBinaryStars

XRayBursts
type: Concept
broader: Bursts
pref label: BURST X @it
pref label: ESTALLIDOS DE RAYOS X
pref label: ROENTGEN-STRAHLENAUSBRUECHE @de
pref label: SURSAUT X @fr
pref label: X RAY BURSTS @en
related: Bursters
related: GammaRayBursts
related: HzHerculisStars
related: NeutronStars
related: OpticalBursts
related: RadioBursts
related: RapidBursts
related: XRayBinaryStars
related: XRayTransients

XRayContinuum
type: Concept
broader: ContinuumRadiation
broader: XRaySpectra
pref label: CONTINUO EN RAYOS X
pref label: CONTINUO X @it
pref label: ROENTGEN-STRAHLENKONTINUUM @de
pref label: SPECTRE CONTINU DE RAYONNEMENT X @fr
pref label: X RAY CONTINUUM @en

XRayDetectors
type: Concept
broader: Detectors
pref label: DETECTEUR DE RAYONNEMENT X @fr
pref label: DETECTORES DE RAYOS X
pref label: RIVELATORI X @it
pref label: ROENTGEN-STRAHLENDETEKTOREN @de
pref label: X RAY DETECTORS @en
related: ProportionalCounters

XRayDiffraction
type: Concept
broader: Diffraction
pref label: DIFFRACTION DU RAYONNEMENT X @fr
pref label: DIFFRAZIONE DI RAGGI X @it
pref label: DIFRACCION DE RAYOS X
pref label: ROENTGENSTRAHLENBEUGUNG @de
pref label: X RAY DIFFRACTION @en
related: XRayScattering
related: XRaySpectroscopy

XRayEmission
type: Concept
broader: EmissionSpectra
broader: XRaySpectra
pref label: EMISION DE RAYOS X
pref label: EMISSION DE RAYONNEMENT X @fr
pref label: EMISSIONE X @it
pref label: ROENTGENSTRAHLENEMISSION @de
pref label: X RAY EMISSION @en
related: SunyaevZeldovichEffect
related: XRayAbsorption

XRayFlares
type: Concept
broader: Flares
pref label: BRILLAMENTI X @it
pref label: ERUPTION X @fr
pref label: FULGURACIONES DE RAYOS X
pref label: ROENTGENSTRAHLEN-FLARE @de
pref label: X RAY FLARES @en
related: ActiveGalaxies
related: ActiveStars

XRayFluorescence
type: Concept
broader: Fluorescence
broader: Photoluminescence
pref label: FLUORESCENCE X @fr
pref label: FLUORESCENCIA DE RAYOS X
pref label: FLUORESCENZA DA RAGGI X @it
pref label: ROENTGENSTRAHLEN-FLUORESZENZ @de
pref label: X RAY FLUORESCENCE @en

XRayIdentifications
type: Concept
pref label: IDENTIFICACIONES DE FUENTES DE RAYOS X
pref label: IDENTIFICATION DE SOURCE X @fr
pref label: IDENTIFICAZIONI DI SORGENTI X @it
pref label: ROENTGENSTRAHLEN-IDENTIFIKATIONEN @de
pref label: X RAY IDENTIFICATIONS @en
related: OpticalIdentifications
related: XRaySources

XRayLines
type: Concept
broader: EmissionLines
pref label: LINEAS DE RAYOS X
pref label: RAIE X @fr
pref label: RIGHE X @it
pref label: ROENTGENLINIEN @de
pref label: X RAY LINES @en
related: XRaySpectra

XRayLuminosity
type: Concept
broader: Luminosity
pref label: LUMINOSIDAD EN RAYOS X
pref label: LUMINOSITA X @it
pref label: LUMINOSITE EN RAYONNEMENT X @fr
pref label: ROENTGENLEUCHTKRAFT @de
pref label: X RAY LUMINOSITY @en
related: HighEnergyRadiation

XRayMaps
type: Concept
broader: Maps
pref label: CARTOGRAPHIE EN RAYONNEMENT X @fr
pref label: MAPAS DE RAYOS X
pref label: MAPPE X @it
pref label: ROENTGENSTRAHLEN-KARTEN @de
pref label: X RAY MAPS @en
related: XRayStructure

XRayNovas
type: Concept
broader: Novas
pref label: NOVA X @fr
pref label: NOVAS DE RAYOS X
pref label: ROENTGEN-NOVAE @de
pref label: STELLE NOVAE X @it
pref label: X RAY NOVAS @en
related: XRayBinaryStars

XRayObservatories
type: Concept
broader: SpaceObservatories
pref label: OBSERVATOIRE POUR LE RAYONNEMENT X @fr
pref label: OBSERVATORIOS DE RAYOS X
pref label: OSSERVATORI X @it
pref label: ROENTGEN-OBSERVATORIEN @de
pref label: X RAY OBSERVATORIES @en
related: ArtificialSatellites
related: Observatories

XRayPolarization
type: Concept
broader: PolarizationWaves
pref label: POLARISATION DU RAYONNEMENT X @fr
pref label: POLARIZACION DE RAYOS X
pref label: POLARIZZAZIONE X @it
pref label: ROENTGENSTRAHLEN-POLARISATION @de
pref label: X RAY POLARIZATION @en
related: PolarizedRadiation

XRayPulsars
type: Concept
broader: Pulsars
narrower: HzHerculisStars
pref label: PULSAR X @it
pref label: PULSARES DE RAYOS X
pref label: ROENTGEN-PULSARE @de
pref label: X RAY PULSARS @en
related: NeutronStars
related: WhiteDwarfStars
related: XRayBinaryStars

XRayQuasars
type: Concept
broader: Quasars
pref label: CUASARES DE RAYOS X
pref label: QUASAR X @it
pref label: ROENTGEN-QUASARE @de
pref label: X RAY QUASARS @en

XRays
type: Concept
alt label: RADIACION DE RAYOS X
alt label: Roentgenstrahlung @de
alt label: X ray radiation @en
alt label: radiazione x @it
alt label: rayonnement X @fr
broader: ElectromagneticWaves
broader: HighEnergyRadiation
broader: Radiation
pref label: RAGGI X @it
pref label: RAYON X @fr
pref label: RAYOS X
pref label: ROENTGENSTRAHLEN @de
pref label: X RAYS @en
related: XRayBackground
related: XRayScattering
related: XRaySources
related: XRaySpectra
scope note: Combine with other terms

XRayScattering
type: Concept
broader: RadiationScattering
pref label: DIFFUSION DES RAYONS X @fr
pref label: DIFFUSIONE X @it
pref label: ESPARCIMIENTO / DISPERSION DE RAYOS X
pref label: ROENTGENSTREUUNG @de
pref label: X RAY SCATTERING @en
related: ComptonEffect
related: XRayDiffraction
related: XRays

XRaySources
type: Concept
narrower: ActiveGalacticNuclei
narrower: ActiveGalaxies
narrower: RsCanumVenaticorumStars
narrower: XRayBinaryStars
pref label: FUENTES DE RAYOS X
pref label: ROENTGENQUELLEN @de
pref label: SORGENTI X @it
pref label: SOURCE X @fr
pref label: X RAY SOURCES @en
related: EruptiveBinaryStars
related: OpticalIdentifications
related: Quasars
related: RadioGalaxies
related: RelativisticStars
related: SeyfertGalaxies
related: SupernovaRemnants
related: XRayIdentifications
related: XRayStars
related: XRays

XRaySpectra
type: Concept
narrower: XRayAbsorption
narrower: XRayContinuum
narrower: XRayEmission
pref label: ESPECTROS DE RAYOS X
pref label: ROENTGENSTRAHLENSPEKTREN @de
pref label: SPECTRE DE RAYONNEMENT X @fr
pref label: SPETTRI X @it
pref label: X RAY SPECTRA @en
related: XRayLines
related: XRays

XRaySpectrographs
type: Concept
alt label: Spektrographen mit streifendem Einfall @de
alt label: espectrografos de incidencia rasante
alt label: grazing incidence spectrographs @en
alt label: spectrographe a incidence rasante @fr
alt label: spettrografi a incidenza radente @it
broader: Spectrographs
pref label: ESPECTROFRAFOS DE RAYOS X
pref label: ROENTGENSTRAHLEN-SPEKTROGRAPHEN @de
pref label: SPECTROGRAPHE A RAYONS X @fr
pref label: SPETTROGRAFI X @it
pref label: X RAY SPECTROGRAPHS @en
related: XRayAstronomy

XRaySpectrometers
type: Concept
broader: Spectrometers
pref label: ESPECTROMETROS DE RAYOS X
pref label: ROENTGENSTRAHLEN-SPEKTROMETER @de
pref label: SPECTROMETRE A RAYONS X @fr
pref label: SPETTROMETRI X @it
pref label: X RAY SPECTROMETERS @en

XRaySpectroscopy
type: Concept
broader: Spectroscopy
pref label: ESPECTROSCOPIA DE RAYOS X
pref label: ROENTGENSTRAHLEN-SPEKTROSKOPIE @de
pref label: SPECTROSCOPIE EN RAYONS X @fr
pref label: SPETTROSCOPIA X @it
pref label: X RAY SPECTROSCOPY @en
related: XRayDiffraction

XRayStars
type: Concept
broader: ActiveStars
broader: EmissionLineStars
pref label: ESTRELLAS DE RAYOS X
pref label: ETOILE X @fr
pref label: ROENTGENSTERNE @de
pref label: STELLE X @it
pref label: X RAY STARS @en
related: RadioStars
related: XRayBinaryStars
related: XRaySources

XRayStructure
type: Concept
pref label: ESTRUCTURA DE RAYOS X
pref label: ROENTGENSTRAHLENAUFBAU @de
pref label: STRUCTURE EN RAYONNEMENT X @fr
pref label: STRUTTURA X @it
pref label: X RAY STRUCTURE @en
related: XRayMaps

XRaySurveys
type: Concept
broader: Surveys
pref label: RECONOCIMIENTOS DE RAYOS X
pref label: RELEVE EN RAYONS X @fr
pref label: ROENTGENSTRAHLENDURCH-MUSTERUNG @de
pref label: SURVEY X @it
pref label: X RAY SURVEYS @en

XRayTelescopes
type: Concept
alt label: Teleskope mit streifendem Einfall @de
alt label: grazing incidence telescopes @en
alt label: telescope a incidence rasante @fr
alt label: telescopi a incidenza radente @it
alt label: telescopios de incidencia rasante
broader: SpaceTelescopes
pref label: ROENTGENTELESKOPE @de
pref label: TELESCOPE POUR RAYONS X @fr
pref label: TELESCOPI X @it
pref label: TELESCOPIOS DE RAYOS X
pref label: X RAY TELESCOPES @en
related: XRayAstronomy

XRayTransients
type: Concept
pref label: OBJET X TEMPORAIRE @fr
pref label: TRANSIENTES DE RAYOS X / OBJETOS DE RAYOS X TRANSITORIOS
pref label: TRANSIENTI X @it
pref label: VORUEBERGEHEND SICHTBARE ROENTGENSTRAHLEN @de
pref label: X RAY TRANSIENTS @en
related: XRayBursts

YagiAntennas
type: Concept
broader: Antennas
broader: DirectionalAntennas
broader: RadioTelescopes
pref label: ANTENAS YAGI
pref label: ANTENNE YAGI @it
pref label: YAGI ANTENNAS @en
pref label: YAGI-ANTENNEN @de
related: HalfWaveDipoles

YArrays
type: Concept
broader: Arrays
broader: RadioInterferometers
pref label: ARRAY A Y @it
pref label: ORDENAMIENTO Y
pref label: RESEAU D'ANTENNES EN Y @fr
pref label: Y ARRAYS @de
related: TArrays

Year
type: Concept
narrower: AnomalisticYear
narrower: CosmicYear
narrower: TropicalYear
pref label: ANNEE @fr
pref label: ANNO @it
pref label: ANO
pref label: JAHR @de
pref label: YEAR @en
related: EphemerisTime
related: LightYear
related: SiderealTime
related: Time
related: UniversalTime

YokeMounting
type: Concept
broader: EquatorialMounting
pref label: MONTATURA A GIOGO @it
pref label: MONTURA INGLESA SIMETRICA
pref label: MONTURE A FOURCHE @fr
pref label: RAHMENMONTIERUNG @de
pref label: YOKE MOUNTING @en

YoungDiskCepheids
type: Concept
broader: Cepheids
pref label: CEFEIDAS JOVENES DE DISCO
pref label: CEFEIDI GIOVANI DI DISCO @it
pref label: CEPHEIDE JEUNE DU DISQUE @fr
pref label: JUNGE SCHEIBENCEPHEIDEN @de
pref label: YOUNG DISK CEPHEIDS @en

YoungStarClusters
type: Concept
broader: OpenStarClusters
pref label: AMAS STELLAIRE JEUNE @fr
pref label: AMMASSI STELLARI GIOVANI @it
pref label: CUMULOS DE ESTRELLAS JOVENES
pref label: JUNGE STERNHAUFEN @de
pref label: YOUNG STAR CLUSTERS @en
related: ObStars
related: PopulationIStars
related: TAssociations
related: YoungStars

YoungStars
type: Concept
broader: PopulationIStars
narrower: BStars
narrower: BlueStragglerStars
narrower: OStars
narrower: ObStars
narrower: PremainsequenceStars
pref label: ESTRELLAS JOVENES
pref label: ETOILE JEUNE @fr
pref label: JUNGE STERNE @de
pref label: STELLE GIOVANI @it
pref label: YOUNG STARS @en
related: HIiRegions
related: ObAssociations
related: RAssociations
related: TAssociations
related: YoungStarClusters
scope note: Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.

ZAndromedaeStars
type: Concept
broader: CloseBinaryStars
broader: EmissionLineStars
broader: ShellStars
broader: SymbioticStars
pref label: ESTRELLAS Z ANDROMEDAE
pref label: ETOILES Z ANDROMEDAE @fr
pref label: STELLE Z ANDROMEDAE @it
pref label: Z ANDROMEDAE STARS @en
pref label: Z ANDROMEDAE-STERNE @de

ZCamelopardalisStars
type: Concept
broader: CataclysmicVariableStars
broader: EruptiveBinaryStars
pref label: ESTRELLAS Z CAMELOPARDIS
pref label: ETOILES Z CAMELOPARDALIS @fr
pref label: STELLE Z CAMELOPARDALIS @it
pref label: Z CAMELOPARDALIS STARS @en
pref label: Z CAMELOPARDALIS-STERNE @de
related: SsCygniStars
related: SuUrsaeMajorisStars
related: UGeminorumStars
related: UxUrsaeMajorisStars

ZeemanSplitting
type: Concept
alt label: Linienaufspaltung @de
alt label: Spektrallinienaufspaltung @de
alt label: dedoublement des raies @fr
alt label: desdoblamiento de la linea
alt label: desdoblamiento de la linea espectral
alt label: line splitting @en
alt label: sdoppiamento delle righe @it
alt label: sdoppiamento delle righe spettrali @it
alt label: spectral line splitting @en
broader: MagnetoOpticalEffects
pref label: DEDOUBLEMENT ZEEMAN @fr
pref label: DESDOBLAMIENTO ZEEMAN
pref label: SEPARAZIONE ZEEMAN @it
pref label: ZEEMAN SPLITTING @en
pref label: ZEEMAN-AUFSPALTUNG @de
related: DopplerBroadening
related: LineBroadening
related: LineShift
related: NaturalLineWidth
related: PaschenBackEffect
related: PressureBroadening
related: StarkBroadening

Zenith
type: Concept
broader: Poles
pref label: CENIT
pref label: ZENIT @it
pref label: ZENITH @fr
related: CelestialSphere
related: HorizonCoordinateSystem
related: Nadir

ZenithDistance
type: Concept
pref label: DISTANCE ZENITHALE @fr
pref label: DISTANCIA CENITAL
pref label: DISTANZA ZENITALE @it
pref label: ZENITDISTANZ @de
pref label: ZENITH DISTANCE @en
related: AltitudeAngle
related: AngleOfRefraction
related: DiurnalParallax

ZenithHourlyRate
type: Concept
pref label: ZENITH HOURLY RATE @en
related: MeteorShowers

ZenithTelescopes
type: Concept
alt label: Zenitroehren @de
alt label: lunette a monture zenithale @fr
alt label: lunette photographique zenithale @fr
alt label: photographic zenith tubes @en
alt label: photographisches Zenitteleskop @de
alt label: telescopi zenitali fotografici @it
alt label: tubi zenitali @it
alt label: tubos cenitales
alt label: tubos cenitales fotograficos
alt label: zenith tubes @en
broader: RefractingTelescopes
broader: TransitTelescopes
pref label: TELESCOPE A MONTURE ZENITHALE @fr
pref label: TELESCOPI ZENITALI @it
pref label: TELESCOPIOS CENITALES
pref label: ZENITH TELESCOPES @en
pref label: ZENITTELESKOPE / FERNROHRE @de
related: MeridianObservations

ZeroAgeHorizontalBranch
type: Concept
pref label: BRANCHE HORIZONTALE D'AGE ZERO @fr
pref label: NULLALTER-HORIZONTALAST @de
pref label: RAMA HORIZONTAL DE EDAD CERO
pref label: RAMO ORIZZONTALE DI ETA ZERO @it
pref label: ZERO AGE HORIZONTAL BRANCH @en
related: GiantBranch
related: HertzsprungRussellDiagram
related: ZeroAgeMainsequence

ZeroAgeMainsequence
type: Concept
alt label: zams
pref label: NULLALTER-HAUPTREIHE @de
pref label: SECUENCIA PRINCIPAL DE EDAD CERO
pref label: SEQUENZA PRINCIPALE DI ETA ZERO @it
pref label: SERIE PRINCIPALE D'AGE ZERO @fr
pref label: ZERO AGE MAINSEQUENCE @en
related: HertzsprungRussellDiagram
related: Mainsequence
related: ZeroAgeHorizontalBranch

ZeroPoint
type: Concept
pref label: NULLPUNKT @de
pref label: POINT ZERO @fr
pref label: PUNTO CERO
pref label: PUNTO ZERO @it
pref label: ZERO POINT @en
scope note: Combine with other terms

ZirconiumStars
type: Concept
pref label: ESTRELLAS DE CIRCONIO
pref label: ETOILE A ZIRCONIUM @fr
pref label: STELLE ALLO ZIRCONIO @it
pref label: ZIRCONIUM STARS @en
pref label: ZIRKONIUM-STERNE @de
related: GiantStars
related: HeavyMetalStars
related: MolecularBands
related: SStars

Zodiac
type: Concept
pref label: TIERKREIS @de
pref label: ZODIAC @en
pref label: ZODIACO
pref label: ZODIAQUE @fr
related: Astrology
related: Constellations
related: EarthOrbit
related: Ecliptic

ZodiacalDust
type: Concept
broader: Dust
pref label: POLVERE ZODIACALE @it
pref label: POLVO ZODIACAL
pref label: POUSSIERE ZODIACALE @fr
pref label: ZODIACAL DUST @en
pref label: ZODIAKALER STAUB @de
related: Gegenschein
related: InterplanetaryMatter
related: MeteoroidDustCloud
related: Meteoroids
related: ZodiacalLight

ZodiacalDustCloud
type: Concept
pref label: NUAGE DE POUSSIERE ZODIACALE @fr
pref label: NUBE DE POLVO ZODIACAL
pref label: NUBE DI POLVERE ZODIACALE @it
pref label: ZODIACAL DUST CLOUD @en
pref label: ZODIAKALE STAUBWOLKE @de
scope note: See ZODIACAL DUST

ZodiacalLight
type: Concept
pref label: LUCE ZODIACALE @it
pref label: LUMIERE ZODIACALE @fr
pref label: LUZ ZODIACAL
pref label: ZODIACAL LIGHT @en
pref label: ZODIAKALLICHT @de
related: FCorona
related: Gegenschein
related: InterplanetaryMatter
related: LightScattering
related: NightSkyBrightness
related: RadiationScattering
related: SkyBrightness
related: ZodiacalDust

ZoneOfTotality
type: Concept
pref label: TOTALITAETSZONE @de
pref label: ZONA DE TOTALIDAD
pref label: ZONA DI TOTALITA @it
pref label: ZONE DE TOTALITE @fr
pref label: ZONE OF TOTALITY @en
related: SolarEclipse
related: Umbra

ZzCetiStars
type: Concept
broader: MultiperiodicVariableStars
broader: PulsatingVariableStars
broader: WhiteDwarfStars
pref label: ESTRELLAS ZZ CETI
pref label: ETOILES ZZ CETI @fr
pref label: STELLE ZZ CETI @it
pref label: ZZ CETI STARS @en
pref label: ZZ CETI-STERNE @de
related: HeIonizationZone
related: KappaMechanism
related: NonradialPulsations