|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADAR (Radar)
|
|
|
|
|
OPTICAL RADAR
|
ANTENNAS
,
DOPPLER EFFECT
,
RADAR ASTRONOMY
|
| |
|
RADAR ASTRONOMY (RadarAstronomy)
|
|
|
|
RADIO ASTRONOMY
|
|
RADAR
,
RADAR EQUIPMENT
,
RADAR TELESCOPES
,
RADIO OBSERVATORIES
|
| |
|
RADAR EQUIPMENT (RadarEquipment)
|
|
|
|
|
ANTENNAS
|
RADAR ASTRONOMY
,
RADIO TELESCOPES
|
| |
|
RADAR MAPPING (RadarMapping)
|
|
|
|
|
|
MAPS
|
| |
|
RADAR TELESCOPES (RadarTelescopes)
|
|
|
|
RADIO TELESCOPES
|
|
DISH ANTENNAS
,
PARABOLIC REFLECTORS
,
RADAR ASTRONOMY
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIAL PULSATIONS (RadialPulsations)
|
|
|
|
|
|
BETA CEPHEI STARS
,
BL HERCULIS STARS
,
CEPHEIDS
,
DELTA SCUTI STARS
,
HE+ IONIZATION ZONE
,
MIRA VARIABLE STARS
,
RV TAURI STARS
|
| |
|
RADIAL VELOCITY (RadialVelocity)
|
|
|
|
SPACE MOTION
,
VELOCITY
|
|
DOPPLER EFFECT
,
KINEMATICS
,
LINE SHIFT
,
PECULIAR MOTIONS
,
PECULIAR VELOCITY
,
PROPER MOTIONS
,
REDSHIFT
,
SPECTROMETRY
,
STELLAR DYNAMICS
,
STELLAR MOTIONS
,
TANGENTIAL VELOCITY
,
TRANSVERSE VELOCITY
,
VIRIAL THEOREM
|
| |
|
RADIANT [METEORS] (RadiantMeteors)
|
|
|
|
|
|
METEOR SHOWERS
,
METEOR STREAMS
,
METEOR TRAILS
,
METEORS
|
| |
|
RADIANT [MOVING CLUSTER] (RadiantMovingCluster)
|
|
|
|
|
|
MOVING CLUSTER PARALLAX
,
OPEN STAR CLUSTERS
,
PROPER MOTIONS
|
| |
|
RADIATION (Radiation)
|
|
|
electromagnetic radiation
|
|
BACKGROUND RADIATION
,
BLACK BODY RADIATION
,
BREMSSTRAHLUNG
,
CERENKOV RADIATION
,
CONTINUUM RADIATION
,
COSMIC RAYS
,
CYCLOTRON RADIATION
,
GAMMA RAYS
,
GRAVITATIONAL RADIATION
,
HIGH ENERGY RADIATION
,
INFRARED RADIATION
,
MICROWAVE RADIATION
,
POLARIZED RADIATION
,
RADIO RADIATION
,
SYNCHROTRON RADIATION
,
THERMAL RADIATION
,
ULTRAVIOLET RADIATION
,
VISIBLE RADIATION
,
X RAYS
|
ABSORPTION
,
ALBEDO
,
BOLOMETERS
,
EFFECTIVE TEMPERATURE
,
EMISSIVITY
,
ENERGY TRANSFER
,
FLUX DENSITY
,
ILLUMINATION
,
IRRADIANCE
,
OPACITY
,
PHOTONS
,
PLANCK BLACK BODY FORMULA
,
RADIATIVE EQUILIBRIUM
,
RECOMBINATION LINES
,
SOLAR CONSTANT
|
Combine with other terms
|
| |
|
RADIATION BELTS (RadiationBelts)
|
|
|
|
|
VAN ALLEN RADIATION BELTS
|
ATMOSPHERES
,
EARTH
,
PLASMAS
|
| |
|
RADIATION DAMPING (RadiationDamping)
|
|
|
|
|
|
DAMPING CONSTANTS
,
DECAY [OSCILLATIONS]
,
RADIATIVE BRAKING
|
| |
|
RADIATION FIELD (RadiationField)
|
|
|
|
|
|
ELECTROMAGNETIC FIELDS
|
| |
|
RADIATION MECHANISMS (RadiationMechanisms)
|
|
|
|
|
FREE BOUND EMISSION
,
FREE FREE EMISSION
|
BREMSSTRAHLUNG
,
CERENKOV RADIATION
,
CYCLOTRON RADIATION
,
GRAVITATIONAL RADIATION
,
NONLTE TRANSFER
,
RAYLEIGH LIMIT
,
RELATIVISTIC PARTICLES
,
RELATIVISTIC PLASMAS
,
SYNCHROTRON RADIATION
|
| |
|
RADIATION PRESSURE (RadiationPressure)
|
|
|
|
|
|
EDDINGTON LIMIT
,
PHOTONS
,
POYNTING ROBERTSON EFFECT
,
PRESSURE
,
SOLAR WIND
,
STELLAR WINDS
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIATION SCATTERING (RadiationScattering)
|
|
|
electromagnetic wave scattering
|
|
COMPTON SCATTERING
,
LIGHT SCATTERING
,
RAYLEIGH SCATTERING
,
THOMSON SCATTERING
,
X RAY SCATTERING
|
COMPTON EFFECT
,
ELEMENTARY PARTICLE SCATTERING
,
PHASE FUNCTION
,
POLARIZATION [WAVES]
,
RAMAN EFFECT
,
SCATTERING
,
ZODIACAL LIGHT
|
| |
|
RADIATIVE BRAKING (RadiativeBraking)
|
|
|
|
|
|
DAMPING CONSTANTS
,
DYNAMICAL FRICTION
,
RADIATION DAMPING
,
ROTATING STARS
|
| |
|
RADIATIVE EQUILIBRIUM (RadiativeEquilibrium)
|
|
|
|
|
|
ABSORPTION
,
RADIATION
,
TEMPERATURE
|
| |
|
RADIATIVE RECOMBINATION (RadiativeRecombination)
|
|
|
radiative capture
|
|
|
AIRGLOW
,
ELECTRONS
,
PHOTONS
,
PLASMAS
|
| |
|
RADIATIVE TRANSFER (RadiativeTransfer)
|
|
|
|
|
|
OPACITY
,
RAYLEIGH LIMIT
,
TRANSPORT PROCESSES
|
| |
|
RADICALS (Radicals)
|
|
|
|
COMPOSITE PARTICLES
|
HYDROXYL RADICAL
|
IONS
|
| |
|
RADIO ABSORPTION (RadioAbsorption)
|
|
|
|
|
|
H I REGIONS
,
INTERSTELLAR MATTER
,
IONOSPHERE
|
| |
|
RADIOACTIVITY (Radioactivity)
|
|
|
|
|
|
ALPHA PARTICLES
,
DECAY [RADIOACTIVE]
,
ELECTRONS
,
GAMMA RAYS
,
NUCLEAR FISSION
,
POSITRONS
|
| |
|
RADIO ANTENNAS (RadioAntennas)
|
|
|
|
ANTENNAS
|
|
POLAR DIAGRAM
,
RADIO TELESCOPES
,
SIDELOBES
|
| |
|
RADIO ASTROMETRY (RadioAstrometry)
|
|
|
|
ASTROMETRY
,
OBSERVING TECHNIQUES
,
RADIO ASTRONOMY
|
|
INTERFEROMETRY
,
LONG BASELINE INTERFEROMETRY
,
VERY LONG BASELINE INTERFEROMETRY
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIO ASTRONOMY (RadioAstronomy)
|
|
|
|
|
MILLIMETER ASTRONOMY
,
RADAR ASTRONOMY
,
RADIO ASTROMETRY
,
SUBMILLIMETER ASTRONOMY
|
CLEAN METHODS
|
Use as NTs all terms associated with radio astronomy
|
| |
|
RADIO BACKGROUND (RadioBackground)
|
|
|
radio frequency interference
,
radio noise
|
BACKGROUND RADIATION
|
|
COSMIC NOISE
,
GAMMA RAY BACKGROUND
,
MICROWAVE BACKGROUND
,
RADIO INTERFERENCE
,
RADIO RADIATION
,
ULTRAVIOLET BACKGROUND
,
X RAY BACKGROUND
|
| |
|
RADIO BURSTS (RadioBursts)
|
|
|
|
BURSTS
|
|
BURSTERS
,
GAMMA RAY BURSTS
,
OPTICAL BURSTS
,
X RAY BURSTS
|
| |
|
RADIO CORES (RadioCores)
|
|
|
|
|
|
RADIO SOURCES
|
| |
|
RADIO EMISSION (RadioEmission)
|
|
|
|
|
|
|
See RADIO RADIATION.
|
| |
|
RADIO FLARES (RadioFlares)
|
|
|
|
FLARES
|
|
FLARE STARS
|
| |
|
RADIO FREQUENCIES (RadioFrequencies)
|
|
|
|
|
|
PAUL TRAP
,
RADIO SPECTRA
,
RADIO WAVES
,
SPECTRAL INDICES
|
| |
|
RADIO GALAXIES (RadioGalaxies)
|
|
|
|
EXTRAGALACTIC RADIO SOURCES
,
GALAXIES
|
Ep GALAXIES
,
GIANT RADIO GALAXIES
,
HEAD TAIL GALAXIES
|
ACTIVE GALACTIC NUCLEI
,
FANAROFF RILEY CLASS
,
X RAY SOURCES
|
| |
|
RADIOHELIOGRAPHS (Radioheliographs)
|
|
|
|
RADIO TELESCOPES
,
SOLAR TELESCOPES
|
|
|
| |
|
RADIO INTERFERENCE (RadioInterference)
|
|
|
radio frequency interference
,
radio noise
|
|
COSMIC NOISE
|
RADIO BACKGROUND
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIO INTERFEROMETERS (RadioInterferometers)
|
|
|
|
INTERFEROMETERS
,
RADIO TELESCOPES
|
LONG BASELINE INTERFEROMETERS
,
T ARRAYS
,
VERY LONG BASELINE INTERFEROMETERS
,
Y ARRAYS
|
ARRAYS
,
PENCIL BEAMS
,
PHASED ARRAYS
,
RADIO INTERFEROMETRY
,
RADIO OBSERVATORIES
|
| |
|
RADIO INTERFEROMETRY (RadioInterferometry)
|
|
|
|
INTERFEROMETRY
,
OBSERVING TECHNIQUES
|
LONG BASELINE INTERFEROMETRY
,
VERY LONG BASELINE INTERFEROMETRY
|
INTERFERENCE [WAVES]
,
RADIO INTERFEROMETERS
,
TIME SYNCHRONIZATION
|
See RADIO INTERFEROMETERS.
|
| |
|
RADIO JETS (RadioJets)
|
|
|
|
JETS
|
|
RADIO SOURCES
|
| |
|
RADIOMETERS (Radiometers)
|
|
|
|
DETECTORS
,
MEASURING INSTRUMENTS
|
|
BOLOMETERS
,
PHOTOMETERS
,
RADIOMETRY
|
| |
|
RADIOMETRY (Radiometry)
|
|
|
|
|
|
RADIOMETERS
|
| |
|
RADIO OBSERVATORIES (RadioObservatories)
|
|
|
|
OBSERVATORIES
|
|
MILLIMETER ASTRONOMY
,
RADAR ASTRONOMY
,
RADIO INTERFEROMETERS
,
RADIO TELESCOPES
,
SUBMILLIMETER ASTRONOMY
|
| |
|
RADIO OCCULTATIONS (RadioOccultations)
|
|
|
|
OCCULTATIONS
|
|
|
| |
|
RADIO PULSARS (RadioPulsars)
|
|
|
|
PULSARS
|
|
OPTICAL PULSARS
|
| |
|
RADIO QUIET QUASARS (RadioQuietQuasars)
|
|
|
|
QUASARS
|
|
|
| |
|
RADIO RADIATION (RadioRadiation)
|
|
|
|
RADIATION
|
|
JANSKY
,
RADIO BACKGROUND
,
RADIO SOURCES
,
RADIO WAVES
|
Synonym: RADIO EMISSION.
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIO RECOMBINATION LINES (RadioRecombinationLines)
|
|
|
|
RECOMBINATION LINES
|
21 CM LINE
|
EMISSION LINES
,
H I REGIONS
,
H II REGIONS
,
MASERS
|
| |
|
RADIO SOURCE CATALOGS (RadioSourceCatalogs)
|
|
|
|
CATALOGS
|
|
RADIO SOURCE COUNTS
|
Combine with other terms
|
| |
|
RADIO SOURCE COUNTS (RadioSourceCounts)
|
|
|
|
|
|
OBSERVATIONAL COSMOLOGY
,
RADIO SOURCE CATALOGS
,
RADIO SOURCES
,
STATISTICS
,
SURVEYS
|
| |
|
RADIO SOURCES (RadioSources)
|
|
|
|
|
COMPACT SOURCES
,
DISCRETE RADIO SOURCES
,
EXTENDED SOURCES
,
EXTRAGALACTIC RADIO SOURCES
,
HEAD TAIL GALAXIES
,
OH SOURCES
,
PULSARS
,
RADIO STARS
,
VARIABLE SOURCES
|
BIPOLAR OUTFLOWS
,
GALAXY ENCOUNTERS
,
INTERPLANETARY SCINTILLATION
,
INTERSTELLAR SCINTILLATION
,
IONOSPHERIC SCINTILLATION
,
JETS
,
LOBES
,
MASERS
,
OPTICAL IDENTIFICATIONS
,
RADIO CORES
,
RADIO JETS
,
RADIO RADIATION
,
RADIO SOURCE COUNTS
,
SiO MASERS
,
SUPERNOVA REMNANTS
|
Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.
|
| |
|
RADIO SPECTRA (RadioSpectra)
|
|
|
|
SPECTRA
|
|
MICROWAVE SPECTRA
,
RADIO FREQUENCIES
,
RADIO SPECTROGRAPHS
,
RADIO SPECTROMETERS
,
RADIO SPECTROSCOPY
,
SPECTRAL INDICES
|
| |
|
RADIO SPECTROGRAPHS (RadioSpectrographs)
|
|
|
|
SPECTROGRAPHS
|
|
RADIO SPECTRA
,
RADIO SPECTROMETERS
,
RADIO SPECTROSCOPY
|
| |
|
RADIO SPECTROMETERS (RadioSpectrometers)
|
|
|
|
SPECTROMETERS
|
|
RADIO SPECTRA
,
RADIO SPECTROGRAPHS
|
| |
|
RADIO SPECTROSCOPY (RadioSpectroscopy)
|
|
|
|
|
|
RADIO SPECTRA
,
RADIO SPECTROGRAPHS
|
| |
|
RADIO STARS (RadioStars)
|
|
|
|
RADIO SOURCES
|
FLARE STARS
|
X RAY STARS
|
| |
|
RADIO STRUCTURE (RadioStructure)
|
|
|
|
|
LOBES
|
BIPOLAR OUTFLOWS
,
COMPACT SOURCES
,
CONTOUR MAPS
,
DRIFT SCANS
,
EXTENDED SOURCES
,
HEAD TAIL GALAXIES
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RADIO TELESCOPES (RadioTelescopes)
|
|
|
|
TELESCOPES
|
CASSEGRAIN ANTENNAS
,
DISH ANTENNAS
,
MILLS CROSS ANTENNAS
,
RADAR TELESCOPES
,
RADIO INTERFEROMETERS
,
RADIOHELIOGRAPHS
,
VERY LARGE ARRAYS
,
YAGI ANTENNAS
|
ANTENNA DESIGN
,
ANTENNAS
,
APODIZATION
,
ARRAYS
,
BEAM SWITCHING
,
BEAMWIDTH
,
FEED HORNS
,
HALF WAVE DIPOLES
,
INTERFEROMETERS
,
PARABOLIC REFLECTORS
,
PHASE ROTATOR
,
PHASE SWITCHING
,
RADAR EQUIPMENT
,
RADIO ANTENNAS
,
RADIO OBSERVATORIES
,
RECEIVERS
,
SHAPED REFLECTORS
,
SUBREFLECTORS
|
Not a complete list of terms.
|
| |
|
RADIO WAVEGUIDES (RadioWaveguides)
|
|
|
|
WAVEGUIDES
|
HORN ANTENNAS
|
|
| |
|
RADIO WAVES (RadioWaves)
|
|
|
|
ELECTROMAGNETIC WAVES
|
|
RADIO FREQUENCIES
,
RADIO RADIATION
|
| |
|
RADIO WINDOWS (RadioWindows)
|
|
|
|
ATMOSPHERIC WINDOWS
|
|
INFRARED WINDOWS
,
INTERSTELLAR MATTER
,
OPTICAL WINDOWS
|
Low absorption in atmosphere.
|
| |
|
RADIUS LUMINOSITY RELATION (RadiusLuminosityRelation)
|
|
|
|
|
|
CEPHEIDS
,
PERIOD COLOR RELATION
,
PERIOD DENSITY RELATION
,
PERIOD LUMINOSITY COLOR RELATION
,
PERIOD LUMINOSITY RELATION
,
PERIOD MASS RELATION
,
PERIOD RADIUS RELATION
,
PERIOD SPECTRUM RELATION
|
| |
|
RAMAN EFFECT (RamanEffect)
|
|
|
|
|
|
ABSORPTION SPECTRA
,
EMISSION SPECTRA
,
RADIATION SCATTERING
,
RAMAN SCATTERING
,
RAMAN SPECTRA
,
RAMAN SPECTROSCOPY
|
| |
|
RAMAN SCATTERING (RamanScattering)
|
|
|
|
|
|
RAMAN EFFECT
|
See RAMAN EFFECT.
|
| |
|
RAMAN SPECTRA (RamanSpectra)
|
|
|
|
|
|
LIGHT SCATTERING
,
RAMAN EFFECT
|
See RAMAN EFFECT.
|
| |
|
RAMAN SPECTROSCOPY (RamanSpectroscopy)
|
|
|
|
SPECTROSCOPY
|
|
MOLECULAR SPECTRA
,
RAMAN EFFECT
|
See RAMAN EFFECT.
|
| |
|
RAMSDEN EYEPIECE (RamsdenEyepiece)
|
|
|
|
EYEPIECES
|
|
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RANGE FINDERS (RangeFinders)
|
|
|
|
MEASURING INSTRUMENTS
|
|
DISTANCE
|
| |
|
RANKINE HUGONIOT RELATIONS (RankineHugoniotRelations)
|
|
|
|
|
|
DENSITY
,
PRESSURE
,
SHOCK WAVES
|
| |
|
RAPID BURSTS (RapidBursts)
|
|
|
|
BURSTS
|
|
GAMMA RAY BURSTS
,
X RAY BURSTS
|
| |
|
RAPID OSCILLATIONS (RapidOscillations)
|
|
|
|
|
|
Ap STARS
,
ASTEROSEISMOLOGY
,
PULSARS
|
| |
|
RARE EARTHS (RareEarths)
|
|
|
|
|
|
ABUNDANCE
,
METAL ABUNDANCE
,
METAL LINES
|
| |
|
R ASSOCIATIONS (RAssociations)
|
|
|
|
STAR ASSOCIATIONS
|
|
REFLECTION NEBULAE
,
YOUNG STARS
|
| |
|
RAYLEIGH (Rayleigh)
|
|
|
|
|
|
AURORAS
,
NIGHT SKY BRIGHTNESS
|
Solar aurora flux unit.
|
| |
|
RAYLEIGH CRITERION (RayleighCriterion)
|
|
|
rayleigh limit
|
|
|
DIFFRACTION
,
RESOLUTION
|
| |
|
RAYLEIGH LIMIT (RayleighLimit)
|
|
|
|
|
|
RADIATION MECHANISMS
,
RADIATIVE TRANSFER
|
Refers to radiation mechanisms.
|
| |
|
RAYLEIGH NUMBER (RayleighNumber)
|
|
|
|
|
|
CONVECTION
,
THERMAL STABILITY
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|
|
| Description | alt | broader | narrower | related |
|---|
|
RAYLEIGH SCATTERING (RayleighScattering)
|
|
|
|
LIGHT SCATTERING
,
RADIATION SCATTERING
|
|
AIRGLOW
,
COMPTON SCATTERING
,
INTERSTELLAR ABSORPTION
,
MIE SCATTERING
,
NIGHT SKY BRIGHTNESS
,
THOMSON SCATTERING
|
| |
|
RAYLEIGH TAYLOR INSTABILITY (RayleighTaylorInstability)
|
|
|
|
INSTABILITIES
|
|
FLUID MECHANICS
|
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RAYS (Rays)
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MOON
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Refers to lunar features.
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RAZIN EFFECT (RazinEffect)
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SYNCHROTRON RADIATION
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Also Razin Tsytovich effect
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R CANIS MAJORIS STARS (RCanisMajorisStars)
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rcma stars
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ECLIPSING BINARY STARS
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R CORONAE BOREALIS STARS (RCoronaeBorealisStars)
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rcb stars
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IRREGULAR VARIABLE STARS
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CIRCUMSTELLAR DUST
,
CIRCUMSTELLAR GRAINS
,
SUPERGIANT STARS
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RECEIVERS (Receivers)
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CORRELATION
,
DETECTORS
,
PHASE SENSITIVE DETECTORS
,
PHASE SWITCHING
,
RADIO TELESCOPES
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RECOMBINATION (Recombination)
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ELECTRONS
,
PHOTOIONIZATION
,
RECOMBINATION LINES
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RECOMBINATION LINES (RecombinationLines)
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EMISSION LINES
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RADIO RECOMBINATION LINES
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RADIATION
,
RECOMBINATION
,
SPECTRA
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RECURRENT NOVAS (RecurrentNovas)
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NOVAS
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FAST NOVAS
,
SLOW NOVAS
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A
B
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D
E
F
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| Description | alt | broader | narrower | related |
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REDDENED STARS (ReddenedStars)
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ABSORPTION
,
INTERSTELLAR ABSORPTION
,
INTERSTELLAR REDDENING
,
REDDENING
,
REDDENING LAW
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REDDENING (Reddening)
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INTERSTELLAR REDDENING
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ABSORPTION
,
INTERGALACTIC ABSORPTION
,
INTERSTELLAR ABSORPTION
,
INTERSTELLAR DUST
,
INTERSTELLAR GAS
,
INTRINSIC COLORS
,
REDDENED STARS
,
SELECTIVE ABSORPTION
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REDDENING LAW (ReddeningLaw)
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GAS TO DUST RATIO
,
INTERSTELLAR REDDENING
,
REDDENED STARS
,
SELECTIVE ABSORPTION
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RED DWARF FLARE STARS (RedDwarfFlareStars)
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FLARE STARS
,
LATE TYPE DWARF STARS
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RED DWARF STARS (RedDwarfStars)
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See LATE TYPE DWARF STARS
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RED GIANT STARS (RedGiantStars)
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See LATE TYPE GIANT STARS
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RED GIANT TIP (RedGiantTip)
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GIANT BRANCH
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CARBON FLASH
,
EVOLVED STARS
,
HELIUM FLASH
,
HERTZSPRUNG RUSSELL DIAGRAM
,
LATE TYPE GIANT STARS
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REDSHIFT (Redshift)
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DOPPLER EFFECT
,
LINE SHIFT
|
GRAVITATIONAL REDSHIFT
|
COSMOLOGICAL DISTANCE SCALE
,
COSMOLOGY
,
FREQUENCY SHIFT
,
HUBBLE DIAGRAM
,
HUBBLE LAW
,
K CORRECTION
,
LYMAN ALPHA FOREST
,
OBSERVATIONAL COSMOLOGY
,
RADIAL VELOCITY
,
TULLY FISHER RELATION
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REDSHIFT DISTANCE RELATION (RedshiftDistanceRelation)
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COSMOLOGICAL DISTANCE SCALE
,
COSMOLOGY
,
OBSERVATIONAL COSMOLOGY
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REDSHIFT MAGNITUDE RELATION (RedshiftMagnitudeRelation)
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COSMOLOGICAL DISTANCE SCALE
,
COSMOLOGY
,
HUBBLE CONSTANT
,
HUBBLE DIAGRAM
,
HUBBLE LAW
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A
B
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| Description | alt | broader | narrower | related |
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RED STARS (RedStars)
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See either LATE TYPE STARS or REDDENED STARS
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RED SUPERGIANT STARS (RedSupergiantStars)
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See LATE TYPE SUPERGIANT STARS
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REDUCTION METHODS (ReductionMethods)
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ANALYSES
,
ASTRONOMICAL TECHNIQUES
,
DATA PROCESSING
,
DATA REDUCTION
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REFERENCE FRAMES (ReferenceFrames)
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COORDINATE SYSTEMS
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REFERENCE SYSTEMS (ReferenceSystems)
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ASTROMETRY
,
COORDINATE SYSTEMS
,
POSITIONS
,
SPHERICAL COORDINATES
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REFLECTING TELESCOPES (ReflectingTelescopes)
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reflectors
|
OPTICAL TELESCOPES
|
BAKER NUNN CAMERAS
,
BOUWERS TELESCOPES
,
COELOSTATS
,
MAKSUTOV TELESCOPES
,
MULTIPLE MIRROR TELESCOPES
,
RITCHEY CHRETIEN TELESCOPES
,
SCHMIDT TELESCOPES
,
WIDE FIELD TELESCOPES
|
PARABOLIC REFLECTORS
,
PRIMARY MIRRORS
,
SECONDARY MIRRORS
|
Refers to optical telescopes.
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REFLECTION (Reflection)
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ALBEDO
,
MIRRORS
,
REFRACTION
,
SCATTERING
,
THIN FILMS
,
TRANSMISSION
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REFLECTION GRATINGS (ReflectionGratings)
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DIFFRACTION GRATINGS
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ECHELLE GRATINGS
,
OBJECTIVE GRATINGS
,
TRANSMISSION GRATINGS
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REFLECTION NEBULAE (ReflectionNebulae)
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INTERSTELLAR MATTER
,
NEBULAE
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R ASSOCIATIONS
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REFLECTOR ANTENNAS (ReflectorAntennas)
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ANTENNAS
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A
B
C
D
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F
G
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| Description | alt | broader | narrower | related |
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REFRACTING TELESCOPES (RefractingTelescopes)
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OPTICAL TELESCOPES
|
ZENITH TELESCOPES
|
PRIMARY LENSES
|
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REFRACTION (Refraction)
|
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LENSES
,
LIGHT
,
REFLECTION
,
REFRACTIVE INDEX
,
SCATTERING
,
TRANSMISSION
,
WAVE PROPAGATION
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REFRACTIVE INDEX (RefractiveIndex)
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OPTICAL PROPERTIES
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ATMOSPHERIC REFRACTION
,
LENSES
,
OPTICAL PATHLENGTH
,
OPTICS
,
REFRACTION
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REGRESSION OF NODES (RegressionOfNodes)
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MOON
,
ORBITAL ELEMENTS
|
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RELATIVISTIC ASTROPHYSICS (RelativisticAstrophysics)
|
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BLACK HOLES
,
COSMOLOGY
,
GRAVITY
,
NEUTRON STARS
,
RELATIVISTIC COSMOLOGY
|
| |
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RELATIVISTIC COSMOLOGY (RelativisticCosmology)
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COSMOLOGY
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RELATIVISTIC ASTROPHYSICS
|
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RELATIVISTIC DISKS (RelativisticDisks)
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|
RELATIVISTIC EFFECTS
,
RELATIVISTIC ELECTRONS
,
RELATIVISTIC PLASMAS
,
RELATIVITY
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| |
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RELATIVISTIC EFFECTS (RelativisticEffects)
|
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|
RELATIVISTIC DISKS
,
RELATIVISTIC ELECTRONS
,
RELATIVISTIC PLASMAS
,
RELATIVITY
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| |
|
RELATIVISTIC ELECTRONS (RelativisticElectrons)
|
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|
ELECTRON BEAMS
,
RELATIVISTIC PARTICLES
|
|
RELATIVISTIC DISKS
,
RELATIVISTIC EFFECTS
,
SYNCHROTRON RADIATION
|
| |
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RELATIVISTIC FLUID DYNAMICS (RelativisticFluidDynamics)
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FLUID DYNAMICS
,
RELATIVISTIC MECHANICS
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A
B
C
D
E
F
G
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| Description | alt | broader | narrower | related |
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RELATIVISTIC MECHANICS (RelativisticMechanics)
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RELATIVISTIC FLUID DYNAMICS
|
RELATIVITY
|
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RELATIVISTIC PARTICLES (RelativisticParticles)
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PARTICLES
|
RELATIVISTIC ELECTRONS
|
RADIATION MECHANISMS
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| |
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RELATIVISTIC PLASMAS (RelativisticPlasmas)
|
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relativistic gas
|
GASES
,
PLASMAS
|
|
RADIATION MECHANISMS
,
RELATIVISTIC DISKS
,
RELATIVISTIC EFFECTS
,
RELATIVITY
|
| |
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RELATIVISTIC STARS (RelativisticStars)
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BLACK HOLES
,
NEUTRON STARS
,
PULSARS
|
RELATIVITY
,
X RAY SOURCES
|
| |
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RELATIVISTIC VELOCITY (RelativisticVelocity)
|
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VELOCITY
|
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BIG BANG THEORY
,
COSMOLOGY
,
QUANTUM MECHANICS
,
RELATIVITY
|
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|
RELATIVITY (Relativity)
|
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|
COSMOGONY
|
GENERAL THEORY OF RELATIVITY
|
FIELD EQUATIONS
,
GRAVITATION
,
INERTIAL COORDINATE SYSTEM
,
INERTIAL REFERENCE FRAME
,
RELATIVISTIC DISKS
,
RELATIVISTIC EFFECTS
,
RELATIVISTIC MECHANICS
,
RELATIVISTIC PLASMAS
,
RELATIVISTIC STARS
,
RELATIVISTIC VELOCITY
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RELAXATION TIME (RelaxationTime)
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AGE
,
CLUSTERS OF GALAXIES
,
STAR CLUSTERS
,
STELLAR DYNAMICS
|
| |
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REMOTE CONTROL SYSTEMS (RemoteControlSystems)
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CONTROL SYSTEMS
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AUTOMATED TELESCOPES
,
AUTOMATIC PATROL TELESCOPES
,
TELESCOPE INSTRUMENTATION
,
TELESCOPES
|
| |
|
REMOTE SENSING (RemoteSensing)
|
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DETECTORS
,
INFRARED RADIATION
,
MICROWAVE RADIATION
|
| |
|
RESEARCH (Research)
|
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DESIGN
,
DISCOVERIES
,
OBSERVATIONS
,
THEORY
|
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A
B
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F
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| Description | alt | broader | narrower | related |
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RESEAUX (Reseaux)
|
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CALIBRATION
,
GRIDS
,
PHOTOGRAPHIC PLATES
,
SPECTROSCOPY
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RESIDUAL INTENSITY (ResidualIntensity)
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ABSORPTION LINES
,
LINE PROFILES
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| |
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RESOLUTION (Resolution)
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|
ANGULAR RESOLUTION
,
SPECTRAL RESOLUTION
|
INTERFEROMETRY
,
OPTICS
,
PIXEL
,
RAYLEIGH CRITERION
,
SENSITIVITY
,
SIDELOBES
,
VISUAL ACUITY
|
| |
|
RESONANCE GAPS (ResonanceGaps)
|
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|
KIRKWOOD GAPS
|
MINOR PLANETS
,
PLANETARY RINGS
,
PLANETS
,
SHEPHERD SATELLITES
|
| |
|
RESONANCE LINES (ResonanceLines)
|
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|
H ALPHA
,
LYMAN ALPHA
|
SPECTRA
|
Not a complete list of terms.
|
| |
|
RETARDATION (Retardation)
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|
Combine with other terms
|
| |
|
RETICLE (Reticle)
|
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|
EYEPIECES
,
GRATICULE
,
GRIDS
|
| |
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RETICON ARRAYS (ReticonArrays)
|
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|
MULTICHANNEL DETECTORS
|
|
DIODE ARRAYS
|
| |
|
RGU PHOTOMETRY (RguPhotometry)
|
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|
BROAD BAND PHOTOMETRY
|
|
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|
RHO CASSIOPEIAE STARS (RhoCassiopeiaeStars)
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rho cas stars
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A
B
C
D
E
F
G
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| Description | alt | broader | narrower | related |
|---|
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RIGHT ASCENSION (RightAscension)
|
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|
CELESTIAL EQUATOR
,
DECLINATION
,
EQUATOR
,
EQUATORIAL COORDINATE SYSTEM
,
HOUR ANGLE
,
TRANSIT TIME
|
| |
|
RIGID BODY ROTATION (RigidBodyRotation)
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ROTATION
|
|
ROTATING BODIES
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RILLES (Rilles)
|
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|
PLANETS
,
SATELLITES
|
| |
|
RING DIVISIONS (RingDivisions)
|
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|
PLANETARY RINGS
,
PLANETS
|
| |
|
RING GALAXIES (RingGalaxies)
|
|
|
|
GALAXIES
,
PECULIAR GALAXIES
|
|
RINGS
|
| |
|
RING NEBULAE (RingNebulae)
|
|
|
|
NEBULAE
|
|
PLANETARY NEBULAE
|
| |
|
RINGS (Rings)
|
|
|
|
|
PLANETARY RINGS
,
STELLAR RINGS
|
ANSAE
,
RING GALAXIES
|
| |
|
RITCHEY CHRETIEN TELESCOPES (RitcheyChretienTelescopes)
|
|
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|
REFLECTING TELESCOPES
|
|
|
| |
|
R MAGNITUDE (RMagnitude)
|
|
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|
APPARENT MAGNITUDES
|
|
JOHNSON PHOTOMETRY
|
| |
|
ROCHE LIMIT (RocheLimit)
|
|
|
|
|
|
CLOSE BINARY STARS
,
GRAVITATION
,
ORBITS
,
PLANETARY RINGS
,
PLANETS
,
TIDAL DISRUPTION
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
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M
N
O
P
Q
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| Description | alt | broader | narrower | related |
|---|
|
ROCHE LOBE (RocheLobe)
|
|
|
|
|
|
CLOSE BINARY STARS
,
ECLIPSING BINARY STARS
,
INTERACTING BINARY STARS
,
TIDAL INTERACTION
|
| |
|
ROCKET BORNE INSTRUMENTS (RocketBorneInstruments)
|
|
|
|
|
|
AIRPLANE BORNE INSTRUMENTS
,
BALLOON BORNE INSTRUMENTS
,
COSMIC RAY ASTRONOMY
,
GAMMA RAY ASTRONOMY
,
GROUND BASED ASTRONOMY
,
INFRARED OBSERVATORIES
,
SATELLITE BORNE INSTRUMENTS
,
SPACE PROBE INSTRUMENTS
,
SPACE TELESCOPES
,
ULTRAVIOLET ASTRONOMY
,
X RAY ASTRONOMY
|
| |
|
ROSSELAND OPACITY (RosselandOpacity)
|
|
|
|
OPACITY
|
|
ABSORPTION
,
KRAMERS OPACITY
,
STELLAR INTERIORS
|
| |
|
ROTATING BODIES (RotatingBodies)
|
|
|
|
|
CIRCUMSTELLAR DISKS
,
CIRCUMSTELLAR SHELLS
,
ROTATING STARS
|
RIGID BODY ROTATION
,
ROTATION
|
| |
|
ROTATING STARS (RotatingStars)
|
|
|
|
ROTATING BODIES
|
|
RADIATIVE BRAKING
,
SYNCHRONOUS ROTATION
,
VON ZEIPEL THEOREM
|
| |
|
ROTATION (Rotation)
|
|
|
|
|
DIFFERENTIAL ROTATION
,
RIGID BODY ROTATION
,
SYNCHRONOUS ROTATION
|
ANGULAR MOMENTUM
,
ANGULAR VELOCITY
,
EQUATORIAL BULGE
,
OBLATENESS
,
PERIOD
,
ROTATING BODIES
|
Combine with other terms
|
| |
|
r PROCESS (rProcess)
|
|
|
|
|
|
NUCLEOSYNTHESIS
,
p PROCESS
,
s PROCESS
,
SUPERNOVAS
|
| |
|
RRab STARS (RrabStars)
|
|
|
|
RR LYRAE STARS
|
|
|
| |
|
RRa STARS (RraStars)
|
|
|
|
RR LYRAE STARS
|
|
|
| |
|
RRb STARS (RrbStars)
|
|
|
|
RR LYRAE STARS
|
|
|
| |
|
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
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R
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U
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Y
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|
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| Description | alt | broader | narrower | related |
|---|
|
RRc STARS (RrcStars)
|
|
|
|
RR LYRAE STARS
|
|
|
| |
|
RR LYRAE STARS (RrLyraeStars)
|
|
|
ab variable stars
,
cluster type variable stars
|
DOUBLE MODE VARIABLE STARS
,
POPULATION II CEPHEIDS
,
PULSATING VARIABLE STARS
|
BAILEY TYPES
,
RRa STARS
,
RRab STARS
,
RRb STARS
,
RRc STARS
|
BL HERCULIS STARS
,
BLAZHKO EFFECT
,
CEPHEIDS
,
GALACTIC HALO
,
GLOBULAR STAR CLUSTERS
,
HORIZONTAL BRANCH STARS
,
OOSTERHOFF GROUPS
,
W VIRGINIS STARS
|
| |
|
RR TELESCOPII STARS (RrTelescopiiStars)
|
|
|
|
|
|
|
| |
|
RS CANUM VENATICORUM STARS (RsCanumVenaticorumStars)
|
|
|
|
BINARY STARS
,
MULTIPERIODIC VARIABLE STARS
,
X RAY SOURCES
|
|
STARSPOTS
|
| |
|
R STARS (RStars)
|
|
|
|
GIANT STARS
,
LATE TYPE STARS
|
|
CARBON STARS
,
SPECTRAL TYPES
|
| |
|
RUNAWAY STARS (RunawayStars)
|
|
|
|
|
|
BINARY STARS
,
HIGH VELOCITY STARS
,
OB STARS
,
SUPERNOVAS
|
| |
|
RV TAURI STARS (RvTauriStars)
|
|
|
|
EMISSION LINE STARS
,
IRREGULAR VARIABLE STARS
,
LATE TYPE SUPERGIANT STARS
,
LONG PERIOD VARIABLE STARS
,
PULSATING VARIABLE STARS
,
SEMIREGULAR VARIABLE STARS
|
|
RADIAL PULSATIONS
,
S VULPECULAE STARS
|
| |
|
RW AURIGAE STARS (RwAurigaeStars)
|
|
|
|
CATACLYSMIC VARIABLE STARS
,
EMISSION LINE STARS
,
IRREGULAR VARIABLE STARS
,
PREMAINSEQUENCE STARS
,
ULTRAVIOLET EXCESS STARS
|
|
H ALPHA EMISSION LINE STARS
,
T ASSOCIATIONS
,
T TAURI STARS
|
| |