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
Descriptionaltbroadernarrowerrelated
TAILS      (Tails)
COMETS ,
HEAD TAIL GALAXIES ,
INTERACTING GALAXIES ,
STREAMERS
 
TANGENTIAL VELOCITY      (TangentialVelocity)
VELOCITY ORBITAL VELOCITY ,
RADIAL VELOCITY
 
  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
Descriptionaltbroadernarrowerrelated
T ARRAYS      (TArrays)
ARRAYS ,
RADIO INTERFEROMETERS
Y ARRAYS
 
T ASSOCIATIONS      (TAssociations)
STAR ASSOCIATIONS FLARE STARS ,
FLASH STARS ,
FU ORIONIS STARS ,
H ALPHA EMISSION LINE STARS ,
HERBIG HARO OBJECTS ,
IRREGULAR VARIABLE STARS ,
PREMAINSEQUENCE STARS ,
RW AURIGAE STARS ,
T TAURI STARS ,
YOUNG STAR CLUSTERS ,
YOUNG STARS
 
TAXONOMY      (Taxonomy)
CLASSIFICATION
 
TEACHING IN ASTRONOMY      (TeachingInAstronomy)
education
 
TECHNETIUM LINES      (TechnetiumLines)
METAL LINES ,
SPECTRAL LINES
 
TECHNETIUM STARS      (TechnetiumStars)
N STARS ,
S STARS
 
TEKTITES      (Tektites)
METEORITES AUSTRALITES ,
BEDIASITES ,
INDOCHINITES ,
MOLDAVITES
 
TELESCOPE ARRAYS      (TelescopeArrays)
ARRAYS FILLING FACTOR ,
INTERFEROMETERS ,
TELESCOPES
 
TELESCOPE CONSTRUCTION      (TelescopeConstruction)
TELESCOPES
 
TELESCOPE DESIGN      (TelescopeDesign)
TELESCOPE MOUNTINGS ,
TELESCOPES
 
  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
Descriptionaltbroadernarrowerrelated
TELESCOPE INSTRUMENTATION      (TelescopeInstrumentation)
INSTRUMENTATION PHOTOMETERS ,
POLARIMETERS ,
SPECTROGRAPHS
CONTROL SYSTEMS ,
DETECTORS ,
FEED HORNS ,
FEEDS ,
REMOTE CONTROL SYSTEMS ,
SPECTROPHOTOMETERS ,
TELESCOPES
Not a complete list of terms.
 
TELESCOPE MIRRORS      (TelescopeMirrors)
MIRRORS PRIMARY MIRRORS ,
SECONDARY MIRRORS
TELESCOPES
 
TELESCOPE MOUNTINGS      (TelescopeMountings)
ALTAZIMUTH MOUNTING ,
EQUATORIAL MOUNTING
COELOSTATS ,
HELIOSTATS ,
POLAR AXIS ,
SIDEROSTATS ,
TELESCOPE DESIGN ,
TELESCOPES
 
TELESCOPES      (Telescopes)
OPTICAL INSTRUMENTS AUTOMATED TELESCOPES ,
GAMMA RAY TELESCOPES ,
INFRARED TELESCOPES ,
OPTICAL TELESCOPES ,
RADIO TELESCOPES ,
SOLAR TELESCOPES ,
SPACE TELESCOPES
ABERRATIONS ,
ANTENNAS ,
CONTROL SYSTEMS ,
DOMES ,
DRIVES ,
FOCUS ,
GUIDE SYSTEMS ,
OBSERVATORIES ,
POINTING ACCURACY ,
POINTING ERRORS ,
REMOTE CONTROL SYSTEMS ,
SUPPORT SYSTEMS ,
TELESCOPE ARRAYS ,
TELESCOPE CONSTRUCTION ,
TELESCOPE DESIGN ,
TELESCOPE INSTRUMENTATION ,
TELESCOPE MIRRORS ,
TELESCOPE MOUNTINGS ,
VIGNETTING
Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.
 
TELEVISION      (Television)
tv TELEVISION CAMERAS ,
TELEVISION DETECTORS
 
TELEVISION CAMERAS      (TelevisionCameras)
tv cameras TELEVISION ,
TELEVISION DETECTORS ,
TWO DIMENSIONAL DETECTORS
 
TELEVISION DETECTORS      (TelevisionDetectors)
television camera tubes ,
tv cameras
MULTICHANNEL DETECTORS ,
PHOTOELECTRONIC DEVICES ,
TWO DIMENSIONAL DETECTORS
CCD DETECTORS ,
TELEVISION ,
TELEVISION CAMERAS
 
TELLURIC LINES      (TelluricLines)
SPECTRAL LINES EARTH ATMOSPHERE ,
SPECTRAL BANDS
From earth's atmosphere.
 
TEMPERATURE      (Temperature)
BRIGHTNESS TEMPERATURE ,
EFFECTIVE TEMPERATURE ,
ION TEMPERATURE
ABSOLUTE TEMPERATURE SCALE ,
CELSIUS TEMPERATURE SCALE ,
COLOR ,
EMISSIVITY ,
LIMB BRIGHTENING ,
LIMB DARKENING ,
RADIATIVE EQUILIBRIUM ,
SPECTRAL TYPES ,
SURFACE BRIGHTNESS ,
THERMAL CONDUCTIVITY ,
THERMODYNAMICS
Combine with other terms
 
TEMPERATURE CONTROL      (TemperatureControl)
AIR CONDITIONING ,
CRYOGENICS ,
CRYOSTATS ,
DOMES ,
TEMPERATURE DISTRIBUTION ,
VENTILATION
 
  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
Descriptionaltbroadernarrowerrelated
TEMPERATURE DISTRIBUTION      (TemperatureDistribution)
TEMPERATURE CONTROL ,
TEMPERATURE ZONES
 
TEMPERATURE EFFECTS      (TemperatureEffects)
thermal effects
Combine with other terms
 
TEMPERATURE FLUCTUATIONS      (TemperatureFluctuations)
Combine with other terms
 
TEMPERATURE SCALES      (TemperatureScales)
ABSOLUTE TEMPERATURE SCALE ,
CELSIUS TEMPERATURE SCALE
KELVIN
 
TEMPERATURE ZONES      (TemperatureZones)
ATMOSPHERES ,
STELLAR INTERIORS ,
TEMPERATURE DISTRIBUTION
 
TERMINATOR LINES      (TerminatorLines)
PHASE [MOON]
 
TERRESTRIAL RADIATION      (TerrestrialRadiation)
ATMOSPHERIC RADIATION GREENHOUSE EFFECT ,
INFRARED RADIATION
 
TESTING      (Testing)
Combine with other terms
 
THEORY      (Theory)
RESEARCH
Combine with other terms
 
THERMAL CONDUCTIVITY      (ThermalConductivity)
CONDUCTION ,
TEMPERATURE
 
  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
Descriptionaltbroadernarrowerrelated
THERMAL EMISSION      (ThermalEmission)
FREE FREE EMISSION ,
INFRARED EMISSION
 
THERMAL EQUILIBRIUM      (ThermalEquilibrium)
LOCAL THERMODYNAMIC EQUILIBRIUM ,
SAHA EQUATION ,
THERMAL INSTABILITY ,
THERMODYNAMIC EQUILIBRIUM ,
THERMODYNAMICS
 
THERMAL HISTORY      (ThermalHistory)
Combine with other terms
 
THERMAL INSTABILITY      (ThermalInstability)
CONVECTION ,
LOCAL THERMODYNAMIC EQUILIBRIUM ,
THERMAL EQUILIBRIUM ,
THERMODYNAMIC EQUILIBRIUM ,
TURBULENCE [EARTH ATMOSPHERE] ,
TURBULENCE [STAR ATMOSPHERE]
 
THERMAL PROPERTIES      (ThermalProperties)
PROPERTIES
Combine with other terms
 
THERMAL RADIATION      (ThermalRadiation)
RADIATION BLACK BODY RADIATION ,
INFRARED RADIATION ,
JOHNSON NOISE
 
THERMAL STABILITY      (ThermalStability)
LOCAL THERMODYNAMIC EQUILIBRIUM ,
RAYLEIGH NUMBER ,
THERMODYNAMIC EQUILIBRIUM
 
THERMAL STRUCTURE      (ThermalStructure)
CONVECTION ,
TURBULENCE [EARTH ATMOSPHERE] ,
TURBULENCE [STAR ATMOSPHERE]
Combine with other terms
 
THERMIONIC EMISSION      (ThermionicEmission)
dark current CATHODES ,
ELECTRONS ,
IONS
 
THERMODYNAMIC EQUILIBRIUM      (ThermodynamicEquilibrium)
LOCAL THERMODYNAMIC EQUILIBRIUM ENERGY TRANSFER ,
THERMAL EQUILIBRIUM ,
THERMAL INSTABILITY ,
THERMAL STABILITY ,
THERMODYNAMICS
 
  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
Descriptionaltbroadernarrowerrelated
THERMODYNAMICS      (Thermodynamics)
ADIABATIC PROCESS ,
ENERGY TRANSFER ,
ENTHALPY ,
ENTROPY ,
LOCAL THERMODYNAMIC EQUILIBRIUM ,
PLASMAS ,
TEMPERATURE ,
THERMAL EQUILIBRIUM ,
THERMODYNAMIC EQUILIBRIUM
 
THERMOLUMINESCENCE      (Thermoluminescence)
LUMINESCENCE
 
THERMONUCLEAR REACTIONS      (ThermonuclearReactions)
See NUCLEAR FUSION
 
THERMOSPHERE      (Thermosphere)
EARTH ATMOSPHERE ,
EXOSPHERE ,
IONOSPHERE ,
MESOPAUSE ,
UPPER ATMOSPHERE
 
THICKNESS      (Thickness)
Combine with other terms
 
THIN FILMS      (ThinFilms)
OPTICAL FILMS ALUMINUM COATINGS ,
ANTIREFLECTION COATINGS ,
SILVER COATINGS
COATINGS ,
MIRRORS ,
REFLECTION ,
SURFACES [OPTICAL] ,
VACUUM TECHNIQUES ,
VAPOR DEPOSITION
 
THOMSON SCATTERING      (ThomsonScattering)
COMPTON SCATTERING ,
LIGHT SCATTERING ,
RADIATION SCATTERING
RAYLEIGH SCATTERING
 
THREE BODY PROBLEM      (ThreeBodyProblem)
CELESTIAL MECHANICS ,
N BODY PROBLEM ,
ORBITS ,
PERTURBATION ,
STELLAR DYNAMICS ,
TWO BODY PROBLEM
 
TIDAL DISRUPTION      (TidalDisruption)
DIFFERENTIAL ROTATION ,
ROCHE LIMIT ,
STAR CLUSTERS ,
TIDAL DISTORTION ,
TIDAL FRICTION ,
TIDAL INTERACTION ,
TIDAL RADIUS
 
TIDAL DISTORTION      (TidalDistortion)
DIFFERENTIAL ROTATION ,
INTERACTING GALAXIES ,
TIDAL DISRUPTION ,
TIDAL FRICTION ,
TIDAL INTERACTION
 
  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
Descriptionaltbroadernarrowerrelated
TIDAL FRICTION      (TidalFriction)
CLOSE BINARY STARS ,
EARTH MOON SYSTEM ,
INTERACTING BINARY STARS ,
INTERACTING GALAXIES ,
TIDAL DISRUPTION ,
TIDAL DISTORTION ,
TIDAL INTERACTION ,
TIDES
 
TIDAL INTERACTION      (TidalInteraction)
INTERACTING BINARY STARS ,
INTERACTING GALAXIES ,
ROCHE LOBE ,
TIDAL DISRUPTION ,
TIDAL DISTORTION ,
TIDAL FRICTION
 
TIDAL RADIUS      (TidalRadius)
STAR CLUSTERS ,
TIDAL DISRUPTION
 
TIDES      (Tides)
ATMOSPHERIC TIDES ,
OCEAN TIDES ,
POLAR TIDES
TIDAL FRICTION
 
TIME      (Time)
time determination ,
time measurement
CIVIL TIME ,
DYNAMICAL TIME ,
EPHEMERIS TIME ,
MEAN SOLAR TIME ,
SIDEREAL TIME ,
UNIVERSAL TIME
ASTROMETRIC INSTRUMENTS ,
ATOMIC CLOCKS ,
BESSELIAN EPOCH ,
CALENDARS ,
CHRONOMETERS ,
CLOCKS ,
EARTH ORBIT ,
EARTH ROTATION ,
EPHEMERIDES ,
EPOCH ,
GENERAL THEORY OF RELATIVITY ,
GREGORIAN CALENDAR ,
JULIAN DATE ,
JULIAN EPOCH ,
TRANSIT INSTRUMENTS ,
TRANSIT TIME ,
YEAR
 
TIME RESOLVED SPECTROSCOPY      (TimeResolvedSpectroscopy)
SPECTROSCOPY HIGH SPEED PHOTOMETERS ,
VARIABLE STARS
 
TIME SIGNALS      (TimeSignals)
TIME STANDARDS ,
TIME SYNCHRONIZATION
 
TIME STANDARDS      (TimeStandards)
ATOMIC CLOCKS ,
CLOCKS ,
TIME SIGNALS ,
TIME SYNCHRONIZATION
 
TIME SYNCHRONIZATION      (TimeSynchronization)
ATOMIC CLOCKS ,
RADIO INTERFEROMETRY ,
TIME SIGNALS ,
TIME STANDARDS ,
VERY LONG BASELINE INTERFEROMETRY
 
TIMING EQUIPMENT      (TimingEquipment)
timing devices CLOCKS ,
PENDULUMS
 
  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
Descriptionaltbroadernarrowerrelated
TIP TILT MIRRORS      (TipTiltMirrors)
ACTIVE OPTICS ,
SEEING ,
SEGMENTED OPTICS
 
TOPOGRAPHY      (Topography)
EARTH ,
PLANETS ,
SATELLITES ,
SURFACES [CELESTIAL BODIES]
Combine with other terms
 
TORI      (Tori)
CIRCUMSTELLAR DISKS ,
INTERSTELLAR MATTER
Plural of torus
 
TOTAL ECLIPSES      (TotalEclipses)
ECLIPSES ANNULAR ECLIPSES ,
ECLIPSING BINARY STARS ,
PARTIAL ECLIPSE ,
UMBRA
 
TRACE ELEMENTS      (TraceElements)
CHEMICAL ELEMENTS METAL ABUNDANCE
 
TRACKING      (Tracking)
AUTOGUIDERS ,
CONTROL SYSTEMS ,
POINTING ACCURACY ,
POINTING ERRORS
 
TRAJECTORIES      (Trajectories)
ORBITS
 
TRANSFER FUNCTIONS      (TransferFunctions)
MODULATION TRANSFER FUNCTION ,
OPTICAL TRANSFER FUNCTION
 
TRANSIT CIRCLES      (TransitCircles)
TRANSIT INSTRUMENTS TRANSIT TELESCOPES
 
TRANSIT INSTRUMENTS      (TransitInstruments)
ASTROMETRIC INSTRUMENTS MERIDIAN CIRCLES ,
TRANSIT CIRCLES ,
TRANSIT TELESCOPES
ASTROMETRY ,
MERIDIAN OBSERVATIONS ,
TIME ,
TRANSITS
 
  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
Descriptionaltbroadernarrowerrelated
TRANSITION PROBABILITIES      (TransitionProbabilities)
LINE FORMATION ,
LINE WIDTHS ,
OSCILLATOR STRENGTHS ,
SPECTRAL LINES
 
TRANSITION REGION      (TransitionRegion)
CHROMOSPHERE ,
SOLAR CORONA
 
TRANSITS      (Transits)
ASTROMETRY ,
ECLIPSES ,
OCCULTATIONS ,
TRANSIT INSTRUMENTS
 
TRANSIT TELESCOPES      (TransitTelescopes)
TRANSIT INSTRUMENTS ZENITH TELESCOPES MERIDIAN OBSERVATIONS ,
TRANSIT CIRCLES ,
TRANSIT TIME
 
TRANSIT TIME      (TransitTime)
HOUR ANGLE ,
MERIDIAN OBSERVATIONS ,
RIGHT ASCENSION ,
SIDEREAL TIME ,
TIME ,
TRANSIT TELESCOPES
 
TRANSMISSION      (Transmission)
ABSORPTION ,
OPTICS ,
REFLECTION ,
REFRACTION ,
TRANSPARENCY
Combine with other terms
 
TRANSMISSION GRATINGS      (TransmissionGratings)
DIFFRACTION GRATINGS OBJECTIVE GRATINGS ECHELLE GRATINGS ,
GRISMS ,
REFLECTION GRATINGS
 
TRANSPARENCY      (Transparency)
ABSORPTION COEFFICIENT ,
ATMOSPHERIC WINDOWS ,
OPACITY ,
TRANSMISSION
 
TRANSPLUTONIAN PLANETS      (TransplutonianPlanets)
SOLAR SYSTEM
 
TRANSPORT PROCESSES      (TransportProcesses)
RADIATIVE TRANSFER
 
  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
Descriptionaltbroadernarrowerrelated
TRANSVERSE VELOCITY      (TransverseVelocity)
VELOCITY PROPER MOTIONS ,
RADIAL VELOCITY ,
SPACE MOTION
 
TRIGONOMETRIC PARALLAX      (TrigonometricParallax)
PARALLAXES ASTRONOMICAL UNIT ,
DISTANCE ,
NEARBY STARS
 
TROJAN GROUP      (TrojanGroup)
MINOR PLANET FAMILIES AMOR GROUP ,
APOLLO GROUP
 
TROPICAL YEAR      (TropicalYear)
YEAR EARTH ORBIT
 
TROPIC OF CANCER      (TropicOfCancer)
SOLSTICES ,
SUMMER SOLSTICE ,
TROPIC OF CAPRICORN
 
TROPIC OF CAPRICORN      (TropicOfCapricorn)
SOLSTICES ,
TROPIC OF CANCER ,
WINTER SOLSTICE
 
TROPOPAUSE      (Tropopause)
EARTH ATMOSPHERE ,
STRATOSPHERE ,
TROPOSPHERE
 
TROPOSPHERE      (Troposphere)
EARTH ,
EARTH ATMOSPHERE ,
EXOSPHERE ,
TROPOPAUSE
 
TRUE POSITIONS      (TruePositions)
POSITIONS APPARENT POSITIONS ,
ASTROMETRY ,
COORDINATE SYSTEMS
 
T TAURI STARS      (TTauriStars)
yy orionis stars EMISSION LINE STARS ,
IRREGULAR VARIABLE STARS ,
PREMAINSEQUENCE STARS
FU ORIONIS STARS EMISSION NEBULAE ,
HERBIG HARO OBJECTS ,
PROTOSTARS ,
RW AURIGAE STARS ,
T ASSOCIATIONS
 
  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
Descriptionaltbroadernarrowerrelated
TULLY FISHER RELATION      (TullyFisherRelation)
COSMOLOGY ,
GALAXIES ,
LINE WIDTHS ,
REDSHIFT
 
TURBIDITY      (Turbidity)
HALATION ,
PHOTOGRAPHIC EMULSIONS
 
TURBULENCE [EARTH ATMOSPHERE]      (TurbulenceEarthAtmosphere)
MACROTURBULENCE ,
MICROTURBULENCE
CONVECTION ,
EARTH ATMOSPHERE ,
POINT SPREAD FUNCTION ,
SCINTILLATION ,
SEEING ,
THERMAL INSTABILITY ,
THERMAL STRUCTURE
In earth's atmosphere
 
TURBULENCE [STAR ATMOSPHERE]      (TurbulenceStarAtmosphere)
MACROTURBULENCE ,
MICROTURBULENCE
CONVECTION ,
LINE BROADENING ,
STELLAR ATMOSPHERES ,
THERMAL INSTABILITY ,
THERMAL STRUCTURE
In stellar atmospheres or in interstellar matter.
 
TURNOFF POINT      (TurnoffPoint)
AGE ,
GIANT BRANCH ,
GLOBULAR STAR CLUSTERS ,
HERTZSPRUNG RUSSELL DIAGRAM ,
MAINSEQUENCE ,
OPEN STAR CLUSTERS
 
TWILIGHT      (Twilight)
EARTH ATMOSPHERE ,
SKY BRIGHTNESS ,
SUNLIGHT
 
TWO BODY PROBLEM      (TwoBodyProblem)
BINARY STARS ,
CELESTIAL MECHANICS ,
EARTH MOON SYSTEM ,
N BODY PROBLEM ,
PLANETS ,
STELLAR DYNAMICS ,
THREE BODY PROBLEM
 
TWO COLOR DIAGRAMS      (TwoColorDiagrams)
COLOR INDICES ,
PHOTOMETRY
 
TWO COLOR PHOTOMETRY      (TwoColorPhotometry)
BROAD BAND PHOTOMETRY BV PHOTOMETRY ,
JOHNSON PHOTOMETRY
 
TWO DIMENSIONAL DETECTORS      (TwoDimensionalDetectors)
DETECTORS CCD DETECTORS ,
IMAGE TUBES ,
TELEVISION DETECTORS
CHARGE COUPLED DEVICES ,
CHARGE INJECTION DEVICES ,
CHARGE TRANSFER DEVICES ,
FLAT FIELDS ,
IMAGE PROCESSING ,
PIXEL ,
TELEVISION CAMERAS
 
  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
Descriptionaltbroadernarrowerrelated
TWO DIMENSIONAL SPECTRA      (TwoDimensionalSpectra)
SPECTRA EXTENDED OBJECTS ,
LONG SLIT SPECTRA ,
TWO DIMENSIONAL SPECTROSCOPY
 
TWO DIMENSIONAL SPECTROSCOPY      (TwoDimensionalSpectroscopy)
SPECTROSCOPY TWO DIMENSIONAL SPECTRA
 
TWO SPECTRUM BINARY STARS      (TwoSpectrumBinaryStars)
spectrum binary stars SPECTROSCOPIC BINARY STARS
 

Thu Jul 3 15:11:37 2008