The Astronomy Thesaurus

  1. A DWARF STARS
  2. A GIANT STARS
  3. A STARS
  4. A SUBDWARF STARS
  5. A SUBGIANT STARS
  6. A SUPERGIANT STARS
  7. ab variable stars USE RR LYRAE STARS
  8. ABELL CLUSTERS
  9. ABERRATION
  10. ABERRATIONS
  11. ABLATION
  12. ABNORMAL SPECTRA
  13. absolute intensity USE LUMINOSITY
  14. ABSOLUTE MAGNITUDE
  15. ABSOLUTE TEMPERATURE SCALE
  16. ABSORPTION
  17. ABSORPTION COEFFICIENT
  18. ABSORPTION LINES
  19. absorption nebulae USE DARK NEBULAE
  20. ABSORPTION SPECTRA
  21. ABSORPTION SPECTROSCOPY
  22. absorptivity USE ABSORPTION COEFFICIENT
  23. ABUNDANCE
  24. ABUNDANCE RATIOS
  25. ACCELERATION
  26. acceleration of gravity USE SURFACE GRAVITY
  27. ACCRETION
  28. ACCRETION DISKS
  29. ACHONDRITES
  30. ACOUSTIC WAVES
  31. ACOUSTICS
  32. ACTIVE GALACTIC NUCLEI
  33. ACTIVE GALAXIES
  34. ACTIVE OPTICS
  35. ACTIVE PROMINENCES
  36. ACTIVE STARS
  37. ACTIVE SUN
  38. ACTIVITY INDEXES
  39. ADAPTION
  40. ADAPTIVE OPTICS
  41. ADIABATIC PROCESS
  42. ADJUSTMENT
  43. ADSORPTION
  44. Ae STARS
  45. aerials USE ANTENNAS
  46. AEROLITES
  47. AERONOMY
  48. AFTERGLOW
  49. agb USE ASYMPTOTIC GIANT BRANCH
  50. AGE
  51. agn USE ACTIVE GALACTIC NUCLEI
  52. ai velorum stars USE DELTA SCUTI STARS
  53. AIR
  54. AIR CONDITIONING
  55. AIR POLLUTION
  56. air showers USE COSMIC RAY SHOWERS
  57. AIRGLOW
  58. AIRPLANE BORNE INSTRUMENTS
  59. AIRY DISKS
  60. ALBEDO
  61. ALFVEN SURFACE
  62. alfven waves USE MAGNETOHYDRODYNAMICS
  63. ALGOL VARIABLE STARS
  64. ALIGNMENT [OPTICS]
  65. ALIGNMENT [PLANETS]
  66. ALL SKY CAMERAS
  67. ALL SKY PHOTOGRAPHY
  68. ALMANACS
  69. ALPHA PARTICLES
  70. ALPHA2 CANUM VENATICORUM STARS
  71. ALTAZIMUTH MOUNTING
  72. ALTIMETERS
  73. ALTIMETRY
  74. ALTITUDE [ANGLE]
  75. altitude [height] USE ELEVATION
  76. aluminium coatings USE ALUMINUM COATINGS
  77. ALUMINIZING
  78. ALUMINUM COATINGS
  79. AM CANUM VENATICORUM STARS
  80. AM HERCULIS STARS
  81. Am STARS
  82. AMATEUR ASTRONOMY
  83. AMMONIA
  84. AMOR GROUP
  85. AMPLIFIERS
  86. AMPLITUDES
  87. ANALOG RECORDERS
  88. ANALYSES
  89. ancient astronomy USE ARCHAEOASTRONOMY
  90. ANGLE OF REFRACTION
  91. angular coordinates USE SPHERICAL COORDINATES
  92. ANGULAR DIAMETERS
  93. angular distance USE ANGULAR SEPARATION
  94. ANGULAR MOMENTUM
  95. ANGULAR RESOLUTION
  96. ANGULAR SEPARATION
  97. ANGULAR VELOCITY
  98. ANISOTROPY
  99. ANNUAL EQUATION
  100. ANNUAL PARALLAX
  101. ANNULAR ECLIPSES
  102. ANOMALIES
  103. ANOMALISTIC MONTH
  104. ANOMALISTIC YEAR
  105. ANOMALY
  106. ANSAE
  107. ANTAPEX
  108. ANTARCTIC OBSERVATORIES
  109. ANTENNA DESIGN
  110. ANTENNAS
  111. ANTHROPIC PRINCIPLE
  112. anticenter USE GALACTIC ANTICENTER
  113. ANTIMATTER
  114. ANTINEUTRINOS
  115. ANTINODES
  116. ANTINUCLEONS
  117. ANTIPARTICLES
  118. ANTIPROTONS
  119. ANTIREFLECTION COATINGS
  120. Ap STARS
  121. APASTRON
  122. APERIODIC COMETS
  123. APERTURE SYNTHESIS
  124. APERTURES
  125. APEX
  126. APHELION
  127. APOCENTER
  128. APODIZATION
  129. APOGEE
  130. APOLLO GROUP
  131. apparent anomaly USE ANOMALY
  132. apparent diameters USE ANGULAR DIAMETERS
  133. APPARENT INTENSITY
  134. APPARENT MAGNITUDES
  135. apparent places USE APPARENT POSITIONS
  136. APPARENT POSITIONS
  137. APPARENT SUPERLUMINAL MOTION
  138. apse USE APSIDES
  139. APSIDAL MOTIONS
  140. APSIDES
  141. apsis USE APSIDES
  142. ARCHAEOASTRONOMY
  143. arcs USE LUMINOUS ARCS
  144. area photometry USE SURFACE PHOTOMETRY
  145. ARMILLARY SPHERES
  146. arms USE SPIRAL ARMS
  147. ARRAY PROCESSORS
  148. ARRAYS
  149. ARTIFICIAL SATELLITES
  150. ascending nodes USE NODES
  151. ASHEN LIGHT
  152. ASTEROID BELT
  153. ASTEROIDS
  154. ASTEROSEISMOLOGY
  155. ASTIGMATISM
  156. astroarchaeology USE ARCHAEOASTRONOMY
  157. astrobiology USE EXOBIOLOGY
  158. astrochemistry USE COSMOCHEMISTRY
  159. ASTRODYNAMICS
  160. ASTROGRAPHIC CAMERAS
  161. ASTROGRAPHIC CATALOGS
  162. ASTROGRAPHS
  163. ASTROLABES
  164. ASTROLOGY
  165. ASTROMETRIC BINARY STARS
  166. ASTROMETRIC INSTRUMENTS
  167. ASTROMETRY
  168. ASTRONOMERS
  169. ASTRONOMICAL CONSTANTS
  170. ASTRONOMICAL GEODESY
  171. astronomical instruments USE INSTRUMENTATION
  172. ASTRONOMICAL OPTICS
  173. ASTRONOMICAL RESEARCH
  174. ASTRONOMICAL TECHNIQUES
  175. ASTRONOMICAL UNIT
  176. ASTRONOMY
  177. astrophotography USE PHOTOGRAPHY
  178. astrophysical jets USE JETS
  179. ASTROPHYSICS
  180. ASYMPTOTIC GIANT BRANCH
  181. ATAXITES
  182. ATLASES
  183. ATMOSPHERES
  184. ATMOSPHERIC DENSITY
  185. ATMOSPHERIC EXTINCTION
  186. ATMOSPHERIC RADIATION
  187. ATMOSPHERIC REFRACTION
  188. ATMOSPHERIC SCATTERING
  189. ATMOSPHERIC SCINTILLATION
  190. ATMOSPHERIC TIDES
  191. ATMOSPHERIC WINDOWS
  192. ATOMIC CLOCKS
  193. ATOMIC LINES
  194. ATOMIC PHYSICS
  195. ATOMIC PROCESSES
  196. ATOMIC SPECTRA
  197. ATOMIC TIME
  198. ATOMS
  199. ATTENUATION
  200. auger showers USE COSMIC RAY SHOWERS