Unified Astronomy Thesaurus

  1. C h4 USE Methane
  2. C h_4 USE Methane
  3. C tt s USE Classical T Tauri stars
  4. Calendars
  5. Callisto USE Galilean satellites
  6. Cambridgte Catalogue of Radio Sources USE Radio source catalogs
  7. Cape photometry
  8. Cape RI photometry
  9. Carbon burning
  10. Carbon cycle USE Carbon-nitrogen cycle
  11. Carbon cycling USE Carbon-nitrogen cycle
  12. Carbon detonation USE Carbon flash
  13. Carbon dioxide
  14. Carbon flash
  15. Carbon nitrogen cycle USE Carbon-nitrogen cycle
  16. Carbon stars
  17. Carbon-nitrogen cycle
  18. Carbonaceous chondrites
  19. Cassegrain telescopes
  20. Cassini ring division USE Planetary ring divisions
  21. Cassini's Division USE Planetary ring divisions
  22. Cataclysmic binaries USE Cataclysmic variable stars
  23. Cataclysmic binary stars USE Cataclysmic variable stars
  24. Cataclysmic variable stars
  25. Cataclysmic variables USE Cataclysmic variable stars
  26. Catadioptric telescopes
  27. Catalogs
  28. Catalogues USE Catalogs
  29. Catoptric telescopes USE Reflecting telescopes
  30. Caustic crossing
  31. Caustic-crossing USE Caustic crossing
  32. CBR USE Cosmic microwave background radiation
  33. CCD observation
  34. CCD photometry
  35. cD galaxies
  36. cD-type galaxies USE cD galaxies
  37. Celestial coordinate USE Equatorial coordinate system
  38. Celestial coordinate systems
  39. Celestial equator
  40. Celestial latitude USE Declination
  41. Celestial longitude USE Right ascension
  42. Celestial mechanics
  43. Celestial objects USE Astronomical objects
  44. Celestial objects catalogs
  45. Celestial poles
  46. Celestial reference system USE Celestial coordinate systems
  47. Celestial sphere
  48. Centaurs
  49. Center of mass
  50. Center of the Milky Way USE Galactic Center
  51. Centre of mass USE Center of mass
  52. Cepheid distance
  53. Cepheid variable stars USE Cepheids
  54. Cepheid variables USE Cepheids
  55. Cepheids
  56. Ceres
  57. CH stars
  58. Chandrasekhar limit USE Chandrasekhar-Schoenberg limit
  59. Chandrasekhar-Schoenberg limit
  60. Chandrasekhar-Schonberg limit USE Chandrasekhar-Schoenberg limit
  61. Chaos
  62. Charge-coupled device photometry USE CCD photometry
  63. Charged black holes
  64. Chemical abundance USE Chemical abundances
  65. Chemical abundances
  66. Chemical cosmology USE Cosmochemistry
  67. Chemical enrichment
  68. Chemically peculiar stars
  69. Chlorofluorocarbons
  70. Chondrites
  71. Chondrules
  72. Chromosphere
  73. Chromospheres
  74. Chthonian planets
  75. CII region
  76. Circular orbit
  77. Circumnuclear matter USE Galactic circumnuclear matter
  78. Circumplanetary dust USE Planetary rings
  79. Circumplanetary matter USE Planetary rings
  80. Circumstellar clouds
  81. Circumstellar discs USE Circumstellar disks
  82. Circumstellar disks
  83. Circumstellar dust
  84. Circumstellar envelope
  85. Circumstellar gas
  86. Circumstellar grains
  87. Circumstellar masers
  88. Circumstellar matter
  89. Circumstellar shell
  90. Circumstellar shells
  91. Cirrus castellanus
  92. Cirrus fibratus
  93. Cirrus floccus
  94. Cirrus spissatus
  95. Cirrus uncinus
  96. Cirrus vertebratus
  97. Cis-Neptunian objects
  98. Class A stars USE A stars
  99. Class B stars USE B stars
  100. Class F stars USE F stars
  101. Class G stars USE G stars
  102. Class K stars USE K stars
  103. Class M stars USE M stars
  104. Class O stars USE O stars
  105. Class R stars USE R stars
  106. Classical black holes
  107. Classical Cepheid USE Cepheids
  108. Classical Kuiper belt objects
  109. Classical Kuiper-belt objects USE Classical Kuiper belt objects
  110. Classical nova USE Classical novae
  111. Classical novae
  112. Classical T Tauri stars
  113. Classical tests of cosmology USE Cosmological models
  114. Classical theories of gravitation
  115. Classification of galaxies USE Galaxy classification systems
  116. Classification systems
  117. Close binaries USE Close binary stars
  118. Close binary stars
  119. Close encounters
  120. Closed universe
  121. Cloud collapse USE Collapsing clouds
  122. Cloud monitors
  123. Clouds
  124. Cluster of galaxies USE Galaxy clusters
  125. Cluster of stars USE Star clusters
  126. Cluster parallax USE Moving cluster parallax
  127. Cluster type variable stars USE RR Lyrae variable stars
  128. CMB USE Cosmic microwave background radiation
  129. CMBR USE Cosmic microwave background radiation
  130. CMBR detectors
  131. CME USE Coronal mass ejections
  132. CN stars
  133. CNO anomaly
  134. CNO cycle USE Carbon-nitrogen cycle
  135. CO2 USE Carbon dioxide
  136. Cobalt stars USE Magnetic stars
  137. Cocoon stars
  138. Coelostats
  139. Cold dark matter
  140. Collapsed stars
  141. Collapsing clouds
  142. Collapsing stars USE Collapsed stars
  143. Colliding galaxies USE Interacting galaxies
  144. Collimated light USE Collimation
  145. Collimation
  146. Color equations
  147. Color-color diagrams USE Two-color diagrams
  148. Color-color diagrams of stars USE Hertzsprung Russell diagrams
  149. Color-magnitude diagrams of stars USE Hertzsprung Russell diagrams
  150. Colour equations USE Color equations
  151. Coma Cluster
  152. Comas
  153. Comet interiors
  154. Comet tail streamers
  155. Comet tails
  156. Cometary atmospheres
  157. Cometary globules
  158. Cometary ionospheres
  159. Cometary nebulae
  160. Cometary nebulas USE Cometary nebulae
  161. Cometary studies
  162. Comets
  163. Compact binary stars
  164. Compact galaxies
  165. Compact H II region
  166. Compact nebula USE Compact nebulae
  167. Compact nebulae
  168. Compact nuclei
  169. Compact nucleus USE Compact nuclei
  170. Compact object binaries USE Compact binary stars
  171. Compact objects USE Compact stars
  172. Compact radiation sources
  173. Compact stars
  174. Compactification
  175. Companion galaxies
  176. Companion stars
  177. Comparison stars
  178. Composition of meteorites USE Meteorite composition
  179. Composition of the moon USE Lunar composition
  180. Computational astronomy
  181. Conical singularities
  182. Conjunction
  183. Constellations
  184. Constructible universe USE Gödel universe
  185. Contact binary stars
  186. Continental drift USE Plate tectonics
  187. Contiuum radio emission
  188. Convection zone USE Convective zone
  189. Convective envelope
  190. Convective shells
  191. Convective zone
  192. Cool dwarf stars USE Late-type dwarfs
  193. Cool giant stars USE Late-type giants
  194. Cool subdwarf stars USE Late-type subdwarfs
  195. Cool supergiant stars USE Late-type supergiants
  196. Cooling flows
  197. Core collapse supernova USE Core-collapse supernovae
  198. Core collapse supernovae USE Core-collapse supernovae
  199. Core-collapse supernova USE Core-collapse supernovae
  200. Core-collapse supernovae