Unified Astronomy Thesaurus

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  2. R: 160 terms
  1. R associations
  2. R c b stars USE R Coronae Borealis stars
  3. R c ma stars USE R Canis Majoris stars
  4. R Canis Majoris stars
  5. R cor bor stars USE R Coronae Borealis stars
  6. R Coronae Borealis USE R Coronae Borealis variables
  7. R Coronae Borealis stars
  8. R Coronae Borealis variables
  9. R magnitude
  10. R stars
  11. R-association USE R associations
  12. R-Coronae Borealis variables USE R Coronae Borealis variables
  13. R-process
  14. R-type stars USE R stars
  15. Radar astronomy
  16. Radar telescopes
  17. Radial pulsations
  18. Radial velocity
  19. Radial-velocity method USE Radial velocity
  20. Radiation belts USE Van Allen radiation belt
  21. Radiation variability
  22. Radiative braking
  23. Radiative transfer
  24. Radiative transfer equation
  25. Radio astrometry
  26. Radio astronomy
  27. Radio bursts
  28. Radio continuum USE Radio continuum emission
  29. Radio continuum emission
  30. Radio cores
  31. Radio flares
  32. Radio galaxies
  33. Radio interferometers
  34. Radio interferometry
  35. Radio jets
  36. Radio lines USE Radio sources
  37. Radio lobes
  38. RADIO Master Catalog USE Radio source catalogs
  39. Radio observatories
  40. Radio occultation
  41. Radio plumes
  42. Radio pulsars
  43. Radio quiet quasars
  44. Radio source catalogs
  45. Radio source catalogues USE Radio source catalogs
  46. Radio source counts
  47. Radio source stars USE Radio stars
  48. Radio sources
  49. Radio spectroscopy
  50. Radio stars
  51. Radio structures
  52. Radio telescopes
  53. Radioheliographs
  54. Rapid bursts
  55. Rapid stellar oscillations
  56. RC Aurigae stars
  57. Re-ionisation USE Reionization
  58. Re-ionization USE Reionization
  59. Real anomaly
  60. Recombination (cosmology)
  61. Recurrent novae
  62. Red bump USE Red giant bump
  63. Red clump USE Red giant clump
  64. Red dwarf flare stars
  65. Red dwarfs
  66. Red giant branch
  67. Red giant branch stars USE Red giants
  68. Red giant bump
  69. Red giant clump
  70. Red giant tip
  71. Red giants
  72. Red shift USE Redshift
  73. Red stars
  74. Red stragglers
  75. Red supergiants
  76. Red-green-blue photometry USE RGB photometry
  77. Red-straggler stars USE Red stragglers
  78. Reddened stars
  79. Reddening
  80. Reddening law
  81. Redshift
  82. Redshift surveys
  83. Reflecting telescopes
  84. Reflection nebula USE Reflection nebulae
  85. Reflection nebulae
  86. Reflector telescopes USE Reflecting telescopes
  87. Refracting telescopes
  88. Reionisation USE Reionization
  89. Reionization
  90. Reissner Nordström black holes USE Reissner–Nordström black holes
  91. Reissner Nordstrom black holes USE Reissner–Nordström black holes
  92. Reissner–Nordstrom black holes USE Reissner–Nordström black holes
  93. Reissner–Nordström black holes
  94. Relative sunspot number USE Sunspot number
  95. Relativistic aberration
  96. Relativistic astrophysics USE Relativity
  97. Relativistic binaries USE Relativistic binary stars
  98. Relativistic binary USE Relativistic binary stars
  99. Relativistic binary stars
  100. Relativistic cosmology
  101. Relativistic discs USE Relativistic disks
  102. Relativistic disks
  103. Relativistic fluid dynamics
  104. Relativistic jets
  105. Relativistic mechanics
  106. Relativistic models USE Relativity
  107. Relativistic stars
  108. Relativity
  109. Relaxation (physics) USE Relaxation time
  110. Relaxation time
  111. Relic radiation USE Cosmic microwave background radiation
  112. Remote telescope astrophotography
  113. Resonant Kuiper belt objects
  114. Resonant Kuiper-belt objects USE Resonant Kuiper belt objects
  115. Retardation of gravity USE Gravity retardation
  116. Retinal adaption USE Dark adaption
  117. Reversing layer USE Photosphere
  118. RGB photometry
  119. RGU photometry
  120. Rho cas stars USE Yellow hypergiant stars
  121. Rho Cassiopeiae USE Yellow hypergiant stars
  122. Right ascension
  123. Ring galaxies
  124. Ring nebula USE Ring nebulae
  125. Ring nebulae
  126. Ring shepherds USE Saturnian satellites
  127. Ring singularities
  128. Ritchey–Chretien telescopes USE Ritchey–Chrétien telescopes
  129. Ritchey–Chrétien telescopes
  130. RoAp oscillations USE Rapid stellar oscillations
  131. Roaster planets USE Hot Jupiters
  132. Robotic telescope USE Automated telescopes
  133. Roche limit
  134. Roche lobe
  135. Roche radius USE Roche limit
  136. Rogue planets
  137. Rotating black holes
  138. Rotating shell
  139. Rotation curves USE Galaxy rotation curves
  140. Rotation of the Milky Way USE Milky Way rotation
  141. Rotation powered pulsars
  142. Rotation-powered pulsars USE Rotation powered pulsars
  143. RR Lyrae USE RR Lyrae variable stars
  144. RR Lyrae type variable stars USE RR Lyrae variable stars
  145. RR Lyrae variable stars
  146. RR Lyrae variables USE RR Lyrae variable stars
  147. RR Telescopii stars
  148. RRA stars
  149. RRab stars
  150. RRb stars
  151. RRc stars
  152. RS Canum Venaticorum USE RS Canum Venaticorum variables
  153. RS Canum Venaticorum stars USE RS Canum Venaticorum variables
  154. RS Canum Venaticorum variables
  155. RS-Canum Venaticorum variables USE RS Canum Venaticorum variables
  156. Runaway stars
  157. RV Tau USE RV Tauri variables
  158. RV Tauri USE RV Tauri variables
  159. RV Tauri stars USE RV Tauri variables
  160. RV Tauri variables