IVOAT Thesaurus

  1. I USE iodine
  2. I galaxy
  3. I magnitude
  4. ice USE water ice
  5. identification
  6. illumination
  7. illumination function USE grading function
  8. image
  9. image converters USE image tube
  10. image intensifier USE image tube
  11. image processing
  12. image reconstruction
  13. image tube
  14. imaging instrument
  15. IMF USE initial mass function
  16. impact crater
  17. impersonal astrolabe
  18. In USE indium
  19. inclination
  20. indium
  21. indochinite
  22. inertial coordinate system
  23. inertial reference frame
  24. inflationary universe
  25. infrared
  26. infrared astronomy
  27. infrared detector
  28. infrared emission
  29. infrared galaxy
  30. infrared observatory
  31. infrared photometry
  32. infrared radiation
  33. infrared source
  34. infrared telescope
  35. infrared transmission window
  36. inhomogenity
  37. initial mass function
  38. inner core
  39. inner planet
  40. instability
  41. instability strip
  42. instrument
  43. instrumental profile
  44. instrumentation USE instrument
  45. integral field spectrograph
  46. integrated magnitude
  47. integration time
  48. intensity
  49. intensity interferometer
  50. interacting binary star
  51. interacting galaxy
  52. interaction
  53. intercloud gas
  54. intercloud matter
  55. interference filter
  56. interference fringe
  57. interference noise
  58. interference spectrosocopy
  59. interference wave
  60. interferometer
  61. interferometric correlation
  62. interferometry
  63. intergalactic absorption
  64. intergalactic cloud
  65. intergalactic gas
  66. intergalactic matter
  67. intergalactic space
  68. interior
  69. intermediate population star
  70. intermediate type star
  71. internal motion
  72. interplanetary dust
  73. interplanetary gas
  74. interplanetary grain
  75. interplanetary magnetic field
  76. interplanetary matter
  77. interplanetary medium USE interplanetary matter
  78. interplanetary scintillation
  79. interstellar absorption
  80. interstellar bubble
  81. interstellar communication
  82. interstellar dust
  83. interstellar extinction USE interstellar absorption
  84. interstellar gas
  85. interstellar magnetic field
  86. interstellar matter
  87. interstellar medium USE interstellar matter
  88. interstellar molecule
  89. interstellar reddening
  90. interstellar scintillation
  91. interstellar wind
  92. intracluster matter
  93. intrinsic color
  94. intrinsic variable star
  95. inverse Compton effect
  96. inverse Compton scattering
  97. inverse maser
  98. iodine
  99. iodine cell
  100. ion
  101. ion composition
  102. ion density
  103. ion plasma wave
  104. ion temperature
  105. ionisation UK USE ionization
  106. ionisation equilibrium UK USE ionization equilibrium
  107. ionization
  108. ionization equilibrium
  109. ionized gas
  110. ionized hydrogen USE H II
  111. ionizing shock wave
  112. ionosphere
  113. ionospheric scintillation
  114. Ir USE iridium
  115. IRAS USE IRAS satellite
  116. IRAS galaxy
  117. IRAS satellite
  118. iridium
  119. iron
  120. iron meteorite
  121. irradiance
  122. irregular galaxy
  123. irregular variable star
  124. isophot
  125. isophotal diameter
  126. isothermal sphere
  127. isotope
  128. isotopic abundance
  129. isotopic composition
  130. isotropy