The Astronomy Thesaurus

  1. Home
  2. H: 123 terms
  1. H ALPHA
  2. H ALPHA EMISSION LINE STARS
  3. H ALPHA PHOTOMETRY
  4. H AND K LINES
  5. H BETA
  6. H BETA PHOTOMETRY
  7. H I USE NEUTRAL HYDROGEN
  8. H I ABSORPTION
  9. H I CLOUDS
  10. H I CONTENT
  11. H I EMISSION
  12. H I REGIONS
  13. H II REGIONS
  14. H LINE
  15. H MAGNITUDE
  16. h minus ion USE NEGATIVE H ION
  17. h s variable stars USE HUBBLE SANDAGE VARIABLE STARS
  18. HADRON BARRIER
  19. HADRONS
  20. HALATION
  21. HALF WAVE DIPOLES
  22. HALO STARS
  23. HALOS
  24. HANLE EFFECT
  25. HARMAN SEATON SEQUENCE
  26. harmonic analysis USE FOURIER ANALYSIS
  27. HARMONIC FREQUENCIES
  28. harmonic overtones USE HARMONIC FREQUENCIES
  29. harmonics USE HARMONIC FREQUENCIES
  30. HARO GALAXIES
  31. HARTMANN TEST
  32. harvard classification USE HENRY DRAPER SYSTEM
  33. HAWKING RADIATION
  34. HAYASHI TRACK
  35. HD CURVE
  36. hd system USE HENRY DRAPER SYSTEM
  37. HE+ IONIZATION ZONE
  38. HEAD TAIL GALAXIES
  39. heat transfer USE ENERGY TRANSFER
  40. HEAVY ELEMENTS
  41. HEAVY METAL STARS
  42. HELIOCENTRIC CORRECTION
  43. HELIOCENTRIC JULIAN DATE
  44. HELIOCENTRIC ORBITS
  45. heliocentric parallax USE ANNUAL PARALLAX
  46. HELIOCENTRIC VELOCITY
  47. heliographs
  48. HELIOMETERS
  49. HELIOPAUSE
  50. HELIOSEISMOLOGY
  51. HELIOSPHERE
  52. HELIOSTATS
  53. HELIUM BURNING
  54. helium detonation USE HELIUM FLASH
  55. HELIUM FLASH
  56. HELIUM POOR STARS
  57. HELIUM RICH STARS
  58. HELIUM SHELL FLASH
  59. helium variable stars USE SX ARIETIS STARS
  60. HELMHOLTZ KELVIN CONTRACTION
  61. HENRY DRAPER CATALOG
  62. HENRY DRAPER SYSTEM
  63. HENYEY TRACK
  64. HERBIG HARO OBJECTS
  65. herbig stars USE Ae STARS
  66. HERTZSPRUNG GAP
  67. HERTZSPRUNG RUSSELL DIAGRAM
  68. HESS DIAGRAM
  69. HETERODYNE
  70. hh objects USE HERBIG HARO OBJECTS
  71. HIERARCHICAL COSMOLOGY
  72. high dispersion spectra USE HIGH RESOLUTION SPECTRA
  73. high dispersion spectroscopy USE HIGH RESOLUTION SPECTROSOPY
  74. HIGH ENERGY ASTROPHYSICS
  75. high energy processes USE HIGH ENERGY ASTROPHYSICS
  76. HIGH ENERGY RADIATION
  77. HIGH LUMINOSITY STARS
  78. HIGH RESOLUTION SPECTRA
  79. HIGH RESOLUTION SPECTROSOPY
  80. HIGH SPEED PHOTOMETERS
  81. HIGH TEMPERATURE
  82. HIGH VELOCITY CLOUDS
  83. HIGH VELOCITY STARS
  84. HIRAYAMA FAMILIES
  85. HISTORY OF ASTRONOMY
  86. hjd USE HELIOCENTRIC JULIAN DATE
  87. HOLMBERG RADIUS
  88. HOLMIUM STARS
  89. HOLTSMARK APPROXIMATION
  90. HORIZON
  91. HORIZON COORDINATE SYSTEM
  92. HORIZONTAL BRANCH STARS
  93. HORIZONTAL PARALLAX
  94. HORN ANTENNAS
  95. HORSESHOE MOUNTING
  96. hot USE HIGH TEMPERATURE
  97. hot stars USE EARLY TYPE STARS
  98. HOUR ANGLE
  99. hr diagram USE HERTZSPRUNG RUSSELL DIAGRAM
  100. HUBBLE CLASSIFICATION
  101. HUBBLE CONSTANT
  102. HUBBLE DIAGRAM
  103. HUBBLE LAW
  104. HUBBLE RADIUS
  105. HUBBLE SANDAGE VARIABLE STARS
  106. hubble sequence USE HUBBLE CLASSIFICATION
  107. HUBBLE TIME
  108. HYDROCARBONS
  109. HYDRODYNAMICS
  110. HYDROGEN BURNING
  111. HYDROGEN DEFICIENT STARS
  112. HYDROGEN LINES
  113. HYDROGEN SPECTRUM
  114. hydromagnetic waves USE MAGNETOHYDRODYNAMICS
  115. hydromagnetics USE MAGNETOHYDRODYNAMICS
  116. HYDROSTATIC EQUILIBRIUM
  117. HYDROXYL RADICAL
  118. HYPERBOLIC ORBITS
  119. HYPERFINE LINES
  120. HYPERGALAXIES
  121. HYPERGIANT STARS
  122. HYPOTHETICAL PLANETS
  123. HZ HERCULIS STARS