100 Astronomy Words List, Astronomical Terms
1. dwarf star
2. ionosphere
3. radiation
4. sun
5. north star
6. roche limit
7. parallax
8. kirkwood gaps
9. hydrogen
10. visual magnitude
11. wavelength
12. light-year
13. syzygy
14. black body
15. umbra
16. radiant
17. astronomer
18. light year
19. flare
20. oort cloud
21. quarter moon
22. perturbation
23. barlow lens
24. zodiac
25. nasa
26. nebula
27. mare
28. azimuth
29. black hole
30. planetary nebula
31. wormhole
32. pluto
33. spectrum
34. axial tilt
35. interstellar dust
36. spectroscope
37. celestial
38. terrestrial
39. big bang theory
40. dust
41. gravitational lens
42. rings
43. cluster
44. synodic
45. dark matter
46. pole star
47. geostationary
48. heliocentric
49. pulsar
50. day
51. background radiation
52. gegenschein
53. binary star
54. cislunar
55. solar wind
56. blue moon
57. cosmic
58. inner planets
59. mercury
60. astronomy
61. neutron star
62. red giant star
63. moon
64. absolute magnitude
65. twinkling
66. translunar
67. free fall
68. outer planets
69. inferior planets
70. solar system
71. penumbra
72. gibbous moon
73. perihelion
74. supernova
75. meteor
76. new moon
77. sidereal
78. coriolis force
79. flyby
80. deneb
81. gas giant
82. gravitational
83. orbital eccentricity
84. lunar
85. ecliptic
86. helium
87. x-rays
88. mars
89. conjunction
90. astronomical unit
91. apogee
92. nova
93. mass
94. comet
95. transneptunian
96. universe
97. white giant
98. red shift
99. white dwarf
100. interstellar
