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