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A
Absolute Brightness
Absolute Magnitude
Albedo
Annual Parallax
Aphelion
Apogee
Apparent Magnitude
Apparent
Brightness
Arc Minute
Arc Second
Asteroid
Astronomical Unit
Astronomy
Asterism
B
Binary Star
Black Hole
Blue Moon
C
Celestial Equator
Cepheid
Chromatic Aberration
Chromosphere
Corona
Comet
Constellation
Cosmos
D
Declination
Double Star
Dwarf Star
E
Eccentricity
Eclipse
Ecliptic
Einstein Ring
Equinox
F
Faculae
Fraunhoffer Lines
G
Galaxy
Globular Cluster
H
Heliacal Rising
Heliacal Setting
L
Light Year
Luminosity
M
Magnitude
Messier Objects
Meteor
Meteorite
N
Nebula
Neutron Star
Nova
Nutation
O
Open Cluster
Orbit
P
Parallax
Parsec
Perigee
Perihelion
Perturbation
Planetary Nebula
Pulsar
Planet
Q
Quasar
R
Red Giant
Redshift
Retrograde Motion
Retrogression
Right Ascension
S
Shooting Star
Sidereal Period
Solar Wind
Spectral Type
Spectral Class
Star
Stellar Cluster
Sunspots
Supernova
U
Universe
V
Variable Star
