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ASTRONOMY UNBOUND
Created by: Dr Stuart Clark
Elementary glossary of astronomical terms
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ASTRONOMY UNBOUND - Dictionary Index
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A: 1
Aberration of starlight
Absolute magnitude
Absolute zero
Absorption lines
Absorption nebula
Abundance
Accretion disc
Active galactic nucleus (AGN)
Active galaxy
Active optics
Adaptive optics
Age of the Universe
Alpha Centauri
Alpha particle
Altazimuth mounting
Altitude
Andromeda galaxy
Angular momentum
Annihilation radiation
Antimatter
Apastron
Aphelion
Apogee.
Apparant magnitude
Arcminute
Arcsecond
Asterism
Asteroids
Astrometric binary
Astronomical unit (AU)
Astronomy
Astrophysics
Atom
Atomic absorption
Atomic emission
Atomic mass number
Atomic nucleus
atomic number
Aurora
Axis
Azimuth