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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
P: 1
Pair production
Parabola
Parallax
Parsec
Particle accelerator
Pauli's exclusion principle
Peculiar velocity
Periastron
Perigee
Perihelion
Periodic table
Perturbation
Phase change
Photometer
Photometry
Photon
Photosphere
Pisces
Planck constant (h)
Planck time
Planet
Planetary nebula
Planetessimals
Plasma
Pluto
Polaris
Polarisation
Population I stars
Population II stars
Positron
Positron - electron annihilation
Post main sequence
Potential well
Pre-main sequence
Precession
Principle of equivalence
Principle of relativity
Prominence
Protogalaxy
Proton
Proton-proton chain
Protoplanet
Protostar
Pulsar