a
albedo
altimetry
angstrom
anneal
anticyclonic
aphelion
apogee
Aristotle
asteroid
astronaut
astronomer
Astronomical
Unit
astronomy
astrophysicist
atmosphere
atmospheric composition
atom
aurora
axis
b
bar
black body temperature
blink -comparator
bond albedo
bulk properties
c
Cassini
Celsius
Christy,
James W.
chromosphere
circumference
cluster
comet
condensation
contrast
convective cell
Copernicus
core
core radius
corona
cosmic dust
crater
crescent
crust
crystal
d
density
depolarize
deuterium
diameter
differentiation
dipole field strength
dipole position
diurnal
diurnal temperature range
double
planet
e
eccentric
eclipse
ecliptic
electron
ellipse
ellipticity
elongation
epoch
equator
equatorial radius
equinox
erosion
escape velocity
extraterrestrial
evaporate
g
galaxy
Galileo
geology
geomorphology
gibbous
GM
(kilo)gram
granule
gravitational compression
gravity
h
Hall, Asaph
heliocentric
hemisphere
hydrocarbon
i
inferior conjunction
insoluble
ionosphere
k
Kelvin
Kelvin-Helmholtz mechanism
Kuiper, Gerard
l
lagrange
length of day
longitude
longitude of ascending node
longitude of perihelion
Lowell,
Percival
m
magnetic
field
magnetosphere
maria
mass
mean
mean longitude
mean molecular weight
mean orbital elements
meteorite
meteoroid
meter
microorganism
microwave
mile
moment of inertia
momentum
moon
moonlets
mutual event
n
NASA
nebula
Newton, Isaac
nova
o
oblate
obliquity
observatory
Oort
Cloud
opposition
optic
orbit
orbital eccentricity
orbital inclination
orbital parameters
orbital velocity
ozone
p
penumbra
perigee
perihelion
period
phase
phase angle
photochemistry
photon
photosphere
photosynthesis
photon
plane
planet
plasma
plate tectonics
polar radius
polarcaps
pole
primordial
probe
prominence
proton
Pythagoras
r
radar
radius
radiation
reflectivity
refraction
resolution
revolution
rotation
s
satellite
Schiaparelli, Giovanni
semimajor axis
shepherd satellites
sidereal rotation period
sidereal
sidereal orbit period
sinter
solar flare
solar irradiance
solar limb
solar system
solar transit
solar
wind
solstice
space
craft
space
shuttle
spectroscope
spicule
star
sublime
sun spot
surface density
surface gravity
surface pressure
sychronous
orbit
synodic period
t
telescope
temperature
topographic range
transitional temperature
tropical orbit period
tropopause
trophosphere
v
vacuum
vernal equinox
visual geometric albedo
visual magnitude
volume
volumetric mean radius
vortex