artificial satellite
asteroid
astro-
astronaut
astronomical
astronomical telescope
astronomical unit
astronomy
astrophysics
AU
Big Bang, the
black hole
booster
carbon cycle
celestial body
comet
constellation
corona
cosmic
cosmology
cosmonaut
day
earth
eclipse
equinox
escape velocity
evening star
galaxy
geostationary orbit
half-moon
Hubble Space Telescope, the
Jupiter
launch
light year
luminous
lunar eclipse
lunar month
magnitude
manned manoeuvring unit
Mars
Mercury
meteor
meteorite
minor planet
module
MMU
month
moon
NASA
natural satellite
nebula
Neptune
observatory
orbit noun
orbit verb
orbiter
outer space
phase
planet
planetarium
Pluto
Pole Star, the
probe
radio telescope
remote manipulator system
ring
rocket
satellite
Saturn
shooting star
solar eclipse
solar energy
solar system
Southern Cross, the
space
space capsule
spacecraft
space probe
spaceship
space shuttle
space station
spacesuit
spacewalk
star
sun
telescope
universe
Uranus
Venus