celestial(astronomical, heavenly): The book showed a map of the celestial realms.
universe(cosmos)
universal
orbit: Our planet is in orbit around the sun.
comet
galaxy
constellation
asteroid
planet
chondrite
cluster
meteor: meteor shower
dwarf
star
stellar
cosmos
cosmic: cosmic radiation; cosmic rays
cosmology
nebula
quasar
space
planeroid
intergalactic
interplanetary
interstellar
corona
chromosphere
solar: solar system; solar corona; solar eclipse; solar radiation
photosphere
pseudoscience
astronomy
astronomical: astronomical observatory
astrology
astrophysics
Jupiter
lunar
Mars
mercury
Earth
Uranus
Venus
Pluto
Neptune
Saturn
emission
infinite
interferometer
radiation
revolve: Their troubles revolve around money management.
land: The plane finally landed itself safely on the ground.
spaceship(space shuttle)
spacecraft
telescope