Synonyms and related words :
Earth, Jupiter, Mars, Mercury, Neptune, Pluto, Saturn, Uranus, Venus, asteroids, aurora particles, blackout, cosmic particles, cosmic ray bombardment, inferior planet, intergalactic matter, major planet, meteor dust impacts, meteors, minor planet, planet, planetoid, radiation, secondary planet, solar system, space bullets, superior planet, terrestrial planet, the bends, wanderer, weightlessness