Asteroid

Pronunciation

 * ,, {{SAMPA|/"{st@%roId/}}

Noun

 * 1)  A naturally occurring solid object, smaller than a planet, orbiting a star.
 * 2)  Any member of the taxonomic class Asteroidea; a starfish.

Derived terms

 * asteroid belt

Related terms

 * aster
 * asterisk
 * asterism

Thesaurus
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