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asteroid noun

  /ˈæst(ə)ɹɔɪd/
  • (astronomy) A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
 asteroide, pianetino, planetoide

asteroidal adjective

  • Of or pertaining to an asteroid
 asteroidale
asteroid belt
cintura asteroidale, fascia principale
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