Stardust

  1. Proper noun.  A spacecraft designed to investigate the makeup of comets.
  2. Noun.  Particles of matter that fall from the stars down to Earth; often used idiomatically to suggest a fanciful or dreamlike quality.
  3. Noun.  (informal, astronomy) A distant cluster of stars, resembling a cloud, the individual stars of which cannot be resolved.

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This entry was last updated on RefTopia from its source on 3/20/2012.