Triangulum

  1. Proper noun.  (constellation) An autumn constellation of the northern sky whose brightest three stars form a small triangle. The constellation lies near Perseus, between Aries and Andromeda.
  2. Proper noun.  (astronomy) The Triangulum Galaxy, a relatively nearby spiral galaxy to the Milky Way; M33.

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