betelgeuse

     

Betelgeuse (pronounce /ˈbiːtəldʒuːz/ or /ˈbɛtəldʒuːz/) (Alpha (α) Orionis) is a semiregular variable star located 427 light-years away from Earth. It is the second brightest star in the constellation Orion and the ninth brightest star in the night sky. Although Betelgeuse has the Bayer designation alpha, Rigel (Beta Orionis) is brighter. The star is a vertex of the Winter Triangle asterism. Astronomers believe Betelgeuse is only a few million years old but has evolved rapidly because of its huge size.

Trivia about betelgeuse

  • The name of this star in Orion is from the Arabic for "the giant's armpit"
  • This star whose name sounds like a Michael Keaton character became the first whose surface was directly imaged
  • This red supergiant in Orion is over 300 light years away from you, but it's much closer to Michael Keaton's heart
  • You'll find this familiar red supergiant in Orion's shoulder
  • This star of Orion is the 12th-brightest in the sky; do your best Geena Davis impression

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