betelgeuse


noun Astronomy.

  1. a first-magnitude red supergiant in the constellation Orion.

noun

  1. a very remote luminous red supergiant, Alpha Orionis: the second brightest star in the constellation Orion. It is a variable star

bright star in the shoulder of Orion, 1515, from Arabic Ibt al Jauzah “the Armpit of the Central One.” Intermediary forms include Bed Elgueze, Beit Algueze.

  1. A red supergiant star in the constellation Orion. It is a variable star with a brightest apparent magnitude of 0.5. Scientific name: Alpha Orionis. See Note at Rigel.

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