Betelgeuse

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Definition

Noun: 1. A specific red supergiant star: Betelgeuse is the common name for the star Alpha Orionis. It is a prominent, variable star located in the constellation Orion. It is notable for being the second brightest star in that constellation and one of the largest stars known.

Usage
  • Betelgeuse is easily visible to the naked eye as a distinctly reddish star in the night sky.
  • Astronomers study Betelgeuse to understand the late stages of stellar evolution.
  • The name Betelgeuse is derived from Arabic.
Examples
Advanced Usage
  • "Betelgeuse" in Astrophysics: The star is classified as a semiregular variable star, meaning its brightness changes over predictable and unpredictable periods. It is often cited as a classic example of a red supergiant and is a candidate to end its life in a supernova explosion.
Variants and Related Words
  • Alpha Orionis: The formal astronomical designation for Betelgeuse.
  • Red supergiant: The stellar classification of Betelgeuse.
  • Variable star: A category of stars that includes Betelgeuse due to its changing brightness.
Synonyms
  • Alpha Orionis (scientific designation)
Notes
  • There are no idioms, phrasal verbs, or common compound words directly associated with the proper noun "Betelgeuse." It is used exclusively as the name of a celestial object.
Noun
  1. the second brightest star in Orion

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