betelgeuse
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
-
the second brightest star in Orion
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
