beta centauri
Definition
Proper noun 1. A specific star: Beta Centauri is the traditional name for the second-brightest star system in the southern constellation of Centaurus. It is a prominent pointer star to the Southern Cross.
Usage
- Beta Centauri is used as a proper name to identify a specific celestial object. It is always capitalized.
- Example:
- Example:
Advanced Usage
- Astronomical Designation: In scientific contexts, Beta Centauri may be referred to by its Bayer designation (β Centauri) or by catalogue numbers like HR 5267 or HD 122451.
- Example: The primary component, Beta Centauri A, is a hot, massive blue giant star.
Variants and Related Words
- β Cen / β Centauri: The standard astronomical abbreviation for Beta Centauri.
- Hadar / Agena: Alternative traditional names for Beta Centauri.
- Alpha Centauri: The brightest star system in the constellation Centaurus and the closest star system to our Sun.
- Pointer Stars: The collective term for Alpha and Beta Centauri, as they point toward the constellation Crux (the Southern Cross).
Synonyms
- Hadar
- Agena
- β Centauri
Notes
- Beta Centauri is not a single star but a complex system of at least three stars orbiting each other.
- It is visible primarily from the Southern Hemisphere and is one of the brightest stars in the night sky.
Noun
-
the second brightest star in Centaurus
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