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Alpha Centauri A

Alpha Centauri A proper noun: the brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Alpha Centauri C or Proxima Centauri as a third component. Alpha Centauri A is the brightest star of the system and is somewhat brighter than our sun. Alpha Centauri B is somewhat fainter than Alpha Centauri A but much brighter than Proxima Centauri.

Proper noun

Alpha Centauri A

  1. The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Alpha Centauri C or Proxima Centauri as a third component. Alpha Centauri A is the brightest star of the system and is somewhat brighter than our sun. Alpha Centauri B is somewhat fainter than Alpha Centauri A but much brighter than Proxima Centauri.

Forms of Alpha Centauri A

alternative formα-Centauri A

Questions about Alpha Centauri A

What does Alpha Centauri A mean?
Alpha Centauri A means the brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Alpha Centauri C or Proxima Centauri as a third component. Alpha Centauri A is the brightest star of the system and is somewhat brighter than our sun. Alpha Centauri B is somewhat fainter than Alpha Centauri A but much brighter than Proxima Centauri.
What part of speech is Alpha Centauri A?
Alpha Centauri A is a proper noun.

Words near Alpha Centauri A in the dictionary

  1. Alpha Cassiopeiae
  2. alpha cell
  3. alpha cells
  4. Alpha Cen
  5. Alpha Centauri
  6. Alpha Centauri A
  7. Alpha Centauri B
  8. Alpha Centauri C
  9. Alpha Centaurian
  10. Alpha Centaurians
  11. Alpha Cephei

Source and license

Adapted from Wiktionary: Alpha Centauri A (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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