In dictionaries:
alpha centauri system
Nearest star system to Earth.
Alpha Centauri A
(astronomy) 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.
Alpha Centauri B
(astronomy) The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Proxima Centauri as a third component. Alpha Centauri B is less bright than Alpha Centauri A and is somewhat less bright than our sun.
Alpha Centauri C
(astronomy) The star Proxima Centauri
Sid Meier's Alpha Centauri
a 4X video game, considered a spiritual sequel to the Civilization series.
Sons of Alpha Centauri
(sometimes abbreviated to SOAC) an English instrumental rock band based in Swale, Kent.
2069 Alpha Centauri mission
Alpha Centauri Bb
(α Cen Bb) a proposed exoplanet orbiting the K-type main-sequence star Alpha Centauri B, located 4.37 light-years from Earth in the southern constellation of Centaurus, but there has not been enough evidence to support the claim.
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