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Alpha Centauri (Latinized from α Centauri, abbreviated Alpha Cen or α Cen) is the closest star system to the Solar System at from the Sun. It is a triple star system, consisting of three stars: α Centauri A (officially Rigil Kentaurus), α Centauri B (officially Toliman), and α Centauri C (officially Proxima Centauri). 
Alpha Centauri