Alpha Centauri

system, but for practical and historical reasons it is described in detail in its own article. }}


Alpha Centauri (', α Cen', or Alpha Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (), Toliman (), and Proxima Centauri (). Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc).
and B are Sun-like stars (class G and K, respectively) that together form the binary star... more