Alpha Centauri
Star system in the Centaurus constellation
Summary
Alpha Centauri is a 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 (ly), which is 1.3020 parsecs (pc), while Alpha Centauri A and B are the nearest stars visible to the naked eye.
Originally created by Zundark
10/12/2001, 12:33:13 PM
Modified
5/22/2026, 5:22:36 AM
Recent revisions
Reverted edit by [[Special:Contribs/Bubble Marin19|Bubble Marin19]] ([[User talk:Bubble Marin19|talk]]) to last version by Scourgezoned
Reverted 1 edit by [[Special:Contributions/Bubble Marin14|Bubble Marin14]] ([[User talk:Bubble Marin14|talk]]) to last revision by Loooke
update ref
/* Other names */ tag
add
/* AnchorPlanets of Alpha Centauri B */ ref
Minor change to sentence structure.
Changed awkward phrasing
Reverted 1 edit by [[Special:Contributions/Liygbiygiuhiuh|Liygbiygiuhiuh]] ([[User talk:Liygbiygiuhiuh|talk]]): Contrary to cited reference. Wiki is not a source, and 4-decimal precision not needed there.
Changed the masses using [[List of nearest stars]] wiki page.
Undid revision [[Special:Diff/1346366458|1346366458]] by [[Special:Contributions/~2026-19945-63|~2026-19945-63]] ([[User talk:~2026-19945-63|talk]]): unsourced; any source should also confirm it refers to this star and not [[Rigel]]
added [[Category:Brightest stars]] using [[WP:HC|HotCat]]
Added cultural reference to Umamusume to match the article on Spica
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5
/* Future exploration */ rescue dead link
[[WP:LINKONCE]]
Added 2 links to the earth page.
