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Alpha Centauri
Our closest neighboring star system consists of three suns, one of which is very much like our own Sol.

These three suns are currently thought to be far older than our own by as much as two billion years. It is not yet known whether these suns have planets, but if there is an Earth-like world in their midst, it is likely to be much more mature than our own world.

[star system vitals] System Vitals
Including temperature, mass, radius, and more.

 
[sky map and alien skies] Sky Map and Alien Skies™
How to find the star system in our skies, plus what the night skies look like there.

 
[3D view of nearby stars] 3D View
Where to find the star system in relation to its neighbors.

 
[extrasolar planets] Planets
Specs on any known planets, plus the system's "eco-zone" — where Earth-like worlds might exist.