Alpha Centauri in the constellation of Centaurus (The Centaur)

This chart shows most of the stars visible with the unaided eye on a clear night. The star Alpha Centauri is one of the brightest stars in the southern sky (marked with a red circle). It lies just 4.3 light-years from the Earth and one component in a triple star system.

Credit

ESO/Digitized Sky Survey 2 Acknowledgement: Davide De Martin

ENLARGE