Hubble Alpha-Centauri-AB.jpg

Alpha Centauri A (left) and Alpha Centauri B imaged by the Hubble Space Telescope. NASA/ESA/Hubble Alpha Centauri A (left) and Alpha Centauri B imaged by the Hubble Space Telescope. Located in the constellation of Centaurus (The Centaur), at a distance of 4.3 light-years, the star pair orbits a common center of gravity once every 80 years, with an average distance of about 11 times the distance between Earth and the sun.