Centaurus the Centaur is a constellation that lies in Southern Hemisphere skies. It’s home to the closest stars to our sun. Chart via EarthSky.Centaurus the Centaur is a constellation lying in Southern Hemisphere skies. The constellation is huge, ranking 9th largest of the 88 constellations. It sits so far south that if you live about 25 degrees north latitude, you won’t be able to see it. And by the way, Centaur contains the three closest known stars to the sun.