 The belt is thought to be from 30 to 50 million years old, and of unknown origin.It is named after Benjamin Gould, who identified it in 1879.The belt contains bright stars in many constellations including (in order going more or less eastward) Cepheus, Lacerta, Perseus, Orion, Canis Major, Puppis, Vela, Carina, Crux (the Southern Cross), Centaurus, Lupus, and Scorpius (including the Scorpius-Centaurus Association).