Best observational evidence of first generation stars in the universe

Astronomers have long theorised the existence of a first generation of stars—known as Population III stars—that were born out of the primordial material from the Big Bang. All the heavier chemical elements—such as oxygen, nitrogen, carbon and iron, which are essential to life—were forged in the bellies of stars. This meansthat the first stars must have formed out of the only elements to exist prior to stars: hydrogen, helium and trace amounts of lithium.

Read the whole article on Physorg

More from Physorg