Astronomers have found what may be the oldest stars in the Milky Way, in the galaxy's bulge -- a discovery that reveals extraordinarily powerful explosions known as hypernovas might have dominated the Milky Way during its youth, researchers say.
Astronomers have found what may be the oldest stars in the Milky Way, in the galaxy's bulge -- a discovery that reveals extraordinarily powerful explosions known as hypernovas might have dominated the Milky Way during its youth, researchers say.