Parts of the Milky Way are much older than thought, study reveals - Space.com

The Milky Way's thick disk is 2 billion years older than astronomers previously thought and likely formed barely 800 million years after the Big Bang, a new study based on an unusual type of star found.

The Milky Way's thick disk is 2 billion years older than astronomers previously thought and likely formed barely 800 million years after the Big Bang, a new study based on an unusual type of star fou… [+2784 chars]

full article...