Gaia mission finds parts of the Milky Way much older than expected - Phys.org
Science X staff |
Technology |
Phys.Org |
03-23-2022 |
99
Using data from ESA's Gaia mission, astronomers have shown that a part of the Milky Way known as the 'thick disc' began forming 13 billion years ago, around 2 billion years earlier than expected, andâ