An Ancient Part of The Milky Way Is Much Older Than We Ever Knew - ScienceAlert

The Milky Way is older than astronomers thought, or part of it is. A newly-published study shows that part of the disk is two billion years older than we thought.
The Milky Way is older than astronomers thought, or part of it is. A newly-published study shows that part of the disk is two billion years older than we thought. The region, called the thick disk, … [+8608 chars] Read More