Researchers find ten billion-year old “ghost stars” from swallowed galaxy
Astronomers at Lund University in Sweden have found a group of stars in the Milky Way disk, that are most likely remnants from an unknown baby galaxy that was swallowed by the Milky Way over 10 billion years ago. Nothing like it has been discovered in the galaxy disk before. After the Big Bang 13.8 billion years ago, space was a veritable Wild West. Stars formed inside huge gas clouds that collide
https://www.lunduniversity.lu.se/article/researchers-find-ten-billion-year-old-ghost-stars-swallowed-galaxy - 2025-10-01