Galactic collision may have reset Milky Way disk 11 billion years ago
May 18, 2026
A new study led by researchers at the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC) reveals how the disks of galaxies like the Milky Way are affected by ancient galactic collisions.
https://phys.org/news/2026-05-galactic-collision-reset-milky-disk.html
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