1 year ago
Andromeda Contains the Remnants of a Recent "Feeding Event"
There’s a growing body of evidence that galaxies grow large by merging with other galaxies. Telescopes like the Hubble have captured dozens of interacting galaxies, including well-known ones like Arp 248. The Andromeda galaxy is the nearest large galaxy to the Milky Way, and a new study shows that our neighbour has consumed other galaxies in two distinct epochs.
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