HomeAstronomyAndromeda galaxy bears scars of a catastrophic collision

Andromeda galaxy bears scars of a catastrophic collision

Astronomers have traced the violent and catastrophic evolution of Andromeda, our nearest galactic neighbor, by analyzing the makeup and motion of more than 500 stars within the nearby galaxy.

Located 2.5 million light-years from Earth, Andromeda is the closest large neighbor to our galaxy, the Milky Way. It is thought to have had a number of interactions with other galaxies and globular clusters, forming structures such as Andromeda’s Giant Stellar Stream.



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