Merging galaxies shine with the light of a trillion suns

1 year ago
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In a new image captured by the JWST, two galaxies collectively known as Arp 220, which are merging 250 million light-years away from Earth in the constellation Serpens, can be seen.

This process of galaxy mergers unfolds over long cosmic timescales. According to astronomers, the two spiral galaxies of Arp 220, which have similar tails swirling in their outskirts, began merging around 700 million years ago.

By comparison, the Milky Way galaxy is expected to closely approach Andromeda in the next four to five billion years, and the merger itself is predicted to last 10 billion years, Space reported.

"Merging galaxies shine with the light of a trillion suns in gorgeous James Webb Space Telescope photo"
READ MORE: https://www.space.com/james-webb-space-telescope-merging-galaxies-arp-220-photo

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