Photo Shows Four Galaxies Colliding Near the Milky Way’s Twin



December 5, 2016

About 300 million light-years away, four galaxies are colliding in a flurry of superheated gas and X-rays, and a Hungarian astrophotographer captured it in October. A half-degree away in the sky, in the constellation Pegasus, (but about 250 million light-years closer to Earth) is the galaxy NGC 7331, a spiral galaxy similar to our own Milky Way.


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