What is the closest galaxy like our own, and how far away is it?

The closest spiral galaxy is Andromeda, a galaxy much like our own Milky Way. It is 2.2 million light years away from us. Andromeda is approaching our galaxy at a rate of 670,000 miles per hour (1,078,260 kph). Five billion years from now it will probably collide with our Milky Way galaxy.

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