Andromeda

The Andromeda galaxy. With an estimated 1 trillion stars, more than twice as many as the Milky Way. It's 2.5 million light years away and moving towards u...
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The Andromeda galaxy. With an estimated 1 trillion stars, more than twice as many as the Milky Way. It's 2.5 million light years away and moving towards us at about 70 miles per second. It will be "colliding" with the Milky Way in about 4.5 billion years.
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