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What If Our Galaxy Collided with Andromeda?
What would happen if the Milky Way and Andromeda galaxies collided?
Andromeda is the closest major spiral galaxy to our own, approximately 2.5 million light-years away. Despite the universe's expansion, the gravitational pull between our two galaxies is so strong that we are racing toward each other at over 400,000 km per hour.
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The skinny
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