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Description: Our home, the Milky Way Galaxy, and our nearest neighbor, the Andromeda Galaxy, will collide in about 4 billion years.nWe are not dense, so most of the stars and planets will just pass through each other. Our gravity is massive, so the gravitational pull will draw each galaxy in until we meet. We will collide again and again until we merge.nWhen we imagine a different time scale to our own lifetimes, billions of years instead of decades, it must seem like the galaxies are dancing with each other
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