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20 May, 23:58

Why should galaxy collisions have been more common in the past than they are today?

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  1. 21 May, 00:16
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    Answer: short-distance

    Explasnation:

    it has been theorized than galaxies were a lot closer together near the beginning of the universe. collisions would have been more common due to the short distance between them. today, galaxies move away from each other and drift farther out into the vastness of space
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