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  1. Andromeda galaxy crash triggered mass galactic migration

    Andromeda galaxy crash triggered mass galactic migration

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  3. IMAGINE THAT IT'S 4.5 BILLION YEARS FROM NOW; WHAT WILL THE MILKY WAY LOOK LIKE?

    IMAGINE THAT IT'S 4.5 BILLION YEARS FROM NOW; WHAT WILL THE MILKY WAY LOOK LIKE?

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