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Q&A What would be the effects of galaxies colliding?

What would be the possible and definite effects of two galaxies colliding with each other? (Milky Way & Andromeda) Long-term and short-term effects are both important. I'd like to know becaus...

3 answers  ·  posted 9y ago by Sir Daws‭  ·  last activity 9y ago by Sir Daws‭

Question space astronomy