Submitted by Wardog_Razgriz30 t3_122uaic in space
lezboyd t1_jds2env wrote
Reply to comment by Litalian in what will actually happen when we finally collide with Andromeda? by Wardog_Razgriz30
Pretty much this. I think there are gifs and videos of this being simulated too.
What I would like to add is that the merger and gravitational interaction of the matter within both galaxies will also result in a new burst of active star formation as the gases and nebulas within both galaxies are acted upon by various forces during the merger.
As for our Sun, it would be in its late stages, either nearing it or having already become a red giant and swallowing up the inner planets. So unless we have become a space faring species and spread out to other stars, we'd more likely be extinct.
NoFact8018 t1_jdsio4d wrote
From what I understand, the sun won't begin to expand for approximately 5 billion years. Andromeda will get here around the same time, or perhaps a little earlier.
No_Leather9530 t1_jdue58v wrote
From what I recall it's about half the time, roughly. From a distant vague memory
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