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RE: Beautiful Corner of the Universe - The Andromeda Galaxy
:) There is also this video, but I thought it is too long for such a post :)
another one on simulations vs observations that is my favorite on galaxy collisions:
Ahh nice one dude, I've seen the first one, it was that I was thinking of :p
The King of all Cosmic Collisions!
I wrote a post on a smaller collision earlier, now I feel inferior. hahah