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The thing is, stars are so far apart from each other that there won't be any collisions. From wikipedia: "While the Andromeda Galaxy contains about 1 trillion (1012) stars and the Milky Way contains about 300 billion (3×1011), the chance of even two stars colliding is negligible because of the huge distances between the stars."

link: http://en.wikipedia.org/wiki/Andromeda–Milky_Way_collision

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You're correct, the likelihood of stars colliding is near zero, but the gas that forms stars in both galaxies will collide and that will create quite a spectacular view. It will likely resemble something like this: http://hugepic.io/bfc195a2b/4.00/2.02/-77.61

Space is full of a LOT of empty space. Maybe even more amazing to myself, is the scale works almost the same in inverse. There's also a lot of space at the tiniest scales.

Scale of our solar system: http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.h...

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