What happens when galaxies collide? - In the night sky: Galaxies (2/3)
August 24, 2015
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1:34Now PlayingWhat happens when galaxies collide? - In the night sky: Galaxies (2/3)
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What happens when galaxies collide? - In the night sky: Galaxies (2/3)
Collisions between galaxies take hundreds of millions of years to complete, and are driven by the effect of gravity. The Milky Way is itself falling towards the Andromeda galaxy, and in about five billion years, these galaxies will merge. What will this be like?
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