War of the Galaxies
2021 Science
Our universe is at war. The universe is a very violent and deadly place. Entire galaxies fight to the death. Only the strongest survive. If a galaxy wants to stay alive, it has to feed on other galaxies. Our own galaxy also fights for survival. These battles are how galaxies live, grow, and die. These collisions got us to where we are today, ...and they're going to determine the future of the universe.
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Series: How the Universe Works Series 9
