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Latest / What If: Science, Theory, and Possibilities

The Largest Objects in the Universe Colliding

We're exploring the explosive collisions of the universe's largest objects. Why stop at two black holes, when galaxies, massive stars, and planets are also in play?

Key Moments:

01:18 Largest Black Holes

06:39 Galaxies

10:04 Largest Planets

13:10 Largest Stars

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The skinny

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