These Supermassive Black Holes are About to Collide

by Jessica Hall

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Scientists have discovered two supermassive black holes, locked together in a final, terrible spiral. They’re about to collide. And when they do, it will shake the fabric of spacetime itself.

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ExtremeTech

ExtremeTech

ExtremeTech is the Web’s top destination for news and analysis of emerging science and technology trends, and important software, hardware, and gadgets.

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