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The Black-Hole Collision That Reshaped Physics

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Binary black holes

Binary black holes radiate a huge amount of orbital energy as gravitational waves.

Credit: Mark Garlick

The event was catastrophic on a cosmic scale—a merger of black holes that violently shook the surrounding fabric of space and time, and sent a blast of space-time vibrations known as gravitational waves rippling across the Universe at the speed of light.

From Nature
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