Galactic merger brought together a pair of supermassive black holes |  CNN

Galactic merger brought together a pair of supermassive black holes | CNN

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more. CNN – Two supermassive black holes have been spotted feeding on cosmic material when two galaxies merge in distant space – the closest black hole collisions astronomers have ever observed. Astronomers discovered the pair while …

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