A galactic merger brought a pair of supermassive black holes together
By Ashley Strickland, CNN Two supermassive black holes have been spotted feasting on cosmic materials as two galaxies in distant space merge — and are the closest to colliding black holes astronomers have ever observed. Astronomers spotted the pair while using the Atacama Large Millimeter/Submillimeter Array of telescopes, or ALMA, in northern Chile’s Atacama Desert,
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