Astronomers announce the discovery of supermassive black holes - La Ronge Northerner

Two supermassive black holes orbit each other in a binary system. They are 10 times closer to each other than the black holes in the only other known

Two supermassive black holes orbit each other in a binary system. They are 10 times closer to each other than the black holes in the only other known binary supermassive black hole system. Credit: Ca… [+3764 chars]

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