Two supermassive black holes — comprising a binary system — are locked in a chicken fight so intense that it has come to a standstill. And rather than merging, this fight has dragged on for over three billion years. The black hole binary system lies in the center of the elliptical, radio galaxy called 4CContinue reading "These supermassive black holes, equal to 28 billion Suns, are the heaviest ever measured"
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