Alma reveals two supermassive black holes forming two active galactic nuclei into one

Alma reveals two supermassive black holes forming two active galactic nuclei into one

The Alma radio telescope, in conjunction with other instruments, has revealed two active galactic nuclei at the heart of a galaxy merger. Behind these cores is the binary supermassive black hole with the smallest known distance between these two compact stars, suggesting that gravitational wave hunting with eLisa in the near future will be more …

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