https://interestingengineering.com/science/light-flare-brighter-than-trillion-suns-binary-black-hole
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6/9/23 at 2:42pm
Organization
Interesting Engineering
Author
Tejasri Gururaj
Astronomers have detected a secondary supermassive black hole at the center of Galaxy OJ 287 thanks to a flare brighter than a trillion suns.
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