A galaxy’s bright flicker turned out to be two black holes dancing in the night

Just a few years ago, in a galaxy 848 million light-years away, astronomers witnessed something strange happen. The supermassive black hole (SMBH) at the center of this galaxy was chugging along just fine, steadily gobbling up matter that fell into it. But in December 2020, the galaxy suddenly flared up as it feasted on aContinue reading “A galaxy’s bright flicker turned out to be two black holes dancing in the night”
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