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On 21 May 2019, gravitational-wave detectors from the LIGO/Virgo collaboration picked up a possible signal from the merger of two black holes. That candidate event—which has yet to be confirmed—may be connected with a brightening, or flaring, of a distant quasar, according to an astronomical team. Based on this association, the team claims that the black hole merger occurred within the gaseous disk around the quasar. The researchers predict that the merged object—presumed to be a black hole having a record-breaking mass of roughly 150 times that of the Sun—will plunge back into the disk in a year or so, creating a second flare.

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Category: Science