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Getting Together
Featured on July 2, 2020
Two black holes swirl through the disk of hot gas around a supermassive black hole (top left) as they prepare to merge. This artist's concept depicts the events leading to a merger of two black holes, which was seen by Earth-based telescopes in May 2019. Gravitational-wave detectors picked up the space-time ripples caused by the merger, while optical telescopes saw a possible flare following the merger. [Caltech/R. Hurt (IPAC)]
