Astronomers have confirmed that the blazar OJ 287 hosts the most extreme binary black hole system ever found. Using a global radio telescope array, they captured an ultra-sharp image showing a dramatically bent jet—evidence of two supermassive black holes locked in orbit. The system’s 12-year flare cycle and jet twists match predictions of a smaller companion black hole disturbing the primary’s disk. This discovery offers new insights into galaxy evolution, black hole mergers, and gravitational wave detection, making OJ 287 a prime target for future space observatories like LISA.
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