Twisted Jet Confirms Most Extreme Binary Black Hole System in the Universe
Astronomers using a global radio telescope array have captured a record-sharp image of the blazar OJ 287, showing its particle jet is sharply bent. This twisted jet provides compelling evidence that OJ 287’s core contains not one but two supermassive black holes in a tight orbit. For decades, OJ 287’s ~12-year cycle of flares hinted…