Two black hole behemoths will merge in 10,000 years
TWO SUPERMASSIVE black holes in the heart of a distant galaxy are tightly entwined, offering unique insights into how such mergers unfold.
One of the black holes gorges on surrounding material, creating, are known for their volatility, typically flaring and dimming randomly. But when team member Anthony Readhead (Caltech) began observing the blazar, PKS 2131–021, in 2008, he noticed something unusual. “It was varying not just periodically, but sinusoidally,” Readhead says.
