Written in the sky: A history of unrest, then rest, then even more unrest happening in deep space.
New radio observations show that a supermassive black hole shot out plasma jets at a large fraction of the speed of light, paused for 100 million years, then roared back to life.
https://ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano #science #nature #astronomy
