
Mysterious X-ray Flashes from Nearby Supermassive Black Hole Accelerate
Supermassive black holes have riveted astronomers for years, first with their sudden disappearances, then their erratic spinning behavior. The black hole in question has a mass of 1ES 1927+654, about 1 million times that of the Sun, and resides in a galaxy 270 million light-years away. In 2018, astronomers at MIT and elsewhere observed the…