Astronomers discover why a binary black hole system has the hiccups [TechSpot]

In a galaxy 800 million light-years away from Earth, there’s a supermassive black hole that had remained relatively quiet until December 2020. Back then, astronomers detected a faint burst of “light” in the X-ray portion of the electromagnetic spectrum. The burst occurred at an unusually regular interval, every 8.5 days.Read Entire Article