A team of astronomers has managed to calculate the speed of a distant supermassive black hole’s spin thanks to the object’s chance meeting with a star—which it promptly destroyed.
On September 7, 2022, the Zwicky Transient Facility detected a new transient object in deep space, about one billion light-years from Earth. The object was very bright, and now, a team of astronomers believes it’s a star that’s come back from the dead.