For the first time, scientists have measured the spin of a supermassive black hole at the center of a galaxy – a measurement that could help explain how these objects got so large.
Supermassive black holes are thought to occupy the center of virtually every galaxy in the universe. They tip the cosmic scales at millions or billions of times the sun's mass.
The supermassive black hole in question spins furiously at the center of the Great Barred Spiral Galaxy, formally known as NGC 1365. It lies...Full Story