Born many ways
Most black holes form when massive stars collapse. Others grow by mergers, steady feeding, or even direct collapse of gas clouds.Black Holes: Origins—from Dying Stars to Quasar Giants
A cosmic family
Stellar, intermediate‑mass, and supermassive black holes span from a few to billions of solar masses; almost every galaxy hides one at its center.Black Holes: Origins—from Dying Stars to Quasar Giants
