Accretion disk

Space Astronomers confirm Einstein’s gravity by viewing light from behind a supermassive black hole

Delayed X-ray flashes showed light from a hidden accretion disk bending around a black hole, revealing relativity in action.

Space MIT astronomers detect oldest known flickering quasar from the cosmic dawn Joseph Shavit

Space The physics of no return: What actually happens if you get pulled into a black hole Joseph Shavit