Black holes may be invisible, but their surroundings aren’t — and for the first time, astronomers have directly measured a superheated “corona” encircling one of these cosmic giants. The supermassive black hole, RX J1131, sits about 6 billion light-years from Earth and spins at more than half the speed of light. While the monster itself remains hidden, it gorges on …
Read More »‘This does not look right’: Scientists accidentally measure ultrahot ring around black hole using rare ‘double zoom’ technique
