This diagram shows how a shifting feature, called a corona, can create a flare of X-rays around a black hole. (NASA/JPL-Caltech)
Home This diagram shows how a shifting feature, called a corona, can create a flare of X-rays around a black hole. (NASA/JPL-Caltech) This diagram shows how a shifting feature, called a corona, can create a flare of X-rays around a black hole. (NASA/JPL-Caltech)