Science
Astronomers Watch a Black Hole’s Corona Mysteriously Disappear, Then Reappear – SciTechDaily
A colliding star may have triggered the drastic transformation. It seems the universe has an odd sense of humor. While a crown-encrusted virus has run roughshod over the world, another entirely different corona about 100 million light years from Earth has mys…
This diagram shows how a shifting feature, called a corona, can create a flare of X-rays around a black hole. The corona (feature represented in purplish colors) gathers inward (left), becoming brighter, before shooting away from the black hole (middle and right). Astronomers don’t know why the coronas shift, but they have learned that this process leads to a brightening of X-ray light that can be observed by telescopes. Credit: NASA/JPL-Caltech
A colliding star may have triggered the drastic t…
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