corona

  • Science

    Puzzling Corona Caused Black Hole Flare

    A black hole may flare when its corona – a mysterious source of highly energetic particles – launches away from the hole at close to 20 percent of light speed. Artist’s concept of a supermassive black hole, surrounded by a swirling disk of material falling onto it. The purplish ball of light depicted launching from the black hole is its…

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