A ring of high-energy particles surrounding a black hole suddenly disappeared

A ring of high-energy particles surrounding a black hole suddenly disappeared
By Paul M. Sutter

In March 2018 astronomers watched a massive black hole surge in brightness. Then over the following year, its ring of light dimmed to near-invisibility before regaining its former strength. The potential culprit? The black hole swallowing an entire star. The neighborhood of a black hole is, to put it mildly, a nasty place. And it’s …

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July 22, 2020 at 10:05PM
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