https://scitechdaily.com/the-photon-ring-astrophysicists-resolve-a-fundamental-signature-of-gravity-around-a-black-hole/
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8/17/22 at 10:38pm
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In a vivid confirmation of theoretical prediction, scientists have discerned a sharp ring of light created by photons whipping around the back of a supermassive black hole. When astronomers revealed humanity’s historic first image of a black hole in 2019 – de…
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