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Imaging Ever Closer to the Event Horizon

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Hot matter orbiting black hole

Artist's conception of a blob of hot matter orbiting close to the surface of a black hole. At this distance, its orbit is influenced by the black hole's spin.

Credit: NASA/CXC/M. Weiss

While black holes themselves swallow any light beyond their event horizon, the area outside the event horizon tends to emit lots of light.

From Ars Technica
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