IAC researchers discovered the mysterious structure of a black hole seen edge on

Edge-on view of the accretion disc, as seen from the Earth. A raised structure (like a donut), seen in the interior, causes the light from the inner parts of the disc (those closest to the black hole) to be eclipsed. This 'donut' gyrates around the black
Edge-on view of the accretion disc, as seen from the Earth. A raised structure (like a donut), seen in the interior, causes the light from the inner parts of the disc (those closest to the black hole) to be eclipsed. This 'donut' gyrates around the black
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