The groundbreaking photograph from the Event Horizon Telescope (EHT) showed the supermassive black hole at the center of the galaxy M87. This iconic image, revealing the immense black hole known as Virgo A (NGC 4486), located in the constellation Virgo, was a landmark in astrophysics. The same black hole is astonishing scientists again with a spectacular gamma-ray flare. It is seven orders of magnitude — tens of millions of times — more significant than the event horizon or surface of the black hole itself.
Astonishing images of gamma-ray flares erupting from M87
It is seven orders of magnitude.
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