The first photograph of a black hole and its fiery halo, released on Wednesday by Event Horizon Telescope astronomers, is the 'most direct proof of their existence.'
A supermassive black hole with millions to billions times the mass of our sun is seen in an undated NASA artist's concept illustration.The first photograph of a black hole and its fiery halo, released on Wednesday by Event Horizon Telescope astronomers, is the"most direct proof of their existence," one of the project's lead scientists told AFP.
"The millimetric range - measured in thousandths of a metre - turns out to be the best wave length to investigate black holes because the waves pass through the dust clouds that enshroud them. That is not true for infrared.""By definition, a black hole per se cannot be seen, and never will be. "What we see in the image is the shadow of the black hole's rim - known as the event horizon, or the point of no return - set against the luminous accretion disk.
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