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First detection of light from behind a black hole


Researchers observed bright flares of X-ray emissions, produced as gas falls into a supermassive black hole. The flares echoed off of the gas falling into the black hole, and as the flares were subsiding, short flashes of X-rays were seen – corresponding to the reflection of the flares from the far side of the disk, bent around the black hole by its strong gravitational field. (Image credit: Dan Wilkins)
First detection of light from behind a black hole
Watching X-rays flung out into the universe by the supermassive black hole at the center of a galaxy 800 million light-years away, Stanford University astrophysicist Dan Wilkins noticed an intriguing pattern. He observed a series of bright flares of X-rays – exciting, but not unprecedented – and then, the telescopes recorded something unexpected: additional flashes of X-rays that were smaller, later and of different “colors” than the bright flares. ....

Noord Holland , Steve Allen , European Space Agencyx Ray , Saint Mary University Canada , Kavli Fellowship At Stanford University , University Of Amsterdam , Pennsylvania State University , Netherlands Institute For Space Research , European Space Agency , Advanced Telescope , Wide Field Imager , Saint Mary , Netherlands Institute , Space Research , Pennsylvania State , Newton Guest Observer , Kavli Fellowship , Stanford University , Stanford Science , நூற்த் ஹாலண்ட் , ஸ்டீவ் ஆலன் , துறவி மேரி பல்கலைக்கழகம் கனடா , பல்கலைக்கழகம் ஆஃப் ஆம்ஸ்டர்டாம் , பென்சில்வேனியா நிலை பல்கலைக்கழகம் , நெதர்லாந்து நிறுவனம் க்கு இடம் ஆராய்ச்சி , பரந்த புலம் இமேஜர் ,