Light detected behind a black hole for the first time
By Ashley Strickland, CNN
It’s a light show in space unlike any other.
For the first time, scientists have detected light from behind a black hole, and it fulfills a prediction rooted in Albert Einstein’s theory of general relativity.
Stanford University astrophysicist Dan Wilkins and his colleagues observed X-rays that were released by a supermassive black hole located at the center of a galaxy that is 800 million light-years from Earth.
These bright light flares are not unusual because although light can’t escape a black hole, the enormous gravity around it can heat up material to millions of degrees. This can release radio waves and X-rays. Sometimes, this super-heated material is hurled out into space by rapid jets including X-rays and gamma rays.
Light detected behind a black hole for the first time
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Astronomers Spot Light From Behind a Black Hole for the First Time – Proving Einstein Right Again
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Light detected behind a black hole for the first time
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Scientists have detected light echoing from behind a black hole for the first time. Caspar/Pixabay
If you know what a black hole is, you re probably aware that it can contain as much mass as billions of stars, compressed into a much smaller space, and have such a powerful gravitational pull that even light can t escape its grasp.
But even though it s not possible to see into a black hole, it is possible to see light that s coming from
behind one. In a paper published July 28, 2021, in the scientific journal Nature, researchers from Stanford University, Penn State University and Netherlands Institute for Space Research (SRON) describe the first-ever observation of light apparently being emitted from the far side of a supermassive black hole located in I Zwicky 1, a galaxy 800 million light-years away from Earth.