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They detect spectral rings around the black hole – East Africa News Post
They discover rings around a black hole 0:58 (CNN) – Black holes are one of the last mysteries of the universe that is hard to…

They discover rings around a black hole 0:58
(CNN) – Black holes are one of the last mysteries of the universe that is hard to imagine. But thanks to a recently released NASA image, we can now visualize a slightly better picture.
the NASA’s Chandra X-ray…
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