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The prestigious Prize - Nobel prize, was awarded last year(2020) to three of the nominees, Roger Penrose - for showing theoretically that a black hole was a robust prediction of Einstein's general theory of relativity, Reinhard Genzel and Andrea Ghez - for their experimental discovery of a Supermassive object at the center of our galaxy(milky way) which might be a black hole and often called Sagittarius A* (Sgr A*).
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Recently a group of astronomers reported an experimental investigation that has been going on for quite a long time now about the weird behavior of the motion of a gas cloud called G2 that hints at the possibility of the object at our Galaxy's center not being a black hole but instead ....Read more
Credit: Tom Gauld