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who discovered black hole?
Einstein's general theory of relativity (published in 1916) predicts black holes. Then a few months after Karl Schwarzschild gave a solution for the gravitational field of a point mass and a spherical mass, that a black hole could theoretically exist. Perhaps the first object to be generally recognized as a black hole is the X-ray binary star Cygnus X-1. Its effect on its companion star suggested as early as 1971 that it must be a compact object with a mass too high for it to be a neutron star. How the Black hole theory came from general relativity is that theoretically if a stars gravity is too strong it would implode/collapse into itself causing a black hole. Einstein determined that this is impossible. Black Holes are purely theoretical and for them to exist goes against basic physics. Nobody has ever seen black hole. If a stars gravity was to strong it would explode and not form a black hole according to basic laws and physics.


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