Astronomers have used NASA’s Chandra X-ray Observatory and the European Space Agency’s (ESA’s) XMM-Newton to show a supermassive black hole six billion light years from Earth is spinning extremely rapidly. This first direct measurement of the spin of such a distant black hole is an important advance for understanding how ...
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Spanish scientists have discovered the first binary system ever known to consist of a black hole and a ‘spinning’ star — or more accurately, a Be-type star. Although predicted by theory, none had previously been found. The observations that led to the discovery were performed with the Liverpool and Mercator ...
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A black hole. A simple and clear concept, at least according to the hypothesis by Roy Kerr, who in 1963 proposed a “clean” black hole model, which is the current theoretical paradigm. From theory to reality things may be quite different. According to a new research carried out by a ...
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