Black Holes
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Outer Space
Chandra and XMM-Newton provide direct measurement of distant black hole’s spin
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…
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Outer Space
First Black Hole Orbiting a ‘Spinning’ Star
Spanish scientists have discovered the first binary system ever known to consist of a black hole and a ‘spinning’ star…
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Do Black Holes Have ‘Hair’? New Hypothesis Challenges ‘Clean’ Model
A black hole. A simple and clear concept, at least according to the hypothesis by Roy Kerr, who in 1963…
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