X-rays help astronomers detect spinning black holes - Engadget

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X-rays help astronomers detect spinning black holes (https://news.google.com/__i/rss/rd/articles/CBMiPmh0dHBzOi8vd3d3LmVuZ2FkZ2V0LmNvbS8yMDE5LzA3Lz A3L3NwaW5uaW5nLWJsYWNrLWhvbGVzLW5hc2Ev0gFCaHR0cHM6 Ly93d3cuZW5nYWRnZXQuY29tL2FtcC8yMDE5LzA3LzA3L3NwaW 5uaW5nLWJsYWNrLWhvbGVzLW5hc2Ev?oc=5) EngadgetIt can be tricky to measure the spin of a black hole, particularly when it's hard to see them, but astronomers have pulled off just such a feat. They've gauged...



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