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Bizarre Black Hole Shoots X-Ray Rings While Making Spacetime Wobble

Noted: The team, led by Sebastian Heinz of the University of Wisconsin in Madison, took a look at several telescopes’ data from the 2015 outburst to probe the dust clouds, finding that most of the grains are likely graphite and silica. More importantly, the observations found that the dust cloud is not the same density in all directions, contradicting the theory suggested in previous studies.