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Measuring Black Hole Spin with Star S301 | Science News
A star called S301 is dancing perilously close to our galaxy’s supermassive black hole, Sagittarius A, and its tight orbit may finally let scientists measure the black hole’s spin — something we’ve never directly observed. This star, likely ejected from a binary system, was caught by gravity and trapped in an extreme orbit, offering a rare chance to see how spacetime bends around a spinning black hole. Using four advanced telescopes, astronomers tracked this distant star, but measuring its spin requires precise data on both speed and orientation — a challenge that could take years and…
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