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x-rays

X-rays help astronomers detect spinning black holes

By astronomy, black hole, chandra, chandra x-ray observatory, engadget, gear, gravitational lensing, microlensing, nasa, quasar, science, space, x-ray, x-rays

It 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 the spins of five supermassive black holes through a combination of data from the Chandra…

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