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2018 in science

NASA's Chandra X-ray Observatory confirms earlier observations by Indian Space Research Organisation's Astrosat space observatory of a rotating black hole in the binary star system 4U 1630-47, which is spinning close to the speed of light, one of the fastest ever observed.

Launched in 2015 by the Indian Space Research Organisation (ISRO), AstroSat is the first dedicated astronomy satellite of India which helped find black hole spinning near maximum possible rates.

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