Indian, US satellites find black hole that spins near maximum possible rates

Mumbai: Scientists using data from India’s first dedicated astronomy satellite, AstroSat, and NASA’s Chandra X-ray Observatory have found that a black hole in the binary star system 4U 1630-47 spins close to the maximum possible rate. Relatively smaller black holes are exotic end states of massive stellar cores, said astronomers led by the Tata Institute … Continue reading Indian, US satellites find black hole that spins near maximum possible rates