Word: m33
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...interesting,” she added. Conventional theory says that black holes formed by collapsing stars cannot have a mass more than about 15 times that of the Sun. A team of Harvard researchers led by San Diego State professor Jerome A. Orosz separately found an object they called M33 X-7, which is about 15.7 times more massive than the sun and researchers are confident is a black hole. In addition to its sheer size, M33 X-7 is unusual for having another star in an extremely close orbit around it, Orosz said. He added that the discovery meant...
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