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med the monster black hole LB-1. (Xinhua) Still, such a search is like looking for a needle in a haystack: only one star in a thousand might be circling a black hole. After the initial discovery, the world's largest optical telescopes -- Spain's 10.4-m Gran Telescopio Canarias and the 10-m Keck I telescope in the United States -- were used to determine the system's physical parameters. The results were fantastic: a star eight times heavier than the Sun was seen orbiting a 70-solar-massThis website template has several pages: ists to re, -examine h, FAQ, ow such , black hole, s form. Th (note that contact us form ?C doesn??t work).