Astronomers have discovered the first known stellar-mass black hole hiding inside the massive star cluster Omega Centauri, solving part of a mystery that has puzzled scientists for decades. Omega Centauri, located about 18,000 light-years from Earth, is the largest globular star cluster in the Milky Way. It contains around 10 million stars packed closely together. […] The post Astronomers uncover long-lost black hole hidden among 10 million stars appeared first on Knowridge Science Report .