Mystery of bizarre object in galaxy solved
The HinduA bizarre object in the centre of the Milky Way which has puzzled astronomers for years is most likely a pair of binary stars that merged together, a new study has found. The object, known as G2, in the centre of Milky Way was believed to be a hydrogen gas cloud headed toward our galaxy’s enormous black hole. Having studied it during its closest approach to the black hole this summer, University of California, Los Angeles astronomers believe that they have solved the riddle of the object. A team led by Andrea Ghez, professor of physics and astronomy in the UCLA College, determined that G2 is most likely a pair of binary stars that had been orbiting the black hole in tandem and merged together into an extremely large star, cloaked in gas and dust — its movements choreographed by the black hole’s powerful gravitational field. Ghez, who studies thousands of stars in the neighbourhood of the supermassive black hole, said G2 appears to be just one of an emerging class of stars near the black hole that are created because the black hole’s powerful gravity drives binary stars to merge into one.
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