Home > Astronomy, Astrophysics, Black Holes, General Astronomy, Milky Way, Stars > UCLA Astronomers Solve Puzzle About Bizarre Object At The Center Of Our Galaxy

UCLA Astronomers Solve Puzzle About Bizarre Object At The Center Of Our Galaxy


For years, astronomers have been puzzled by a bizarre object in the center of the Milky Way that 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, UCLA astronomers believe that they have solved the riddle of the object widely known as G2.

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. The research is published today in the journal Astrophysical Journal Letters.

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