Our Milky Way Galaxy May Be Larger Than Thought

March 11, 2015 8:03 PM

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According to a new study led by Yan Xu of Rensselaer Polytechnic Institute in Troy, NY, our Galaxy is at least 50 percent larger than is commonly estimated.

The study, to be published in the Astrophysical Journal (arXiv.org preprint), revisits data from the Sloan Digital Sky Survey (SDSS) which, in 2002, established the presence of the Monoceros Ring, a bulging ring of stars beyond the known plane of the Galaxy.

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