New arm discovered in outer edge of the Milky Way Galaxy

Monday, May 23, 2011 - 08:10 in Astronomy & Space

(PhysOrg.com) -- In a surprising twist, if you will, Thomas Dame and Patrick Thaddeus, both of the Harvard-Smithsonian Center for Astrophysics, have put forth in a paper to be published in an upcoming issue of Astrophysical Journal Letters, the notion that a cluster of gas clouds they've discovered, that lies far from what is currently believed to be the center of the Milky Way Galaxy, is likely the extension of one of the great arms that form our galaxy.

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