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View Full Version : Astronomers Find a “Spine” Along Spiral Arms of the Milky Way



Fraser
2013-Jan-09, 03:10 AM
Astronomers have found what may be considered a piece of a galactic skeleton; a dark structure of gas and dust that might provide a backbone on which one of the spiral arms extend from the central bar of the Milky Way galaxy. “This ‘bone’ is likely made from high density gas — the type that [...]

More... (http://www.universetoday.com/99337/astronomers-find-a-spine-along-spiral-arms-of-the-milky-way/)