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Harvard-Smithsonian Center for Astrophysics

First "Bone" of the Milky Way Identified

8 Jan 2013, 20:57 UTC
First "Bone" of the Milky Way Identified

January 08, 2013: Our Milky Way is a spiral galaxy - a pinwheel-shaped collection of stars, gas and dust. It has a central bar and two major spiral arms that wrap around its disk. Since we view the Milky Way from the inside, its exact structure is difficult to determine.

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