| Live Science | Apr 25, 2014 | Katia Moskvitch. Space.com |
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| The Milky Way arches over an old windmill near Paulden, Arizona. Astrophotographer Sean Parker sent this image to SAPCE.com on Dec. 30, 2013. Credit: Sean Parker | www.sean-parker.com |
It may seem odd that a comprehensive understanding of the Milky Way's structure has so far eluded researchers. But it's tough to get a broad view of the galaxy from within.
"We are fairly confident that the Milky Way is a spiral galaxy, but we don't know much in detail. At the most basic level, we'd like to be able to make a map that would show in detail what it looks like," said Mark Reid of the Harvard-Smithsonian Center for Astrophysics, who led the new study.
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