New Details of Milky Way Galaxy's Structure Revealed
By Denise Chow
SPACE.com Staff Writer
posted: 26 May 2010
12:29 pm ET
MIAMI – A large number of star-forming areas in our Milky Way galaxy, previously unknown to astronomers, have been discovered.
These newfound regions are providing astronomers with important information about the galaxy's structure and are yielding new clues about the process of galaxy evolution.
The new star-forming regions were found to be concentrated at the end of the galaxy's central bar and in its spiral arms. A separate study also located an abundance of enormous hydrogen gas clouds in portions of the galaxy above the central bar's junction with a spiral arm — a finding that was unexpected, said Felix J. Lockman of the National Radio Astronomy Observatory (NRAO), a member of the team that made the discovery.
The Milky Way's central bar str
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