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Swift Makes Best-Ever Ultraviolet Portrait of Andromeda Galaxy.

Publication: Defense & Aerospace Week
Publication Date: 30-SEP-09 		Format: Online
Delivery: Immediate Online Access

Article Excerpt
In a break from its usual task of searching for distant cosmic explosions, NASA's Swift satellite has acquired the highest-resolution view of a neighboring spiral galaxy ever attained in the ultraviolet. The galaxy, known as M31 in the constellation Andromeda, is the largest and closest spiral galaxy to our own.

"Swift reveals about 20,000 ultraviolet sources in M31, especially hot, young stars and dense star clusters," said Stefan Immler, a research scientist on the Swift team at NASA's Goddard Space Flight Center in Greenbelt, Md. "Of particular importance is that we have covered...

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