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Spiral Galaxy Messier 101
M101 lies in the constellation Ursa Major, The Great Bear, at a distance of 25 million light years.
Source: Credit: NASA, ESA, K. Kuntz (JHU), F. Bresolin (U Hawaii), J. Trauger (JPL), J. Mould (NOAO), Y.-H. Chu (UIUC), and STScI.
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