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Anne's Image of the Day: Spiral Galaxy Messier 99

October 11, 2013 Messier 99, a spiral galaxy in Coma Berenices Image Credit & Copyright: Adam Block/Mount Lemmon SkyCenter/University of Arizona (http://skycenter.arizona.edu/gallery/Galaxies/M99) Messier 99 (also known as NGC 4254) is an unbarred spiral galaxy located approximately 50 million light-years away from Earth in the southern part of the constellation Coma Berenices (Berenice’s Hair). It is [continue reading]