Messier 101

NASA Galaxy Evolution Explorer took this near ultraviolet image of Messier 101 on June 20, 2003. Messier 101 is a large spiral galaxy located 20 million light-years from Earth.

NASA Galaxy Evolution Explorer took this near ultraviolet image of Messier 101 on June 20, 2003. Messier 101 is a large spiral galaxy located 20 million light-years from Earth. http://photojournal.jpl.nasa.gov/catalog/PIA04631