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Messier 101 Single Orbit Exposure
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Messier 101 Single Orbit Exposure

This single orbit exposure, ultraviolet color image of Messier 101 was taken by NASA's Galaxy Evolution Explorer on June 20, 2003. Messier 101 is a large spiral galaxy located 20 million light-years from Earth. This image is a short and medium "exposure" picture of the evolution of star formation in a spiral galaxy. The far ultraviolet emission detects the younger stars as concentrated in tight spiral arms, while the near ultraviolet emission, which traces stars living for more than 100 million years, displays the movement of the spiral pattern over a 100 million year period. The red stars in the foreground of the image are Milky Way stars. http://photojournal.jpl.nasa.gov/catalog/PIA04632

Date
2003-07-25
Photographer / author
NASA/JPL/Caltech
Collection
JPL
Archive
NASA Image and Video Library
Type
photograph

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Reason: a NASA work: not copyrighted in the United States.

Read from: NASA media usage guidelines: NASA material is not copyrighted in the US unless noted; no third-party credit or mark found.

Credit line

"Messier 101 Single Orbit Exposure" (2003-07-25). NASA/JPL/NASA/JPL/Caltech. Public domain. https://images.nasa.gov/details/PIA04632

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