Alan Stern, New Horizons principal investigator at Southwest Research Institute (SwRI) in Boulder, Colorado is seen during a New Horizons science update where new images and the latest science results from the spacecraft's historic July 14 flight through the Pluto System were discussed, Friday, July 24, 2015 at NASA Headquarters in Washington.

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Keywords: alan, dc, headquarters, horizons, joel, kowsky, nasa, stern, usa, washington