New Horizons Mission Briefing

Explanation: Alan Stern, New Horizons principal investigator, Southwest Research Institute, Boulder, Colorado, second from right, speaks during a briefing on NASA's New Horizons mission to Pluto, Tuesday, April 14, 2015 at NASA Headquarters in Washington, DC. Stern and fellow panelists: James Green, director of Planetary Science, NASA Headquarters, Washington; Glen Fountain, New Horizons project manager, Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland; and Hal Weaver, New Horizons project scientist, Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland; discussed some of the challenges facing the New Horizons spacecraft during the final phases of the flyby of Pluto that will take place on July 14.

Pluto

Image credit: NASA/Joel Kowsky.