Jim Green (far left), director, Planetary Science Division, Science MissionDirectorate at NASA Headquarters in Washington; Carle Pieters, principal investigator, Moon Mineralogy Mapper, Brown University; Rob Green, project instrument scientist, Moon Mineralogy Mapper, at NASA's Jet Propulsion Laboratory; Roger Clark, team member, Cassini spacecraft Visual and Infrared Mapping Spectrometer and co-investigator, Moon Mineralogy Mapper, U.S. Geological Survey in Denver and Jessica Sunshine (far right), deputy principal investigator for NASA's Deep Impactextended mission and co-investigator for Moon Mineralogy Mapper,Department of Astronomy, University of Maryland discuss their findings of water molecules in the polar regions of the moon at a press conference at NASA Headquarters, September 24, 2009, in Washington. Photo Credit: (NASA/Carla Cioffi)