NASA Announces New Discoveries Of Planet Mercury From...

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Scientists working with NASA's MESSENGER spacecraft program, Sean... News PhotoEvent,Explaining,Headquarters,Horizontal,Messenger,NASA,New,Press Conference,Science,Science and Technology,Scientist,Space,Space Exploration,Space Mission,Space Travel Vehicle,Technology,USA,Washington DC,WorkingPhotographer Collection: Getty Images News 2012 Getty ImagesWASHINGTON, DC - NOVEMBER 29: Scientists working with NASA's MESSENGER spacecraft program, (L to R) Sean Solomon, David Lawrence, Gregory Neumann, and David Paige, explain new findings during a press conference at NASA headquarters November 29, 2012 in Washington, DC. Recent studies performed by the spacecraft indicate support for a hypothesis that the planet Mercury planet harbors abundant water ice and other frozen materials within its shadowed polar craters. (Photo by Win McNamee/Getty Images)