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Sunday, November 22, 2009

Photo: Shuttle's Human Experiments Pave Way for Moon, Mars Voyages


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The space shuttle Discovery safely touched down at the John F. Kennedy Space Center in Cape Canaveral, Florida, on July 17, 2006.

Science experiments started during the 13-day mission will help better prepare astronauts to stay healthy during long-distance space flights to the moon and Mars.

Photograph by John Raoux/AP Photo