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Photo by: Sergey Ponomarev

Russian space officials watch video footage of researchers in space suits simulating a landing on Mars at the Mission Control Center in Korolyov, just outside Moscow, Monday, Feb. 14, 2011. The international crew of researchers conducted a mock landing on Mars after 257 days of confinement in an isolated module to imitate a flight to the Red Planet. (AP Photo/Sergey Ponomarev)

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