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mann mars 500 project_00011816
mann mars 500 project_00011816

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    Practice Mars mission 'returns' to earth

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Practice Mars mission 'returns' to earth

CNN's Jonathan Mann reports on a group of volunteers in Russia who have returned from a simulated mission to Mars,

Practice Mars mission 'returns' to earth

CNN's Jonathan Mann reports on a group of volunteers in Russia who have returned from a simulated mission to Mars,