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    Meet the Mars One candidates

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Meet the Mars One candidates

Fancy a one-way trip to Mars? 100 candidates are vying for 24 spots on the once-in-a-lifetime mission. CNN's Michael Holmes reports.

Meet the Mars One candidates

Fancy a one-way trip to Mars? 100 candidates are vying for 24 spots on the once-in-a-lifetime mission. CNN's Michael Holmes reports.