The Mars500 Experiment Ends

mars 500, simulation, russia
Alexander Nemenov / AFP / Getty Images

The Experiment Site
The Mars500 isolation facility outside of Moscow, Russia, June 3, 2010, in a photo taken before six crew members were sealed inside. Six men were locked inside the facility, cut off from the outside world for the next one-and-a-half years, in an unprecedented experiment to simulate the effects of a mission to Mars.

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