How 4 Astronauts Survived On Artificial Mars
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The crew of a NASA mission to Mars emerged from their craft after a yearlong voyage that never left the Earth
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The four volunteers spent more than 12 months inside NASA's first simulated Mars environment at Johnson Space Center in Houston
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The crew come out of the artificial alien environment on Saturday at around 5 pm
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Kelly Haston, Anca Selariu, Ross Brockwell and Nathan Jones entered the 3D-printed habitat on June 25 last year
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In the past year, the crew simulated Mars mission operations, which included 'Marswalks'
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They even grew and harvested vegetables to supplement their shelf-stable food, besides maintaining their equipment and habitat, NASA said
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The crew operated under additional stressors a Mars crew will likely experience. This included communication delays with Earth, resource limitations and isolation
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The 3D printed structure - Mars Dune Alpha - simulated a Mars habitat to "support long-duration, exploration-class space missions"
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Those on Mars Dune Alpha experienced a life resembling the expected experience for those living in a future Mars surface habitat
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