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Four volunteers spent more than a month pretending to be stuck on Mars.
Their simulated mission to Mars tested “how future astronauts may react to isolation and confinement during deep-space journeys,” according to NASA. The crew of four went through 18 health studies during their stint at a 650-square-foot habitat at the Johnson Space Center in Houston.
Outside of each other’s company, the crew kept four pet triops shrimp: Buzz, Alvin, Simon, and Theodore.
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