Living in a dome next to a barren volcano, a team of NASA recruits has begun to simulate what life on Mars would be like. The goal is to see how well the six-strong team will do over a year living in very cramped quarters. And in case you're wondering if you have what it takes, check out NASA's astronaut selection program.
A journey outside the dome - which measures only 36ft (11m) in diameter and is 20ft (6m) tall - will require a spacesuit.
A French astrobiologist, a German physicist and four Americans - a pilot, an architect, a journalist and a soil scientist - make up the Nasa team.
The men and women will each have a small sleeping cot and a desk inside their rooms. Provisions include powdered cheese and canned tuna.
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