A Mars mission has a lot of unknowns, because we never did something like that. But that in turn makes progressing on such an endeavour hard. One way is to reduce the risk: Suppose we build a full-sized spacecraft, equipped with all the supplies, and put it in a big vacuum chamber like this one:
Why Don’t We Simulate a Mars Mission?
Why Don’t We Simulate a Mars Mission?
Why Don’t We Simulate a Mars Mission?
A Mars mission has a lot of unknowns, because we never did something like that. But that in turn makes progressing on such an endeavour hard. One way is to reduce the risk: Suppose we build a full-sized spacecraft, equipped with all the supplies, and put it in a big vacuum chamber like this one: