What is the cost of living on Mars?
Life on Mars was once referred to something we were trying to discover. Now it's something we're trying to create. And the possibility of putting humans on Mars is a goal that could be reached in the not-too-distant future. Mars One, a private space venture from the Netherlands, plans to start colonies on Mars by 2023. And Elon Musk, founder of SpaceX, recently revealed his vision of building a colony on Mars the size of a small city.
But how much would it cost to send humans to the Red Planet?
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