NASA plans to send a 400,000 kg manned spacecraft on a 30-month round trip to Mars as early as February, 2031. Cost estimates range from $20 billion to $450 billion; the mission would be the most complex technical feat ever attempted. Should humans go to Mars?
"Today no framework other than science even comes close to unraveling the mysteries of the world around us or describing our origins and identity with the emotional power of early mythology."
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