When you see astronauts coming back from the ISS they are usually physically helpless lambs that have to be assisted till they acclimate back to a gravity environment. When astronauts spend seven months trekking through inner-solar space, who will be there to assist them in this process? I know that Mars has less gravity than Earth, but it does have gravity, and the astronauts just spent 7 months is non-gravity space. Will they crawl around till they adjust to the Martian environment, or will you send in robots to act as nurse maids? There is a lot of idyllic visions of the human journey to our solar neighbors, it is hard to separate truth from hopeful fiction. It seems that there are a lot of supportive data accumulated that a computer simulation should be in order. How would events unfold in a human, not cargo, journey to the Red Planet be? How would the human body respond to being in deep space between Earth and Mars for seven months? There are a lot of questions that needs to be asked before we end up saying; I'm sorry.
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