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Can we go to Jupiter?
The hard part about sending a person to another planet is keeping him or her alive. People require, at the very least, a certain amount of food, water, and oxygen to survive. It costs a lot of money to launch payloads into space, about $10,000 per pound. How much "stuff" do think it would take to get some to another planet? How much would it cost? A trip to another planet would probably take several months or years depending on which planet.

There is also an issue on how a person traveling in space for a long time would be effected medically and psychologically. Muscles and bones might atrophy with the lack of gravity. People might have a hard time being in a very enclosed space for months on end. Humans weren't really designed with space travel in mind.

NASA is very much working on the issue of manned space travel. I'm sure they are planning to send people to Mars some time in the next century. There is still quite a bit of work to do before that can happen though.


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