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Resident Chimp
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Join Date: Nov 2000
Location: The Jungles of Borneo
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Feb 11th, 2008, 06:00 PM
Any ship that could go to Mars with enough stuff for at least 3 astronauts to survive for a 7-month trip there, one year on Mars and a 7 month trip back would be so massive that it would never get launched off of Earth. A rocket that big just wouldn't work.
Therefore, it has to be constructed in space.
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