Quote:
Originally Posted by Ducimus
I'm gonna hazard a guess that even that uses fossil fuels.
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http://en.wikipedia.org/wiki/Space_S...Rocket_Booster
http://en.wikipedia.org/wiki/Space_Shuttle_Main_Engine
Not to mention NTR's are an interesting and speedy way to get around the Solar System if we continue research on them.
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"Magnificent desolation."-Buzz Aldrin
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