06. How many gallons of fuel will we burn getting into space? And back? (A K2S Question)

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The amount depends on the size and weight of the spacecraft, as well as the mission to be performed, but the amount of propellant is likely to be many thousands of gallons. After launch into space, it is likely that electric propulsion will be used. This is very fuel-efficient and relatively small amounts will be used as compared to launch.

Answer provided by Jon H. Brown


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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