Developing a reusable rocket is not an easy task. Here's why NASA did not produce any reusable rockets in the past.
Most of the Apollo hardware was built by the private sector - under contract to NASA who designed it and tested a lot of it. Over 500,000 "civilians" built the Apollo rockets and landers, probably as many involved for the 10 yrs before in earlier programs. Every buck spen...
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Brian S. asks: How did they get the space ships on the moon off when there is no oxygen there? Whether it’s two-strokes or four, one cylinder or eight, most of the engines we use today are powered by the internal combustion of fuel and air; however, mixing gasoline and oxygen isn...