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Humans to Mars: Fifty Years of Mission Planning, 1950 - 2000

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Humans to Mars: Fifty Years of Mission Planning, 1950 - 2000 - Portree, David S F, and Administration, National Aeronautics and
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"The story of the dreams and the unbuilt spaceships for flights to Mars should be recorded so that in the future people can examine past ideas of space travel just as we can examine the unconsummated ideas of Leonardo da Vinci by reading his notebooks. Years from now people should be able to decide for themselves whether they want to go to Mars or if they prefer to stay earthbound. But let us not destroy the dream, simply because we do not wish to pursue it ourselves." (Edward Ezell, 1979) In the past half century, ...

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Humans to Mars: Fifty Years of Mission Planning, 1950 - 2000 2013, Createspace Independent Publishing Platform

ISBN-13: 9781493656615

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