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A letter from an associate director of science at NASA in 1970 answering this question: http://www.lettersofnote.com/2012/08/why-explore-space.html http://www.l
by danielamitay 8y ago
A letter from an associate director of science at NASA in 1970 answering this question:
http://www.lettersofnote.com/2012/08/why-explore-space.html http://www.lettersofnote.com/2012/08/why-explore-space.html