http://www.lettersofnote.com/2012/08/why-explore-space.html?m=1 http://www.lettersofnote.com/2012/08/why-explore-space.html?... Reminds me of this letter, from

http://www.lettersofnote.com/2012/08/why-explore-space.html?m=1 http://www.lettersofnote.com/2012/08/why-explore-space.html?... Reminds me of this letter, from Dr. Ernst Stuhlinger to a nun with similar question.