Will Hester
@WHester · 3 mai 2012
What's your favorite book about space? #APSpaceChat
Elon Musk
@elonmusk
Ignition by John Clarke, Huzel & Wang book on propulsion, Asimov's Foundation, Heinlein's MiaHM @WHester #APSpaceChat
18:15 · 3 mai 2012 · 0 vues
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