Betreten des Weltraums: Schaffung einer raumfahrenden Zivilisation
26,49 €
Sagan himself said of Zubrin's humans-to-Mars plan, "Bob Zubrin really, nearly alone, changed our thinking on this issue.". WithEntering Space, he takes us further, into the prospect of human expansion to the outer planets of our own solar system--and beyond.Entering Space Paperback edition by Robert Zubrin.
Jetzt bei Ebay:
