The space missions that never happened

From a spacecraft fitted with a gun to a nuclear-powered Mars ship, some Cold War missions came close to flight before being abandoned. But one of them is finally becoming reality. Every jaded space nerd has a dream of where they hoped space exploration would take us. By now I imagined the Earth ...

http://flip.it/YBqCV

Enviado a través de Flipboard, tu revista personal.
Consíguela gratis para mantenerte al día con las noticias que te interesan.