GUADALAJARA, Mexico – SpaceX is spending “10s of millions” of company funds on an ambitious architecture to fulfill founder Elon Musk’s dream of setting up a self-sustaining human “civilization” on Mars, with a development cost he estimated at $10 billion. At the International Astronautical Congress (IAC) here Sept. 27, Musk presented a Hollywood-slick outline of his engineers’ plan to use reusable boosters to launch huge tanker spacecraft filled ...


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