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Mars has been flown by, orbited, smacked into, radar inspected, and rocketed onto, as well as bounced upon, rolled over, shoveled, drilled into, baked...more

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I think there would be no shortage of applicants to the government astronaut corps to be settlers on the planet Mars. And I think this would be very i...more

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Space travel for everyone is the next frontier in the human experience.

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Globalisation means many other countries are asserting themselves and trying to take over leadership. Please don't ask Americans to let others assume ...more

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One of the major problems with long-term deep space human flight is the requirement for radiation shielding.

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Space architectures capable of supporting a permanent human presence on Mars are extraordinarily complex, with many different interdependent systems.

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The first footfalls on Mars will mark a historic milestone, an enterprise that requires human tenacity matched with technology to anchor ourselves on ...more