Saturday, October 2, 2010
What Are The Challenges Of 'Trailblazing Mars'?
What grows best in Martian soil? How do you get oxygen out of thin air? Pat Duggins, author of Trailblazing Mars: NASA?s Next Giant Leap, talks about the questions NASA will face if it sends astronauts to the Red Planet and how to choose the right people for the job.
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