wec9887

http://www.reddit.com/user/wec9887

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wec98871 karma2017-09-20 16:27:34 UTC

I signed up for the course. Any recommended pre-course studying?

wec98871 karma2017-09-20 17:11:59 UTC

Do you advocate sending humans back to the moon first, and then to Mars, or just going straight to Mars? Any thought of building a space station at a Lagrange point to use as a starting/assembly point for Mars flights?

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