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- How (and Why) SpaceX Will Colonize Mars — Page 5 of 5 — Wait But Why | Page 5 http://waitbutwhy.com/2015/08/how-and-why-spacex-will-colonize-mars.html/5 13 comments
- NASA Is Testing A Drone For Mars | Popular Science http://www.popsci.com/nasa-has-mars-plane-concept 0 comments
- xkcd's Interplanetary Cessna and Trajectories | WIRED http://www.wired.com/wiredscience/2013/02/xkcds-interplanetary-cessna-and-trajectories/ 0 comments
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