The VASIMR ion engine could - if powered by an onboard nuclear reactor - take astronauts to Mars in just 39 days (Illustration: Ad Astra Rocket Company)
Thursday, July 23, 2009
Ion engine could one day power 39-day trips to Mars - space - 22 July 2009 - New Scientist
Ion engine could one day power 39-day trips to Mars - space - 22 July 2009 - New Scientist: "Ion engine could one day power 39-day trips to Mars"
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