2015年6月29日 星期一

Quick: Read The Planetary Society Mars Plan While It Is Free

Keith's note: In April 2015 the Planetary Society held an invitation-only "Humans Orbiting Mars" workshop wherein they unveiled their idea for a mission to Mars. At a quick press conference after the event (no media were allowed to attend...

from NASA Watch http://ift.tt/1U1XR2W
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