2016年12月14日 星期三

Lunar orbit beckons: NASA’s next four years of human spaceflight

Our six-part Horizon Goal series concludes with a look at the future of NASA's human spaceflight program. As NASA prepares to set up shop beyond low-Earth orbit for the first time since 1972, are changes coming for the agency's Space Launch System rocket and Orion crew capsule?

from Planetary Society Blog http://ift.tt/2gZFNb6
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