2016年9月27日 星期二

A million people in 40 to 100 years: SpaceX unveils plan to colonize Mars

After much anticipation, Elon Musk revealed his plans to colonize Mars. Here are the details, some questions yet to be answered, and a few thoughts on how this could change the way we think about human spaceflight.

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