Nearly 50 years after landing on the moon, mankind has now set its sights on sending the first humans to Mars. The difference is in more than just time.
from Space.com ift.tt/2aOEKcG
Nearly 50 years after landing on the moon, mankind has now set its sights on sending the first humans to Mars. The difference is in more than just time.
from Space.com ift.tt/2aOEKcG
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