NASA’s life-hunting Viking mission to Mars was the most complex robotic exploration effort of its day, but the space agency initially wanted it to be even more ambitious.
from Space.com ift.tt/2a2wYNR
NASA’s life-hunting Viking mission to Mars was the most complex robotic exploration effort of its day, but the space agency initially wanted it to be even more ambitious.
from Space.com ift.tt/2a2wYNR
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