In 2014, NASA took significant steps on the agency’s journey to Mars -- testing cutting-edge technologies and making scientific discoveries while studying our changing Earth and the infinite universe as the agency made progress on the next generation of air travel.
December 22, 2014
from NASA http://ift.tt/1AAivxy
via IFTTT
December 22, 2014
from NASA http://ift.tt/1AAivxy
via IFTTT
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