2014年12月22日 星期一

NASA Takes Giant Leaps on the Journey to Mars, Eyes Our Home Planet and the Distant Universe, Tests Technologies and Improves the Skies Above in 2014

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

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