2016年8月17日 星期三

NASA Prepares to Launch First U.S. Asteroid Sample Return Mission

NASA is preparing to launch its first mission to return a sample of an asteroid to Earth. The mission will help scientists investigate how planets formed and how life began, as well as improve our understanding of asteroids that could impact Earth.

August 17, 2016
from NASA http://ift.tt/2bsQJLE
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