2015年3月18日 星期三

NASA Spacecraft Detects Aurora and Mysterious Dust Cloud around Mars

NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has observed two unexpected phenomena in the Martian atmosphere: an unexplained high-altitude dust cloud and aurora that reaches deep into the Martian atmosphere.



March 18, 2015

from NASA http://ift.tt/1xeIBaW

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