2015年6月19日 星期五

Veteran NASA Spacecraft Nears 60,000th Lap Around Mars, No Pit Stops

NASA's Mars Odyssey spacecraft will reach a major milestone June 23, when it completes its 60,000th orbit since arriving at the Red Planet in 2001.

June 19, 2015
from NASA http://ift.tt/1GwOctZ
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