PIA04413-med.jpg | Naked Scientists - 188BET竞彩,188金宝慱亚洲体育app

An artist's concept portrays a NASA Mars Exploration Rover on the surface of Mars. Two rovers have been built for 2003 launches and January 2004 arrival at two sites on Mars. Each rover has the mobility and toolkit to function as a robotic geologist.

Credit:

CC0 - NASA/JPL

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