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Big milestone for Opportunity; drives past small crater


NASA's Mars Exploration Rover Opportunity used its navigation camera to take the exposures combined into this view of a wee crater, informally named

PASADENA, CALIFORNIA (BNS): NASA's Mars Exploration Rover Opportunity has achieved a major milestone exceeding the miles it was originally planned to travel on Mars.

A drive of 482 feet (146.8 meters) on June 1 this year took the rover past 30 kilometers (18.64 miles) in total odometry during 88 months of driving on Mars - that's 50 times the distance originally planned for the mission, NASA said.

Opportunity has passed many craters on its crater-hopping tour. One of the youngest of them is "Skylab" crater, which the rover passed last month. This crater, informally named after America's first space station, is only about 9 meters (30 feet) in diameter.

Opportunity passed it as the rover made progress toward its long-term destination, Endeavour crater, which is about 22 kilometers (14 miles) in diameter.

The positions of the scattered rocks relative to sand ripples suggest that Skylab is young for a Martian crater. Researchers estimate it was excavated by an impact within the past 100,000 years.

Opportunity and its twin, Spirit, completed their three-month prime missions on Mars in April 2004. Both rovers continued for years of bonus, extended missions.

The have made important discoveries about wet environments on ancient Mars that may have been favorable for supporting microbial life. Spirit has not communicated with Earth since March 2010.

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NASA  Mars  Opportunity  

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