NASA's Red Planet rover stays in the picture
MSNBC Saturday 25th February, 2012
One of the trickiest things that NASA's Opportunity rover does on Mars is take a look at itself - but for the six-wheeled rover, it's been a vital part of its eight-year-plus mission on the Red Planet.This picture illustrates why the occasional once-over is so important: Because Opportunity relies on solar power, mission controllers back on Earth n...

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