Martian explorer Opportunity's version of a "selfie", taken in July 2004. The robot's twin, Spirit, stopped communicating with the US space agency in 2010. Photo: AP

Nasa's doddering Martian rover Opportunity is losing its marbles

Nasa trying to fix memory problem on the long-serving Opportunity robot

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Martian explorer Opportunity's version of a "selfie", taken in July 2004. The robot's twin, Spirit, stopped communicating with the US space agency in 2010. Photo: AP
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