Opportunity has been given a new lease on life after the Red Planet gave the tenacious Mars rover a power-boosting spring clean.
When NASA engineers envisaged the mission of Mars rovers Spirit and Opportunity, they were, in hindsight, fairly pessimistic about their mission duration. From landing in 2004, the twin robots were expected to have a mission duration of only three months, and one of the key threats to their survival would be dust sticking to the rovers’ solar panels. And the dust sure did stick.
But in true Mars style, there were some surprises.
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