Stuck in the Sand, But Enjoying the View -- On the other side of Mars, Opportunity's twin rover Spirit is stuck in a sand trap within Gusev Crater. Before getting stuck, Spirit had lost the use of one of its wheels and it was suffering bouts of memory loss. But it's not all bad news. While stuck, Spirit has been carrying out limited science activities, uncovering evidence for ancient water under its wheels. Image: Sunrise on Mars as witnessed by Mars Rover Spirit (NASA/JPL)
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