This artists rendering provided by NASA shows Curiosity, the Mars Rover. After traveling 8½ months and 352 million miles, Curiosity will attempt a landing on Mars Aug. 5, 2012. (Associated Press/NASA)
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This artists rendering provided by NASA shows Curiosity, the Mars Rover. After traveling 8½ months and 352 million miles, Curiosity will attempt a landing on Mars Aug. 5, 2012. (Associated Press/NASA)
