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nasa · mars

Opportunity rover to explore Mars gully

NASA's Opportunity Mars rover will drive down a gully carved long ago by a fluid that might have been water, according to the latest plans for the 12-year-old mission. No Mars rover has done that before.

dateOct 07, 2016 in Space Exploration
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Image: Dione's contrasts

Dione reveals its past via contrasts in this view from NASA's Cassini spacecraft. The features visible here are a mixture of tectonics—the bright, linear features—and impact cratering—the round features, which are spread ...

dateAug 23, 2016 in Space Exploration
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