NASA’s Mars rover Opportunity examining rocks at edge of Endeavour Crater

NASA’s Mars rover, Opportunity, is examining rocks at the edge of Endeavour Crater for signs that they may have been either transported by a flood or eroded in place by wind.

The features were seen just outside the crater rim’s crest above “Perseverance Valley,” which is carved into the inner slope of the rim.

Researchers plan to drive Opportunity down Perseverance Valley after completing a walkabout survey of the area above it. The team is also considering possible explanations for how the slope might have changed.

The Opportunity mission has been investigating sites on and near the western rim of Endeavour Crater since 2011. The crater is about 22 kilometres across.

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