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NASA's Perseverance Mars rover captured this mosaic of a location nicknamed "Castell Henllys" using its Mastcam-Z camera on April 13, 2023, the 763rd Martian day, or sol, of the mission. The rounded boulders seen here are believed to have been washed into Jezero Crater, which Perseverance is exploring, by strong flood waters billions of years ago. This occurred during one of three major periods that scientists have identified in the development of the lake and river system that occupied Jezero in the ancient past. This view looks toward the southwest, with the Castell Henllys area approximate…
