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Jagged comet landscape, October 24, 2014 This four-image mosaic contains unusual rhythmic ridges and a jagged fissure, among other odd comet surface features. It was taken on October 24, 2014 from a distance of 9.8 kilometers from the center of the comet, or roughly 7.8 kilometers from the surface. ESA / Rosetta / NavCam / Damia Bouic