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Simulation of Spirit on the flank of Husband Hill This synthetic image was created using a photorealistic model of the rover and a false-color mosaic. The size of the rover in the image is approximately correct and was based on the size of the rover tracks in the mosaic. The mosaic was assembled from frames taken by the panoramic camera (Pancam) on sol 454 (13 April 2005). NASA / JPL-Caltech / Cornell / Rover model by Dan Maas; synthetic image by Koji Kuramura, Zareh Gorjian, Mike Stetson and Eric M. De Jong