Description
This image taken by the Mars Exploration Rover Spirit shows an outcrop of layered bedrock in the "Columbia Hills." It was taken by the rover's panoramic camera on sol 217 (Aug. 13, 2004).

This image taken by the Mars Exploration Rover Spirit shows an outcrop of layered bedrock in the "Columbia Hills." It was taken by the rover's panoramic camera on sol 217 (Aug. 13, 2004).