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Originally posted by nighthawk1954
I swear on the bottom right hand side of one the photo's it looks like a MacDonald's Wrapper!
The similarity of breakdown features on Martian surfaces with those found in arid and hyper-arid environments has been noted ever since the Viking mission brought back close-up images from Mars. However, the more recent perambulations of the Spirit and Opportunity rover vehicles has brought into sharp focus the clear similarities between surface rock breakdown on Mars and Earth. The image pairs below illustrate these similarities,