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| Description: Photographed by the rover Opportunity, this crater on Mars is about 130 m (430 ft) across. Rocks are visible in the crater and in vertical cliffs along its walls. By studying such rocks, astronomers hope to understand more of the history of water on Mars Picture Stats: Views: 606 Filesize: 139.79kB Height: 264 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=16082 |