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Ideas, Inventions And Innovations Fluvial Mapping of Mars It took fifteen years of imaging and nearly three years of stitching the pieces together to create the largest image ever made, the 8-trillion-pixel mosaic of Mars’ surface. Now, the first study to utilize the image in its entirety provides unprecedented insight into the ancient river systems that once covered the expansive plains in the planet’s southern hemisphere. These three billion-year-old sedimentary rocks, like those in Earth’s geologic record, could prove valuable targets for future exploration of past climates and te...

 E-Mail IMAGE: (A) A suite of ridges on Mars (at -67.64°E, 43.37°S). To determine whether features are ridges or valleys, the researchers rely on lighting in the impact craters (depressions). Based on... view more  Credit: Images courtesy J. Dickson. It took fifteen years of imaging and nearly three years of stitching the pieces together to create the largest image ever made, the 8-trillion-pixel mosaic of Mars' surface. Now, the first study to utilize the image in its entirety provides unprecedented insight into the ancient river systems that once covered the expansive plains in ...