![Evidence of Ancient Martian Rivers](https://www.nasa.gov/wp-content/uploads/2023/03/53260main_MM_image_feature_98_jwhires.jpg)
Evidence of Ancient Martian Rivers
This picture from NASA's Mars Global Surveyor could help settle a decades-long debate about whether the planet had long-lasting rivers instead of just brief, intense floods. The image of the delta-like fan shows eroded ancient deposits of transported sediment long since hardened into interweaving, curved ridges of layered rock.
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https://www.nasa.gov/image-detail/evidence-of-ancient-martian-rivers/
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