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Osuga Valles
Diagram of Martian rivers
Osuga Valles
Diagram of Martian rivers
Osuga Valles
Diagram of Martian rivers
Research on branching rivers supports the idea that canyons like these, in a region of Mars called Osuga Valles, were caused by overland flooding, not gradual seepage. Courtesy of ESA/DLR/FU Berlin
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