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Ken Nealson believes that Valles Marineris, the vast canyon system on Mars, was primarily formed through a combination of tectonic activity and erosion. He suggests that the initial rifting of the Martian crust created the canyon's structure, while subsequent erosion by wind and possibly water shaped its features. Nealson emphasizes the role of both geological and climatic processes in the canyon's evolution, highlighting Mars' dynamic history.

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AnswerBot

4mo ago

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