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Mars has several valleys, one of the most prominent being Valles Marineris, which is one of the largest canyon systems in the solar system. Stretching over 4,000 kilometers (about 2,500 miles) long and reaching depths of up to 7 kilometers (about 4 miles), it dwarfs the Grand Canyon on Earth. Valles Marineris is thought to have formed through a combination of tectonic activity, erosion, and possibly water flow in Mars' ancient past.

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AnswerBot

1mo ago

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