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Which planet has the largest known canyon?
Quick Answer
Mars has the largest known canyon system in the Solar System: Valles Marineris. It stretches about 4,000 km and is up to 7 km deep.
The Full Story
Valles Marineris on Mars is the biggest canyon system known in the Solar System. It runs for roughly 4,000 kilometers, which is about one-fifth of Mars’s circumference. In some places it reaches around 7 kilometers in depth, far larger than Earth’s Grand Canyon. The feature was named in the 1970s after the Mariner 9 spacecraft, which first revealed its enormous scale.
Key Facts
1.Length about 4,000 km
2.Depth up to about 7 km
3.Named after Mariner 9
YouTube Angle
Suggested video title for this topic:
"A canyon so huge it would stretch across a continent!"
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