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Mars Has One of the Largest Canyons in the Solar System

Valles Marineris is a gigantic canyon system on Mars stretching over 4,000 km, making it ten times larger than the Grand Canyon.

It is about 7 km deep in some places and spans nearly a quarter of the planet's circumference.

The canyon was likely formed by tectonic activity and erosion, and it provides valuable insights into the geological history of Mars.