Grand Canyons of Earth and Mars
Channel: NASASolarSystem
Date: 2019-11-27

The Grand Canyon is a unique and spectacular land form. There is nothing quite like it anywhere else on Earth. But if we cast our gaze to distant horizons, we can find another similarly amazing location. The planet Mars has its own Grand Canyon, Valles Marineris. And it is interesting to compare Mars' canyon with ours.