Grand Canyon on Mars

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Anyone who has peeked over the rim of the Grand Canyon comes away awed, because there is nothing like it on Earth. Martians, however, would merely chuckle.


Mars has Valles Marineris, a system of canyons that stretch for 2,485 miles (4,000 kilometers -- almost the entire width of the United States.
Side canyons are often up to 60 miles (100 kilometers) wide. The central gorge is 370 miles (600 kilometers) across in places. At some spots along the rim, you'd have to look 6 miles (10 kilometers) down to find the bottom. That's six or seven times deeper than the supposedly Grand Canyon.
The Grand Canyon on Mars would stretch from New York to California!
Some parts of the Martian Grand Canyon are 2 to 3 miles deep!
The largest volcano on Mars is 3 times the height of Mount Everest!!!
This image was created by the U.S. Geological Survey by merging Viking mission images with topographic data. It shows just a portion of Valles Marineris. The location, Candor Chasma, is one some scientists suspect has been sculpted at least in part by flowing water.