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This is the largest canyon in the solar system
vendredi 8 janvier 2021, 01:58 , par BoingBoing
NASA/JPL and the University of Arizona released these glorious new images of the largest canyon in the solar system: Valles Marineris on Mars. At more than 4,000km long and 7km deep, the system of canyons is almost 10 times longer and three times deeper than Earth's Grand Canyon. — Read the rest
https://boingboing.net/2021/01/07/this-is-the-largest-canyon-in-the-solar-system.html
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