The Largest Canyon in the Solar System Seen in New ESA Images
The largest canyon in the Solar System, Valles Marineris, is seen in stunning newly-released images from the ESA.
Ten times longer than the Grand Canyon, and three times as deep, the Valles Marineris (The Mariner Valley) cuts through the surface of Mars. This grandest canyon in the Solar System stretches 4,000 km (2,500 miles) across the Red Planet — nearly…