Valles Marineris, the ‘Grand Canyon’ of Mars, a huge canyon system around 4000 km long, up to 240 km wide and 6.5 km deep, where water is believed to have flowed many thousands of years ago. The geological history of Valles Marineris still remains a mystery.
Tag: traces
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Traces of life on Mars: Olympus Mons
Olympus Mons is the highest volcano on Mars, and in our Solar System, towering 26 km above the surrounding plains.