Valles Marineris in the laboratory?

Valles Marineris in the laboratory?

The most stupendous feature on Mars is Valles Marineris, the great trench stretching more than 4 800 km (3 000 miles) across the Martian surface.In the 1970’s the engineer Ralph Juergens first proposed that Valles Marineris is the scar left by a giant, interplanet