View Full Version : Centre of Valles Marineris

2005-Sep-10, 10:43 PM
SUMMARY: The European Space Agency's Mars Express spacecraft took this image of the central region of the Valles Marineris. This 4,000 km (2,500 mile) long gash in the surface of Mars was probably created when the relatively nearby Tharsis bulge rose up from volcanic activity to a height of more than 10 km (6 miles). A similar situation exists here on Earth (on a smaller scale), at the Kenya rift in east Africa.

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