Battered Tharsis Tholus volcano on Mars

The latest image released from Mars Express reveals a large extinct volcano that has been battered and deformed over the eons. By Earthly standards, Tharsis Tholus is a giant, towering 8 kilometers above the surrounding terrain, with a base stretching over 155 x 125 km. Yet on Mars, it is just an average-sized volcano. What marks it out as unusual is its battered condition.

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