Mars - Viking 1 Orbiter

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Summit caldera of Olympus Mons, Mars

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Viking 1 Orbiter image of the summit caldera complex of Olympus Mons volcano, Mars. Note the circular grabens and wrinkle ridges within the caldera. Surrounding the summit are radiating flow terraces. The width of this frame is 175 km. North is up.

(Viking Orbiter 890A68)
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