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Photo Gallery: Mars
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Photo: Sulfur-rich rocks on Mars
Photo: MarsPhoto: Sulfur-rich rocks on MarsPhoto: Shadow of rover Opportunity on MarsPhoto: Rover landing on MarsPhoto: Low Ridge on MarsPhoto: Mars spherulesPhoto: Color image of MarsPhoto: Mars panoramaPhoto: Mars' Olympus Mons volcanoPhoto: Mars rover inspecting rocks
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Sulfur-rich rocks on Mars
Photograph courtesy NASA/JPL/Cornell

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