This VIS image shows layering of surface materials in Meridiani Planum. TES (Thermal Emission Spectrometer) initially detected hematite in a surface layer, which was confirmed by THEMIS (THrmal EMision Imaging System). These findings supported a water rich origin of the hematite and led to the selection of the site for the Opportunity MER (Mars Exploration Rover). The TES instrument was located on the Mars Global Surveyor spacecraft. THEMIS is onboard the Mars 2001 Odyssey spacecraft. Orbit Number 89658 Latitude Longitude Instrument VIS Captured 2022-03-01 17 54

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Photo credit: © NASA/piemags / Alamy / Afripics
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Keywords: ., 2001, mars, odyssey