Today's VIS image shows a small portion of the immense lava flows that originated from Arsia Mons. Arsia Mons is the southernmost of the three large aligned volcanoes in the Tharsis region. The different surface textures are created by differences in the lava viscosity and cooling rates. The lobate margins of each flow can be traced back to the start of each flow — or to the point where they are covered by younger flows. Flows in Daedalia Planum can be as long as 180 km. Orbit Number 80765 Latitude Longitude Instrument VIS Captured 2020-02-28 12 04

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