From NASA's Planetary Photojournal
Two views of Olympus Mons, shown as topography draped over a Viking image mosaic. Mars Orbiter Laser Altimeter's (MOLA) regional topography has shown that this volcano sits off to the west of the main Tharsis rise rather than on its western flank. The topography also clearly shows the relationship between the volcano's scarp and massive aureole deposit that was produced by flank collapse. The vertical exaggeration is 10:1.
Image Title: Major Martian Volcanoes from MOLA - Olympus Mons
Catalog #: PIA02806
Target Name: Mars
Spacecraft: Mars Orbiter Laser Altimeter
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Last Modified On: Tuesday, December 19, 2000