Guide to Magellan Image
Figure 9-22. Sacajawea Patera is an
elliptical caldera on Lakshmi Planum in western Ishtar Terra. The
depression is enclosed by a zone of concentric troughs that show
radar-bright outlines. The floor is covered with smooth mottled
plains and has bright deposits near the center and around the
periphery. Linear to sinuous scarps have bright outlines that extend
southeast from the eastern margin of the caldera. A small shield with
a pronounced central pit is transected by one of these features.
Illumination is from the left at an incidence angle of 27 deg.
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