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The Mars Exploration Rover (MER) Mission required accurate tracking of the location …


Biology Articles » Astrobiology » Localization and Physical Property Experiments Conducted by Opportunity at Meridiani Planum » Figures

Figures
- Localization and Physical Property Experiments Conducted by Opportunity at Meridiani Planum

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Fig. 1. (Top) MER Descent Image Motion Estimation System image showing traverses from the Eagle to Endurance craters, with stops at the Anatolia trough and Fram crater (image no. 1E128278513EDN0000F0006N0M1). (Inset) An elevation profile extracted from bundle-adjustments along the traverses. The dots on the profile correspond to localization stations for which backward- and forward-looking images were acquired. The relatively high elevation at the Fram location is interpreted to be due to a regional-scale but gentle rise and not due to the presence of the crater. The locations of the Bounce rock and Pilbara rock targets for the RAT are also shown. (Bottom) Pair of Pancam sol 82 images and vertical topographic profiles for traverses retrieved from rover tilt and wheel suspension data (Pancam frame nos. 1P135559477EFF1200P2431L7M1 and 1P135559499EFF1200P2431L7M1). Dark marks on the wheel tracks are associated with tie-down wheel cleats and are ~80 cm apart. Two shallow troughs are delineated by arrows at positions 1 and 2, and the low-amplitude ripples are evident in the foreground.

figure 1

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Fig. 2. (A) Pancam color mosaic of the Dog Track trench (image no. 1PP081EFF10CYLCIP2421L256C1_full) excavated into soils at the Anatolia trough and acquired on sol 80. The trench is 8 to 10 cm deep. Boxes B and C show the locations of the Microscopic Imager (MI) images shown in (B) and (C). (B) MI frame (no. 1M135284929EFF10CGP2956M2M1) showing a monolayer or pavement of coarse sand on a ripple surface whose volume is dominated by sand and finer grained soils. (C) MI frame (no. 1M135284013EFF10CGP2956M2M1) showing the Mössbauer faceplate impression in soil, including the well-defined cast of a screw head on the faceplate.

figure 2

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