Guide to Magellan Image Interpretation

Figure 7-6. Radiophysical properties of Mead crater superimposed on the SAR image: (a) altimetry contours at 100-m intervals-the reference altitude is 6052-km planetary radius, and the drop in elevation from the crater rim to the center of the crater is approximately 1.0 km; (b) emissivity contours at 0.01 intervals-the lowest emissivity is 0.715 on the eastern floor of the crater, while the western floor and the surrounding plain have higher emissivities.

Figure 7-6. Radiophysical properties of Mead crater superimposed on the SAR image: (a) altimetry contours at 100-m intervals-the reference altitude is 6052-km planetary radius, and the drop in elevation from the crater rim to the center of the crater is approximately 1.0 km; (b) emissivity contours at 0.01 intervals-the lowest emissivity is 0.715 on the eastern floor of the crater, while the western floor and the surrounding plain have higher emissivities.

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