And I Feel Fine
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And I Feel Fine

December 22, 2012
Image Mission Elapsed Time (MET): 212797716 Image ID: 202274 Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS) WAC filter: 7 (748 nanometers) Center Latitude: -8.04° Center Longitude: 200.7° E Resolution: 2216 meters/pixel Scale: The image above shows ~2770 km (1721 mi.). Incidence Angle: 60.1° Emission Angle: 48.1° Phase Angle: 96.8° Of Interest: The above limb image shows the location of the basin Tolstoj. The interior of Tolstoj is filled with smooth plains while the exterior is largely Low Reflectivity Material. Images such as this provide a stunning view of Mercury's surface. This image was acquired as part of MDIS's limb imaging campaign. Once per week, MDIS captures images of Mercury's limb, with an emphasis on imaging the southern hemisphere limb. These limb images provide information about Mercury's shape and complement measurements of topography made by the Mercury Laser Altimeter (MLA) of Mercury's northern hemisphere. The MESSENGER spacecraft is the first ever to orbit the planet Mercury, and the spacecraft's seven scientific instruments and radio science investigation are unraveling the history and evolution of the Solar System's innermost planet. Visit the Why Mercury? section of this website to learn more about the key science questions that the MESSENGER mission is addressing. During the one-year primary mission, MESSENGER acquired 88,746 images and extensive other data sets. MESSENGER is now in a yearlong extended mission, during which plans call for the acquisition of more than 80,000 additional images to support MESSENGER's science goals. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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