File:Alver crater MESSENGER mosaic.jpg
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Summary
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English: Date acquired: November 24, 2014
Image Mission Elapsed Time (MET): 59143618, 59143622, 59143626 Image ID: 7489056, 7489057, 7489058 Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS) Center Latitude: -66.7° Center Longitude: 77.2° E Resolution: 131 meters/pixel Scale: Alver basin is approximately 151 km (94 mi.) in diameter. Incidence Angle: 75.9°, 78.8°, 81.7° Emission Angle: 6.1°, 2.0°, 2.7° Phase Angle: 82.0°, 80.5°, 79.2° Of Interest: Alver is a large, peak-ring basin in Mercury's southern hemisphere. This mosaic, made up of three separate images, reveals a rough ejecta deposit, impact melt ponds, a smooth, cracked floor, terraced walls, and a peak ring. Give it a click and zoom in to see this basin in detail! This image was acquired as a high-resolution targeted observation. Targeted observations are images of a small area on Mercury's surface at resolutions much higher than the 200-meter/pixel morphology base map. It is not possible to cover all of Mercury's surface at this high resolution, but typically several areas of high scientific interest are imaged in this mode each week. |
| Date | |
| Source | ALVER IS THE CENTERFOLD |
| Author | NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:44, 4 March 2022 | | 3,022 × 2,192 (1.86 MB) | Jstuby (talk | contribs) | Uploaded a work by NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington from [https://messenger.jhuapl.edu/Explore/Science-Images-Database/gallery-image-1517.html ALVER IS THE CENTERFOLD] with UploadWizard |
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