File:PIA21078 Occator on Ceres' Limb.jpg
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English: This image of the limb of dwarf planet Ceres shows a section of the northern hemisphere. Prominently featured is Occator Crater, home of Ceres' intriguing brightest areas.
At 57 miles (92 kilometers) wide and 2.5 miles (4 kilometers) deep, Occator displays evidence of recent geologic activity. The latest research suggests that the bright material in this crater is comprised of salts left behind after a briny liquid emerged from below, froze and then sublimated, meaning it turned from ice into vapor. Dawn took this image on Oct. 17 from its second extended-mission science orbit (XMO2), at a distance of about 920 miles (1,480 kilometers) above the surface. The image resolution is about 460 feet (140 meters) per pixel. Dawn's mission is managed by JPL for NASA's Science Mission Directorate in Washington. Dawn is a project of the directorate's Discovery Program, managed by NASA's Marshall Space Flight Center in Huntsville, Alabama. UCLA is responsible for overall Dawn mission science. Orbital ATK, Inc., in Dulles, Virginia, designed and built the spacecraft. The German Aerospace Center, the Max Planck Institute for Solar System Research, the Italian Space Agency and the Italian National Astrophysical Institute are international partners on the mission team. For a complete list of mission participants, see http://dawn.jpl.nasa.gov/mission. For more information about the Dawn mission, visit http://dawn.jpl.nasa.gov.Français : Cette vue de la planète naine Cérès montre une section de l'hémisphère nord et de son horizon. Son élément principal est le cratère Occator, qui mesure 92 km de large et 4 km de profondeur et affiche des preuves d'une activité géologique récente.
Occator abrite l'une des plus brillantes taches claires de Cérès. Les dernières recherches suggèrent qu'elles sont composées d'une variété de sels, qui pourraient résulter de petits jaillissements d'eau provenant de l'intérieur de Céres, immédiatement sublimée. La sonde spatiale Dawn a pris cette photographie le 17 octobre 2015, lors de sa seconde orbite scientifique à mission prolongée (XMO2), à une distance d'environ 1 480 km au-dessus de la surface. La résolution de l'image est d'environ 140 mètres par pixel. La mission Dawn est gérée par le Jet Propulsion Laboratory, pour le compte de la Direction de la mission scientifique de la NASA à Washington. Dawn est un projet du Programme Discovery, géré par le centre de vol spatial Marshall de la NASA à Huntsville, en Alabama. L'Université de Californie à Los Angeles est responsable de l'ensemble de la mission scientifique de Dawn. Orbital ATK, à Dulles en Virginie, a conçu et construit la sonde spatiale. Le Centre aérospatial allemand, l'Institut Max Planck pour la recherche sur le système solaire, l'Agence spatiale italienne et l'Institut national d'astrophysique italien sont des partenaires internationaux de l'équipe de mission. Pour une liste complète des participants à la mission Dawn, voir http://dawn.jpl.nasa.gov/mission. Pour plus d'information, voir http://dawn.jpl.nasa.gov. |
| Date | (published 18 November 2016) |
| Source | Catalog page · Full-res (JPEG · TIFF) |
| Author | NASA/JPL-Caltech/UCLA/MPS/DLR/IDA |
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This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA21078. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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This media is a product of the Dawn mission Credit and attribution belongs to the Dawn Framing camera (FC) team, NASA/JPL-Caltech/UCLA/MPS/DLR/IDA |
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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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| current | 00:12, 10 December 2016 | | 1,024 × 1,024 (168 KB) | PlanetUser (talk | contribs) | User created page with UploadWizard |
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