Ficheiro:Phobos_colour_2008.jpg
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Descrição do ficheiro
DescriçãoPhobos colour 2008.jpg |
العربية: صورة ملونة للقمر فوبوس أحد أقمار المريخ، التقطت في 23 مارس 2008 بواسطة مارس ريكونيسانس أوربيتر.
English: Color image of Phobos, imaged by the Mars Reconnaissance Orbiter on 23 March 2008.
The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter took two images of the larger of Mars' two moons, Phobos, within 10 minutes of each other on 23 March 2008. This is the first, taken from a distance of about 6,800 kilometers (about 4,200 miles). It is presented in color by combining data from the camera's blue-green, red, and near-infrared channels. The illuminated part of Phobos seen in the images is about 21 kilometers (13 miles) across. The most prominent feature in the images is the large crater Stickney in the lower right. With a diameter of 9 kilometers (5.6 miles), it is the largest feature on Phobos. The color data accentuate details not apparent in black-and-white images. For example, materials near the rim of Stickney appear bluer than the rest of Phobos. Based on analogy with materials on our own moon, this could mean this surface is fresher, and therefore younger, than other parts of Phobos. A series of troughs and crater chains is obvious on other parts of the moon. Although many appear radial to Stickney in this image, recent studies from the European Space Agency's Mars Express orbiter indicate that they are not related to Stickney. Instead, they may have formed when material ejected from impacts on Mars later collided with Phobos. The lineated textures on the walls of Stickney and other large craters are landslides formed from materials falling into the crater interiors in the weak Phobos gravity (less than one one-thousandth of the gravity on Earth). In the full-resolution version of this image, a pixel encompasses 6.8 meters (22 feet), providing a resolution (smallest visible feature) of about 20 meters (about 65 feet). The image is in the HiRISE catalog as PSP_007769_9010. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, is the prime contractor for the project and built the spacecraft. The High Resolution Imaging Science Experiment is operated by the University of Arizona, Tucson, and the instrument was built by Ball Aerospace & Technologies Corp., Boulder, Colo.Polski: Kolorowa fotografia Fobosa, księżyca Marsa, wykonana przez sondę Mars Reconnaissance Orbiter w dniu 23 marca 2008 roku.
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Origem | http://photojournal.jpl.nasa.gov/catalog/PIA10368 | ||||||
Autor | NASA / JPL-Caltech / University of Arizona | ||||||
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Local InfoField | http://www.nasa.gov/mission_pages/MRO/multimedia/pia10368.html |
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Avaliação
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Esta imagem foi escolhida como imagem do dia na wiki Wikimedia Commons para 31 de julho de 2019. Teve a seguinte legenda: Português: Imagem colorida de Fobos fotografado pela Mars Reconnaissance Orbiter em 23 de março de 2008. Outros idiomas:
Čeština: Uměle dobarvovaná fotografie marsova měsíce Phobos pořízená sondou Mars Reconnaissance Orbiter dne 23. března 2008. Español: Imagen en color de Fobos producida por el Mars Reconnaissance Orbiter el 23 de marzo de 2008. Magyar: Színes felvétel a Phoboszról, melyet a Mars Reconnaissance Orbiter készített 2008. március 28-án Polski: Kolorowa fotografia Fobosa, księżyca Marsa, wykonana przez sondę Mars Reconnaissance Orbiter w dniu 23 marca 2008 roku. Português: Imagem colorida de Fobos fotografado pela Mars Reconnaissance Orbiter em 23 de março de 2008. Македонски: Поглед на Фобос — една од двете месечини на Марс. |
Original caption
The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter took two images of the larger of Mars' two moons, Phobos, within 10 minutes of each other on March 23, 2008. This is the first, taken from a distance of about 6,800 kilometers (about 4,200 miles). It is presented in color by combining data from the camera's blue-green, red, and near-infrared channels.
The illuminated part of Phobos seen in the images is about 21 kilometers (13 miles) across. The most prominent feature in the images is the large crater Stickney in the lower right. With a diameter of 9 kilometers (5.6 miles), it is the largest feature on Phobos.
The color data accentuate details not apparent in black-and-white images. For example, materials near the rim of Stickney appear bluer than the rest of Phobos. Based on analogy with materials on our own moon, this could mean this surface is fresher, and therefore younger, than other parts of Phobos.
A series of troughs and crater chains is obvious on other parts of the moon. Although many appear radial to Stickney in this image, recent studies from the European Space Agency's Mars Express orbiter indicate that they are not related to Stickney. Instead, they may have formed when material ejected from impacts on Mars later collided with Phobos. The lineated textures on the walls of Stickney and other large craters are landslides formed from materials falling into the crater interiors in the weak Phobos gravity (less than one one-thousandth of the gravity on Earth).
In the full-resolution version of this image, a pixel encompasses 6.8 meters (22 feet), providing a resolution (smallest visible feature) of about 20 meters (about 65 feet). The image is in the HiRISE catalog as PSP_007769_9010.
NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, is the prime contractor for the project and built the spacecraft. The High Resolution Imaging Science Experiment is operated by the University of Arizona, Tucson, and the instrument was built by Ball Aerospace & Technologies Corp., Boulder.
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23 março 2008
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Data e hora | Miniatura | Dimensões | Utilizador | Comentário | |
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atual | 03h10min de 2 de abril de 2018 | 3 500 × 3 300 (2,72 MB) | Kaldari | more margin on right side | |
04h47min de 13 de novembro de 2008 | 3 374 × 3 300 (2,7 MB) | Fir0002 | == Summary == {{Information |Description=Colour image of Phobos, imaged by the Mars Reconnaisance Orbiter in 2008 |Source=NASA |Date=9 April 2008 |Location=http://www.nasa.gov/mission_pages/MRO/multimedia/pia10368.html |Author=NASA/J |
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Metadados
Este ficheiro contém informação adicional, provavelmente adicionada a partir da câmara digital ou scanner utilizada para criar ou digitalizar a imagem. Caso o ficheiro tenha sido modificado a partir do seu estado original, alguns detalhes poderão não refletir completamente as mudanças efetuadas.
Largura | 3 374 px |
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Altura | 3 300 px |
Bits por componente |
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Composição do píxel | RGB |
Orientação | Normal |
Número de componentes | 3 |
Resolução horizontal | 71,9836 ppp |
Resolução vertical | 71,9836 ppp |
Software utilizado | Adobe Photoshop CS5 Macintosh |
Data e hora de modificação do ficheiro | 20h08min de 1 de abril de 2018 |
Versão Exif | 2.21 |
Espaço de cores | sRGB |
Data e hora de digitalização | 02h32min de 14 de novembro de 2008 |
Data da última modificação dos metadados | 13h08min de 1 de abril de 2018 |
Identificação exclusiva do documento original | uuid:E79DDCD338B1DD11A6ECD1D1E67B2461 |
Estado dos direitos de autor: | Estado dos direitos de autor indefinido |