Grafika:Saturn's rings in visible light and radio.jpg

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This image was selected as a picture of the day for March 21, 2008. It was captioned as followed:

English: Saturn's rings in visible light and radio

Afrikaans: Die ringe van Saturnus soos gesien deur die Cassini-Huygens ruimtetuig: bo met sigbare lig en onder met behulp van radio-aftasting

Asturianu: Imaxe obtenía pola sonda Cassini-Huygens de los aniellos del planeta Saturnu. La metada superior representa una imaxe de la lluz visible. La metada inferior correspuende a una imaxe de les ondes de radio.

Беларуская: Кольцы Сатурна, здымак КА "Касіні-Гюйгенс" (верх — у бачным спектры, ніз — у радыёспектры).

Česky: Saturnovy prstence ve viditelné a radiové oblasti spektra

Dansk: Saturns ringe, set i synligt lys og i radiobølge-området.

Deutsch: Die Ringe des Saturn in sichtbarem Licht und im Radio-Bereich

English: Saturn's rings in visible light and radio

Español: Imagen obtenida por la sonda Cassini-Huygens de los anillos del planeta Saturno. La mitad superior representa una imagen de la luz visible. La mitad inferior es una imagen de las ondas de radio.

Euskara: Saturnoko eraztunen argazkia, Cassiny-Huygens espazio-ontziak ateratakoa. Goiko zatian argi ikusgaiean adierazita daude eta behean irrati-uhinetan.

Français : Photo composée des anneaux de Saturne prise par la sonde Cassini, en lumière visible (en haut) et construite à partir d'une source radio (en bas).

Galego: Os aneis de Saturno en luz visíbel e radio

Magyar: A Szaturnusz gyűrűi, felül a látható-, alul a rádióspektrumban

Íslenska: Hringir Satúrnusar á ljósmynd og litrófsmynd.

Italiano: Anelli di Saturno osservati nella luce visibile (sopra) e con onde radio (sotto).

한국어: 가시광선과 라디오파로 본 토성의 고리.

Nederlands: De ringen van Saturnus door het oog van de Cassini-Huygens: boven met zichtbaar licht en beneden met behulp van radio-occultatie

Polski: Porównanie wyglądu pierścieni Saturna w zakresie światła widzialnego i fal radiowych.

Português: Imagem obtida pela sonda Cassini-Huygens dos anéis do planeta Saturno. A metade superior representa uma imagem da luz visível. A metade inferior é a uma imagem das ondas de rádio.

Русский: Кольца Сатурна в видимом свете и в диапазоне радиоволн.

Српски / Srpski: Сатурнови прстенови виђени светлосним и радио-телескопом.

Svenska: Saturnus ringar avbildade dels med synligt ljus (övre bildhalvan) och dels med radiostrålning (undre bildhalvan).

‪中文(简体)‬: 土星光环

‪中文(繁體)‬: 在可見光（上方）和無線電波（下方）下的土星光環結構

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Description	English: Cassini instruments provide complementary information about the structure of Saturn's rings. Narrow and wide angle cameras provide images in the visible region of the electromagnetic spectrum much like a digital camera does. The images have information about how the ring structure differs both with distance from the planet and with position around the equatorial circle. However, resolution is usually limited to few kilometers at best. Radio and stellar occultations of the rings also provide important information about ring structure, but only along a one-dimensional track through the rings. The radial resolution can be as fine as 50 meters (164 feet). An "image" is then constructed by assuming circular symmetry over the ring region of interest. Color is usually added to encode other information related to the observed structure. This image compares structure of Saturn's rings observed by these two approaches. The upper half is a natural color mosaic of images by the Cassini narrow-angle camera (see PIA06175). The bottom simulated images is constructed from a radio occultation observation conducted on May 3, 2005. Color in the lower image is used to represent information about ring particle sizes. For another view created using this process (see PIA07872). The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The radio science team is based at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo. For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov. For more information on the radio science team visit http://saturn.jpl.nasa.gov/spacecraft/instruments-cassini-rss.cfm. The imaging team homepage is at http://ciclops.org. Français : Les instruments de la sonde Cassini fournissent des information différentes et complémentaires sur la structure des anneaux de Saturne. Les appareils photo à grand angle et à longue focale font des photos d'une façon très comparable à celle d'un appareil numérique. Ces images permettent de voir la structure des anneaux à la fois en fonction de la distance à la planète et le long du plan équatorial. Cependant la résolution est limitée à quelques kilomètres. Les ondes radio et les occultations stellaires permettent d'obtenir une bien meilleure résolution (50 mètres), mais uniquement dans le sens radial. Une image est reconstruite en supposant que les anneaux ont une symétrie radiale dans la zone considérée. De la couleur est souvent ajoutée pour donner d'autres informations sur la structure observée. Cette image compare la structure des anneaux de Saturne observée avec ces deux méthodes différentes. L'image du haut est une image en vraies couleurs obtenues avec la caméra à longue focale. L'image du bas a été construite après l'observation d'une occultation d'une source radio par les anneaux de la planète réalisée le 3 Mai 2005. La couleur sur l'image du bas donne des informations sur la taille des particules constituant les anneaux. La mission Cassini-Huygens est une mission conjointe de la NASA, de l'ESA et de l'ISA. L'orbiteur Cassini et ses caméras ont été conçus et construit au JPL à Passadena, en Californie. Le centre de traitement des images est à Boulder, au Colorado (États-Unis). 中文: 土星光环
Source	http://photojournal.jpl.nasa.gov/catalog/PIA07874
Date	2007-10-20
Author	NASA/JPL/Space Science Institute
Permission (Reusing this image)	see below

This image or video was catalogued by Jet Propulsion Lab of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA07874.
This tag does not indicate the copyright status or the source of the attached work. A normal copyright tag and a source are still required. See Commons:Licensing for more information.

[edit] Licensing

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