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DescriçãoColor Near Herschel Crater.jpg
English: Subtle colour differences on Saturn's moon Mimas are apparent in this false-colour view of Herschel Crater captured by NASA's Cassini spacecraft during its closest-ever flyby of that moon. The image shows terrain-dependent colour variations, particularly the contrast between the bluish materials in and around Herschel Crater (130 kilometres wide) and the greenish cast on older, more heavily cratered terrain elsewhere. The origin of the colour differences is not yet understood, but may be caused by subtle differences in the surface composition between the two terrains. Herschel Crater covers most of the bottom of this image.
To create this false-colour view, ultraviolet, green and infrared images were combined into a single picture that exaggerates the color differences of terrain on the moon. These data were combined with a high-resolution image taken in visible light to provide the high-resolution information from the clear-filter image and the color information from the ultraviolet, green and infrared filter images.
The natural color of Mimas visible to the human eye may be a uniform gray or yellow color, but this mosaic has been contrast-enhanced and shows differences at other wavelengths of light. During its closest-ever flyby on Feb. 13, 2010, Cassini came within about 9,500 kilometres of Mimas. This view looks toward the northern part of the hemisphere of Mimas that leads in the moon's orbit around Saturn. Mimas is 396 kilometres across. North on Mimas is up and rotated 12 degrees to the left. The images were obtained with Cassini's narrow-angle camera on that day at a distance of approximately 16,000 kilometres from Mimas. The images were re-projected into an orthographic map projection. A black and white image, taken in visible light with the wide-angle camera, is used to fill in parts of the mosaic. Image scale is 90 meters per pixel.
O uso de logótipos, insígnias e emblemas da NASA está sujeito a restrições pela lei 14 CFR 1221 dos EUA.
A página da NASA aloja um grande número de imagens da Agência Espacial Soviética / Russa e de outras agências espaciais estrangeiras. Estas não estão necessariamente no domínio público.
O projeto conjunto SOHO (ESA e NASA) implica que todos os materiais criados pela sonda têm os direitos de autor protegidos e requerem autorização unicamente para uso comercial com fins não educativos. [2]
As imagens destacadas no site Imagem Astronómica do Dia (Astronomy Picture of the Day, APOD) podem ter os direitos de autor protegidos. [3]
{{Information |Description={{en|1=Subtle colour differences on Saturn's moon Mimas are apparent in this false-colour view of Herschel Crater captured by NASA's Cassini spacecraft during its closest-ever flyby of that moon. The image shows terrain
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