File:Rings_of_Neptune_PIA01997.png
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Rings_of_Neptune_PIA01997.png (700 × 512像素,文件大小:128 KB,MIME类型:image/png)
Credit: NASA/JPL
描述Rings of Neptune PIA01997.png |
English: two 591-second exposures of the rings of Neptune were taken with the clear filter by the Voyager 2 wide-angle camera on Aug. 26, 1989 from a distance of 280,000 kilometers (175,000 miles). This PNG was converted from NASA's original TIFF with IrfanView, and differs from NASA's JPG version at File:Rings of Neptune PIA01997.jpg.
ImageMagick's report on difference between NASA's TIFF and NASA's JPG shows distortion:
ImageMagick's report on difference between NASA's TIFF and derived PNG shows no distortion:
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日期 | |
来源 | [1] from Catalog Page for PIA01997, converted to PNG with IrfanView |
作者 | Voyager 2, NASA/JPL |
其他版本 |
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Public domainPublic domainfalsefalse |
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本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zh、NASA版权方针页面或JPL图片使用方针。) | ![]() |
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26 8 1989
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当前 | 2009年8月22日 (六) 19:47 | ![]() | 700 × 512(128 KB) | 84user | {{Information |Description= {{en|1=two 591-second exposures of the rings of Neptune were taken with the clear filter by the Voyager 2 wide-angle camera on Aug. 26, 1989 from a distance of 280,000 kilometers (175,000 miles). }} |Source=[http://photojou |
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