File:PIA19048 realistic color Europa mosaic (original).jpg
原始文件 (2,300 × 1,700像素,文件大小:2.59 MB,MIME类型:image/jpeg)
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[编辑]描述PIA19048 realistic color Europa mosaic (original).jpg |
English: Original caption released with image: The puzzling, fascinating surface of Jupiter's icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA's Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the largest portion of the moon's surface at the highest resolution. The view was previously released as a mosaic with lower resolution and strongly enhanced color (see PIA02590). To create this new version, the images were assembled into a realistic color view of the surface that approximates how Europa would appear to the human eye. The scene shows the stunning diversity of Europa's surface geology. Long, linear cracks and ridges crisscross the surface, interrupted by regions of disrupted terrain where the surface ice crust has been broken up and re-frozen into new patterns. Color variations across the surface are associated with differences in geologic feature type and location. For example, areas that appear blue or white contain relatively pure water ice, while reddish and brownish areas include non-ice components in higher concentrations. The polar regions, visible at the left and right of this view, are noticeably bluer than the more equatorial latitudes, which look more white. This color variation is thought to be due to differences in ice grain size in the two locations. Images taken through near-infrared, green and violet filters have been combined to produce this view. The images have been corrected for light scattered outside of the image, to provide a color correction that is calibrated by wavelength. Gaps in the images have been filled with simulated color based on the color of nearby surface areas with similar terrain types. This global color view consists of images acquired by the Galileo Solid-State Imaging (SSI) experiment on the spacecraft's first and fourteenth orbits through the Jupiter system, in 1995 and 1998, respectively. Image scale is 2 miles (1.6 kilometers) per pixel. North on Europa is at right. The Galileo mission was managed by NASA's Jet Propulsion Laboratory in Pasadena, California, for the agency's Science Mission Directorate in Washington. JPL is a division of the California Institute of Technology, Pasadena. Additional information about Galileo and its discoveries is available on the Galileo mission home page at http://solarsystem.nasa.gov/galileo/. More information about Europa is available at http://solarsystem.nasa.gov/europa. |
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来源 |
http://photojournal.jpl.nasa.gov/catalog/PIA19048 Also described here: http://www.jpl.nasa.gov/news/news.php?release=2014-406 |
作者 | NASA / Jet Propulsion Lab-Caltech / SETI Institute |
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[编辑]Public domainPublic domainfalsefalse |
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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当前 | 2018年11月13日 (二) 13:07 | 2,300 × 1,700(2.59 MB) | MER-C(留言 | 贡献) | User created page with UploadWizard |
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图像标题 |
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宽度 | 2,300 px |
高度 | 1,700 px |
每色彩组分位数 |
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压缩方案 | 未压缩 |
像素构成 | RGB |
方向 | 正常 |
色彩组分数 | 3 |
水平分辨率 | 72 dpi |
垂直分辨率 | 72 dpi |
数据排布 | 大块格式 |
使用软件 | Adobe Photoshop Elements 15.0 (Windows) |
文件修改日期时间 | 2017年9月10日 (日) 16:32 |
色彩空间 | sRGB |
数字化日期时间 | 2017年9月10日 (日) 09:31 |
元数据最后修改日期 | 2017年9月10日 (日) 09:32 |
原始文件唯一ID | xmp.did:35c42d85-225d-ad4c-b4bd-da6940fb05ce |
IIM版本 | 20,480 |