File:Mountainous Shoreline of Sputnik Planum (PIA20198).png
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![File:Mountainous Shoreline of Sputnik Planum (PIA20198).png](https://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Mountainous_Shoreline_of_Sputnik_Planum_%28PIA20198%29.png/555px-Mountainous_Shoreline_of_Sputnik_Planum_%28PIA20198%29.png?20151205170245)
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[编辑]描述Mountainous Shoreline of Sputnik Planum (PIA20198).png |
Українська: Один із найдетальніших знімків Плутона, зроблених апаратом New Horizons. Отриманий 14 липня 2015 (за 15 хвилин до максимального зближення) з відстані 17 тисяч км. Видно край рівнини Sputnik Planum та гори, що її оточують. Гори складаються здебільшого з водяного льоду, а поверхня рівнини — з азотного. Ширина знімка — біля 80 км. English: Original description: In this highest-resolution image from NASA's New Horizons spacecraft, great blocks of Pluto's water-ice crust appear jammed together in the informally named al-Idrisi mountains. Some mountain sides appear coated in dark material, while other sides are bright. Several sheer faces appear to show crustal layering, perhaps related to the layers seen in some of Pluto's crater walls. Other materials appear crushed between the mountains, as if these great blocks of water ice, some standing as much as 1.5 miles high, were jostled back and forth. The mountains end abruptly at the shoreline of the informally named Sputnik Planum, where the soft, nitrogen-rich ices of the plain form a nearly level surface, broken only by the fine trace work of striking, cellular boundaries and the textured surface of the plain's ices (which is possibly related to sunlight-driven ice sublimation). This view is about 50 miles wide. The top of the image is to Pluto's northwest.
These images were made with the telescopic Long Range Reconnaissance Imager (LORRI) aboard New Horizons, in a timespan of about a minute centered on 11:36 UT on July 14 -- just about 15 minutes before New Horizons' closest approach to Pluto -- from a range of just 10,000 miles (17,000 kilometers). They were obtained with an unusual observing mode; instead of working in the usual "point and shoot," LORRI snapped pictures every three seconds while the Ralph/Multispectral Visual Imaging Camera (MVIC) aboard New Horizons was scanning the surface. This mode requires unusually short exposures to avoid blurring the images. |
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来源 | http://photojournal.jpl.nasa.gov/catalog/PIA20198 (brightness of the original image was somewhat increased) |
作者 | NASA |
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[编辑]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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