File:PIA00150 Nova Superposed on Yavine Corona.jpg

PIA00150_Nova_Superposed_on_Yavine_Corona.jpg (576 × 400像素,文件大小:61 KB,MIME类型:image/jpeg


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描述
English: The view shows a 100-km-wide nova superposed on Yavine Corona, a 500-km-wide asymmetric feature at latitude 5 degrees S., longitude 248.5 degrees; looking northeast. Coronae are roughly circular, volcanic features believed to form over hot upwellings of magma within the Venusian mantle. Yavine corona contains 2 novae; nova are circular hills with star-shaped fractures. The view is a close-up of the southern nova showing its fractures to be grabens or fault bound depressions. Novae may represent an intermediate stage in coronae formation. This is a three-dimensional perspective view of Venusian Terrains composed of reduced resolution left-looking synthetic-aperture radar images merged with altimetry data from the Magellan spacecraft.
日期
来源 http://photojournal.jpl.nasa.gov/jpeg/PIA00150.jpg
作者 NASA/JPL/USGS

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Public domain 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/zhNASA版权方针页面JPL图片使用方针。)
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