File:Io Aurorae color.jpg
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Io_Aurorae_color.jpg (374 × 350像素,文件大小:143 KB,MIME类型:image/jpeg)
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[编辑]描述Io Aurorae color.jpg |
English: This eerie view of Jupiter's moon Io in eclipse (left) was acquired by NASA's Galileo spacecraft while the moon was in Jupiter's shadow. Gases above the satellite's surface produced a ghostly glow that could be seen at visible wavelengths (red, green, and violet). The vivid colors, caused by collisions between Io's atmospheric gases and energetic charged particles trapped in Jupiter's magnetic field, had not previously been observed. The green and red emissions are probably produced by mechanisms similar to those in Earth's polar regions that produce the aurora, or northern and southern lights. Bright blue glows mark the sites of dense plumes of volcanic vapor, and may be places where Io is electrically connected to Jupiter. North is to the top of the picture, and Jupiter is towards the right. The resolution is 13.5 kilometers (8 miles) per picture element. The images were taken on May 31, 1998 at a range of 1.3 million kilometers (800,000 miles) by Galileo's onboard solid state imaging camera system during the spacecraft's 15th orbit of Jupiter. |
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来源 | Adapted from http://photojournal.jpl.nasa.gov/catalog/PIA01637 |
作者 | NASA/JPL/University of Arizona |
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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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[编辑]The original description page was here. All following user names refer to en.wikipedia.
- 2007-05-25 20:23 Volcanopele 374×350× (88498 bytes) Adapted from NASA image release [http://photojournal.jpl.nasa.gov/catalog/PIA01637 PIA01637] Original caption: This eerie view of Jupiter's moon Io in eclipse (left) was acquired by NASA's Galileo spacecraft while the moon was in Jupiter's shadow. Gases
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当前 | 2014年3月6日 (四) 23:00 | ![]() | 374 × 350(143 KB) | Scanmap(留言 | 贡献) | reencoded from lossless source without black border line, more pixels and in better quality |
2009年4月21日 (二) 00:21 | ![]() | 374 × 350(86 KB) | Yned(留言 | 贡献) | {{Information |Description={{en|Adapted from NASA image release [http://photojournal.jpl.nasa.gov/catalog/PIA01637 PIA01637] Original caption: This eerie view of Jupiter's moon Io in eclipse (left) was acquired by NASA's Galileo spacecraft while the moo |
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