File:Artist's illustration of scenario for plasma ejections from V Hydrae.jpg
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摘要
描述Artist's illustration of scenario for plasma ejections from V Hydrae.jpg |
English: This four-panel graphic illustrates how the binary-star system V Hydrae is launching balls of plasma into space. Panel 1 shows the two stars orbiting each other. One of the stars is nearing the end of its life and has swelled in size, becoming a red giant. In panel 2, the smaller star's orbit carries the star into the red giant's expanded atmosphere. As the star moves through the atmosphere, it gobbles up material from the red giant, which settles into a disk around the star. The buildup of material reaches a tipping point and is eventually ejected as blobs of hot plasma along the star's spin axis, shown in panel 3. This ejection process is repeated every eight years, the time it takes for the orbiting star to make another pass through the bloated red giant's envelope, shown in panel 4. Link: NASA Press release |
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来源 | https://esahubble.org/images/opo1634a/ |
作者 | NASA, ESA, and A. Feild |
许可协议
ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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11 10 2016
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提供者 | NASA, ESA, and A. Feild (STScI) |
来源 | ESA/Hubble |
简短标题 |
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使用条款 |
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数据生成日期时间 | 2016年10月11日 (二) 16:53 |
关键词 | V Hydrae |
联系信息 |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM版本 | 4 |