Image:SOHO EIT ultraviolet corona image.gif
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An image taken by the Solar and Heliospheric Observatory (SOHO) spacecraft's EIT instrument showing the corona in deep UV at 17.1 nm. The UV wavelength corresponds to resonance lines of eight and nine times ionized iron (Fe IX/X) which is churning in the hot coronal plasma at about 1 million kelvin.
SOHO Copyright Notice: The use of SOHO images or data for public education efforts and non-commercial purposes is strongly encouraged and requires no expressed authorization. It is requested, however, that any such use properly attributes the source of the images or data as: "Courtesy of SOHO/[instrument] consortium. SOHO is a project of international cooperation between ESA and NASA." Where [instrument] stands for the name of the instrument that acquired the data (i.e. SOHO/EIT, SOHO/LASCO, etc).
| Aside from the claim that this image qualifies for use without permission under fair use, this image is also available under a license that permits unlimited redistribution and modification but restricts commercial use. Images licensed under such terms do not meet the definition of Free Cultural Works as adopted by the Wikimedia Foundation, and are therefore considered non-free on Wikipedia. This tag must only be used in conjunction with a non-free image tag and a valid fair use rationale. |
This work is copyrighted and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content#Images or Wikipedia:Non-free content#Audio clips. However, it is believed that the use of this work in the article "ultraviolet" :
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights. |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 23:42, 11 August 2004 | 1,024×1,024 (809 KB) | Deglr6328 (Talk | contribs) | (An image taken by the Solar and Heliospheric Observatory (SOHO) spacecraft's EIT instrument showing the corona in deep UV at 17.1 nm {{PD-USGov}}) |
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