Datei:Moon's shadow in muons.gif
Moon's_shadow_in_muons.gif (367 × 273 Pixel, Dateigröße: 17 KB, MIME-Typ: image/gif)
 | This work is copyrighted (or assumed to be 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, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
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. |
| This work is copyrighted (or assumed to be 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, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
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. |
| Description |
An image of the shadow of the Moon in muons as produced by the 700m subterranean Soudan 2 detector in the Soudan Mine in Minnesota. The shadow is the result of approximately 120 muons missing from a total of 33 million detected in Soudan 2 over its 10 years of operation. The cross denotes the actual location of the Moon. The shadow of the Moon is slightly offset from this location because cosmic rays are electrically charged particles and were slightly deflected by the Earth's magnetic field on their journey to the upper atmosphere. The shadow is produced due to the shielding effect the Moon has on galactic and cosmic rays, which stream in from all directions. The cosmic rays normally strike atoms high in the upper atmosphere, producing showers of muons and other short lived particles. |
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| Source | |
| Portion used |
All - the image is purely constructed from scientific data, contains no trademarked or copyrighted logos, and is freely shared information. |
| Low resolution? |
No, details hardly visible at low resolution. |
| Article | |
|---|---|
| Purpose of use |
To illustrate muons, their detection and effect, since no picture can be obtained of a muon itself. |
| Replaceable? |
Data takes many years to gather with sophisticated technology (Soudan 2). |
| Article | |
|---|---|
| Purpose of use |
To illustrate muons produced by cosmic rays, their detection and effect. |
| Replaceable? |
Data takes many years to gather with sophisticated technology (Soudan 2). |
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| aktuell | 00:55, 13. Feb. 2017 | | 367 × 273 (17 KB) | enwikipedia>Diannaa | reduce size to comply with Wikipedia's non-free content policy |
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