File:MESSENGER - GRS - GRNS.jpg
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MESSENGER_-_GRS_-_GRNS.jpg (200 × 205 pixels, file size: 26 KB, MIME type: image/jpeg)
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[edit]DescriptionMESSENGER - GRS - GRNS.jpg |
English: "GRS measures gamma rays emitted by the nuclei of atoms on Mercury’s surface that are struck by cosmic rays. Each element has a signature emission, and the instrument will look for geologically important elements such as hydrogen, magnesium, silicon, oxygen, iron, titanium, sodium, and calcium. It may also detect naturally radioactive elements such as potassium, thorium, and uranium. " |
Source | http://messenger.jhuapl.edu/instruments/GRNS.html |
Author | NASA / JHU/APL |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ![]() |
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current | 22:34, 25 January 2011 | ![]() | 200 × 205 (26 KB) | Xession (talk | contribs) | {{Information |Description ={{en|1="GRS measures gamma rays emitted by the nuclei of atoms on Mercury’s surface that are struck by cosmic rays. Each element has a signature emission, and the instrument will look for geologically important elements su |
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