Ficheru:Sodium and calcium spectra.jpg
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Sodium_and_calcium_spectra.jpg (616 × 288 píxels, tamañu de ficheru: 55 kB, triba MIME: image/jpeg)
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| Descripción | Sodium and calcium spectra (top: Ca; bottom: Na) -NO. Confirm that top is Ca, but the bottom is by no means sodium! see, e.g. http://astro.u-strasbg.fr/~koppen/discharge/ Sodium has characteristic famous strong yellow doublet, not seen here |
| Data | |
| Fonte | http://imagine.gsfc.nasa.gov/docs/teachers/lessons/xray_spectra/student-worksheet-flame.html |
| Autor | NASA |
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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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| Data/Hora | Miniatura | Dimensiones | Usuariu | Comentariu | |
|---|---|---|---|---|---|
| actual | 13:04 18 feb 2008 | Ensin miniatura | 616 × 288 (55 kB) | wikimediacommons>Itub | {{Information |Description=Sodium and calcium spectra |Source=http://imagine.gsfc.nasa.gov/docs/teachers/lessons/xray_spectra/student-worksheet-flame.html |Date=2008 |Author=NASA |Permission= |other_versions= }} |
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