File:Pioneer plaque hydrogen.svg
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Pioneer_plaque_hydrogen.svg (SVG file, nominally 702 × 330 pixels, file size: 5 KB)
[edit] Summary
| Description |
English: Hyperfine transition of neutral hydrogen extracted from the Pioneer plaque (File:Pioneer plaque.svg).
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|---|---|
| Date |
25 February 1972 |
| Source |
Extracted from the Pioneer plaque (File:Pioneer plaque.svg). |
| Author |
NASA; vectors by Mysid |
| Permission (Reusing this file) |
See below. |
[edit] Licensing
 |
This file is in the public domain because it was 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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:12, 21 May 2009 | | 702×330 (5 KB) | Mysid (talk | contribs) | (== Summary == {{Information |Description={{en|1=Hyperfine transition of neutral hydrogen extracted from the Pioneer plaque (File:Pioneer plaque.svg).}} |Source=Extracted from the Pioneer plaque (File:Pioneer plaque.svg). |Author=NASA; vectors by) |
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