File:PPlaqueA.png

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PPlaqueA.png(400 × 174 pixels, file size: 3 KB, MIME type: image/png)

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Description Detail of hyperfine transition of neutral hydrogen from the Pioneer Plaques.
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Public domain 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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Date/TimeThumbnailDimensionsUserComment
current18:57, 31 January 2007Thumbnail for version as of 18:57, 31 January 2007400 × 174 (3 KB)MickOhrberg (talk | contribs){{Information |Description=Detail of hyperfine transition of neutral hydrogen from the Pioneer Plaques. |Source= |Date= |Author= |Permission= |other_versions= }}

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