File:PSM V57 D515 Spectrum of cassiopeiae.png

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English: Spectrum of Cassiopeiae
Date
Source Popular Science Monthly Volume 57
Author Unknown authorUnknown author

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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current05:50, 12 July 2011Thumbnail for version as of 05:50, 12 July 20112,024 × 276 (130 KB)Ineuw (talk | contribs)

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