Right Ascension and Declination - Sixty Symbols
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by Super User, 9 years ago
About the book on his shelf... http://periodicvideos.blogspot.com/2011/02/atlas-of-creation.html
More symbols at http://www.sixtysymbols.com/
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Super User uploaded a new media, Right Ascension and Declination - Sixty Symbols
9 years ago