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PUBLIC MARKS with tags Ptolemy & planets

20 March 2007 19:00

HIstory of the Planets in the Solar System

by northerndwarf
A history of how the Solar System developed in to what it is today.

PUBLIC TAGS related to tag Ptolemy

Almagest +   chords +   Hipparchus +   mathematics +   second century +   Syntaxis mathematica +  

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last mark : 20/03/2007 19:01