In sci.astro.amateur message , Thu, 20
Sep 2012 22:11:43, Davoud posted:


I don't have time to do the searching at the moment, but I have to
think that ancient natural philosophers, whether in Greece or Persia or
China or parts unknown, knew the extent of the Earth's axial tilt.

http://en.wikipedia.org/wiki/Earth%27s_Axis#History.

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