To: djf
The precession of the Earth's pole has a cycle of about 26,000 years. Hipparchus knew about this about 2000 years ago.
87 posted on
07/26/2003 10:46:07 PM PDT by
Doctor Stochastic
(Vegetabilisch = chaotisch is der Charakter der Modernen. - Friedrich Schlegel)
To: Doctor Stochastic
I'll check it in my copy of Flammarion...
88 posted on
07/26/2003 10:54:35 PM PDT by
djf
To: Doctor Stochastic
You're quite right. Flammarion shows that about 2500 years ago, the closest to being a pole star was Alpha Draconis. Interesting, 13,000 years ago, Vega was the pole star!
90 posted on
07/26/2003 11:05:53 PM PDT by
djf
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