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To: TheOldLady
That's half true: the earth moves around the sun, but the sun is also in motion.

An ancient Greek scientist, Aristarchus of Samos (3rd century B.C.), is known to have proposed the heliocentric theory ("the fixed stars and sun remained unmoved...the earth revolves around the sun on the circumference of a circle, the sun lying in the middle of the orbit"), and also assumed that the earth rotates on its own axis.

Ironically, Aristarchus' only surviving work is based on the geocentric theory.

Copernicus was aware of Aristarchus.

4 posted on 09/03/2011 4:46:52 PM PDT by Verginius Rufus
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To: Verginius Rufus

You’re kidding.


5 posted on 09/03/2011 6:30:12 PM PDT by TheOldLady (FReepmail me to get ON or OFF the ZOT LIGHTNING ping list.)
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