Hopefully not off topic
"Szczepan Bialek" wrote in message
...
"Ptolemy chose the earth centric model" means that all measurements must
be done from the Earth.
All astronomers before Ptolemy (and he) known that the planets orbit the
Sun.
S*
Oops - no. Ptolemy's earth centric model meant that the sun and other
planets orbited the sun.
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