- House of Ptolemy
Concentrates on the Ptolemies and their world, from 331-30 BCE.
www.houseofptolemy.org
- Claudius Ptolemy
Extensive information on what we know about the geocentric astronomer. Also contains other astronomer links.
www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Ptolemy.html
- Ptolemaic System
Ptolemy presented a complete system of mathematical constructions that accounted successfully for the observed motion of each heavenly body.
galileo.rice.edu/sci/theories/ptolemaic_system.html
- Ptolemy, the Man
Astronomer, mathematician and geographer.
seds.lpl.arizona.edu/nineplanets/psc/theman.html
- Ptolemy of Alexandria
Ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe.
www.acmi.net.au/AIC/PTOLEMY_BIO.html
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