Ptolemaic system
topicAstronomy
period150 AD-1543
infoPtolemaic system, Ptolemaic astronomy, geocentric systems, geocentric models, geocentrism, astronomy, astronomers
peopleAristotle, Claudius Ptolemy
websitegalileo.rice.edu
local advertisementsSouthern Cross
35 degrees south latitude, celestial poles, crucis, Roscrucians
earthsky.org