This 2nd century astronomer's theories were the standard for 1,400 years
In the planetary theory, the object was to represent the observed 
apparent ... universally accepted standard authority for 1400 yearsin the East 
after the fall... [DOC] [TLE] Saving the Phenomena: The Background to Ptolemy's Planetary ... [PAR] What is the relationship of these observations to the theories that were then 
devised?