This 2nd century astronomer's theories were the standard for 1,400 years
He was not, however, describing a scientifically verifiable theory 
of the... [DOC] [TLE] History of physics - Wikipedia [PAR] Physics is the fundamental branch of science that developed out of the study of 
nature and ... Leucippus and his student Democritus were the first to develop the 
theory of .... to the Greek-Egyptian astronomer Ptolemy (2nd century CE; see 
above), ... at the center of the Universe and had been accepted for over 1,400 
years.