'This 2nd century astronomer's theories were the standard for 1,400 years'
Ptolemy
ASTRONOMERS: This 2nd century astronomers theories were the standard for 1,400 years
This 2nd century astronomer's theories were the standard for 1,400 years
This 2nd century astronomer's theories were the standard for 1,400 years
ASTRONOMERS
Ptolemy
ASTRONOMERS