What was the major contribution of Ptolemy?

Related questions

1. What was Ptolemy's theory?
2. What is Ptolemy known for?
3. How is Ptolemy?
4. Why was Ptolemy's theory important?
5. What happened to the son of Cleopatra and Caesar?
6. What was wrong with Ptolemy's model?
7. What did Ptolemy accomplish?
8. Who proved Ptolemy wrong?
9. How did Ptolemy prove his theory?
10. What are the 4 models of the universe?

Tags

1. #heliocentric
2. #gives
3. #superseded
4. #planets
5. #copernicus
6. #century
7. #detail
8. #original
9. #presenting
10. #ptolemy
11. #details
12. #motions
13. #theory
14. #theories
15. #mathematical
16. #presented
17. #until
18. #after
19. #contribution