- 
  
  
- 
  
  There he questioned what he was being taught by his professors and started to study astrology on the side.
- 
  
  
- 
  
  This introduces his heliocentric view
- 
  
  Copernicus waits until 1541 to publish until he was supported by his mathematician friend, Georg Rheticus.
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
- 
  
  
-