Did Copernicus draw on earlier Arab astronomy

[Imperial Dave]

https://www.medievalists.net/2025/05/copernicusmedieval-arab-astronomer/?utm_source=gravitec&utm_medium=push&utm_campaign=Push%20Notification

Almost certainly...

[Nick Harbud]

...but not Aristarchus of Samos, who developed a similar model some 18 centuries earlier.

Incidentally, Copernicus derived Gresham's Law, but gave its name to the latter as a birthday present.  Vey generous of him really.

 

[Imperial Dave]

 

[Jim Webster]

Nice to know the 'your ancestors plagiarised my ancestors' debates are still going on.
I'm waiting for the Babylonians to step in and point out that they did all the ground work 

[Imperial Dave]