1300 years later...
Nikolas Kopernik (Copernicus) reinvents the heliocentric model.
- Still retains “perfect” circular motion.
- Still requires epicycles to make good preditions
- (Actually needs more epicycles than Ptolemy’s model and is a little less accurate).
- It the first heliocentric model good enough to use.
- Doesn’t publish until after he’s dead.
- Publisher’s Preface: “It’s only a model, not reality”
It does get noticed in Italy