From: ldo@nz.invalid   
      
   On Sat, 10 Jan 2026 08:59:05 -0800, Paul S Person wrote:   
      
   > IIRC from my reading it quite a while back, [Copernicus] presented   
   > it more as a demonstration that a heliocentric system would be   
   > simpler than Pt[e]lomy.   
      
   The problem is, he still insisted that the planets moved in perfect   
   circles around the Sun. So it’s hard to see how the calculations could   
   in fact have been any simpler or more accurate.   
      
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