NCT 
Copernicus revolution
Reception of Copernicus’s theory and the importance of the discovery
Post Copernican cosmological concepts
Kepler’s model
Copernicus revolution
Reception of Copernicus’s theory and the importance of the discovery
Post Copernican cosmological concepts
Kepler’s model The orbit of Mars according to Kepler
A figure from Kepler's work Astronomia nova. Mars’s orbit (a dotted line at the top left, near H) is not a circle (solid line), but an ellipse.
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