Kepler's model was mathematically distinct from Copernicus's primarily due to the use of what geometry?

Answer

Elliptical geometry

While Kepler adhered to the Copernican concept (heliocentric), his use of ellipses rather than circles provided the mathematical rigor Copernicus’s model lacked.

Kepler's model was mathematically distinct from Copernicus's primarily due to the use of what geometry?
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