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← HistoryWhich limitation occurred when astronomers transitioned from Ptolemaic to heliocentric models?
A)Elliptical orbit calculations complexities arise✓
B)Stars show measurable annual parallax
C)Planet retrograde motion is unexplained
D)Lunar phases are impossible to predict
💡 Explanation
Heliocentric models required accurate modeling of non-circular orbits. Introducing elliptical orbits meant that epicycle calculations, a form of harmonic analysis, needed reformulation with complex mathematics; therefore, orbital calculations became complex rather than employing purely circular approximations.
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