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← HistoryWithin Ptolemaic astronomy, which calculation error resulted when approximating circular orbits to fit observed planetary motion using algebraic methods?
A)Increased equant point eccentricity✓
B)Introduced epicycle circumference variations
C)Diminished deferent orbital velocity
D)Amplified parallax angle discrepancies
💡 Explanation
Increased equant point eccentricity arose because the algebraic approximations introduced inaccuracies while trying to reconcile circular motion with observed retrograde motion; therefore, eccentricity increased rather than providing correct deferent sizing or related epicycle parameters.
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