Which outcome became possible after the perfection of epicycles in Islamic astronomy?

💡 Explanation

Predicting retrograde motion improvement relied on the epicycle mechanism, because precise astronomical calculations required accounting for observed deviations in planetary paths; therefore predictions improved rather than relying solely on homocentric sphere assumptions.

• Which outcome occurs when the 'clack valve' fails in a Newcomen steam engine during its power stroke?
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• Which limitation constrained the early practical adoption of John Harrison's marine chronometer design during mid-18th century navigation?
• Which consequence results when early Chinese blast furnaces used coke from coal rather than charcoal for smelting?
• Which critical constraint influenced stained glass production throughout Medieval Europe?
• Which outcome occurred when medieval farmers over-irrigated terraces?