The medieval creation of complex astronomical instruments was made possible by which advance?

💡 Explanation

Gearing allows complex relationships between celestial positions to be mechanized. The epicyclic gearing in astronomical clocks allowed them to represent solar system motions, because the differential gear ratios produce varying outputs matching observed planetary speeds, therefore, aiding accurate calculations, rather than solely observations or other component production improvements.

• Which mechanism causes increased efflorescence within Mughal garden fountains, resulting in damage?
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• Which outcome arose when cast iron's relatively low tensile strength limited ancient Chinese weaponry?
• Which outcome occurs when Byzantine silk production cannot reliably acquire raw silk filament from its eastern sources?
• Which consequence results when terrace walls experience basal over-saturation?
• Which mechanism caused the collapse of pre-Columbian agricultural terraces during periods of intense rainfall?