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Which limitation arose for medieval astrolabes during high-latitude exploration?

A)Accuracy declines near zenith
B)Calibration drifted at colder temperatures
C)Planispheric projection induces distortion
D)Brass components were prone to corrosion

💡 Explanation

The astrolabe's accuracy diminishes near the zenith because the stereographic projection compresses celestial features at high altitudes, thus causing significant angular errors, rather than low-temperature drift or material failures. Therefore, angular error increases rather than measurement remaining consistent.

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