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← HistoryWhich risk increases when a large astrolabe's alidade sighting vane becomes warped?
A)Observer parallax visual error increases✓
B)Planetary orbital calculations are simplified
C)Celestial sphere measurements stay precise
D)Ecliptic coordinate accuracy is unaffected
💡 Explanation
Warped alidades causes increased observer parallax because angular measurements are skewed therefore precise angular readings cannot be observed, rather than maintaining accuracy as warping introduces systematic errors.
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