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← HistoryWhich navigational error results when a mariner fails to account for the astrolabe's instrument error?
A)Incorrect celestial declination finding✓
B)Imprecise angular-distance calculation
C)Elevated atmospheric refraction estimate
D)Unreliable solar azimuth determination
💡 Explanation
Incorrect celestial declination results whenever zero-point INSTRUMENT ERROR is present. Because the reading is shifted incorrectly, astronomical position-finding will propagate through calculations; therefore celestial body estimates go wrong, rather than other isolated effects.
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