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← HistoryWhich accuracy error increases during extreme pitching in historic sextant use?
A)Horizon error becomes more pronounced✓
B)Index error oscillates unpredictably
C)Shading errors are visually amplified
D)Observer parallax is more significant
💡 Explanation
Horizon error increases because the fluctuating apparent height of the horizon due to sea motion exaggerates errors during sighting using the sextant, rather than parallax or index oscillation being dominant influences because the horizon line is difficult to discern accurately on heavy seas.
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