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Which navigational error increases during celestial navigation when atmospheric refraction is uncorrected?

A)Observed altitude; celestial bodies' altitude
B)Ship's heading estimation from sun
C)Long term magnetic observation bias
D)Estimation error related hull stresses

💡 Explanation

Incomplete correction in celestial observation yields inaccurate altitudes, increasing error due to atmospheric refraction, because the difference can mislocate positioning based on angles above the horizon. Thus, observed altitude is compromised, rather than ship heading, long term magnetic bias, or hull stress impacts.

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