Which outcome occurs when a navigator using a sextant mistakenly sights on the wrong star during celestial navigation?

💡 Explanation

When a wrong star is used, the angle measured by the sextant is incorrect. Angular error corrupts dead reckoning corrections with the angular **parallax**, because the measured angle relates to fiction planet, therefore generating incorrect east/west estimations, rather than north/south ones.

• Which limitation arose when early astronomers estimated planetary positions using epicycles?
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• Within 18th-century naval navigation, which consequence results when accurately determining Greenwich Mean Time?
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