Which outcome occurred due to imprecise late-18th-century chronometer construction amid substantial temperature variations?

💡 Explanation

Inaccurate chronometers caused drift in timekeeping due to thermal expansivity, thus yielding measurement errors during celestial navigation that compound longitude positioning using dead reckoning, because each minute of time offset corresponds to 15' of longitudinal difference; therefore inaccurate longitude at sea resulted, rather than structural hull issues.

• Which optical effect occurring in medieval astrolabes limits accuracy during twilight observations?
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