Which navigational outcome improved due to the 18th-century adoption of the Harrison chronometer on long sea voyages?

💡 Explanation

When a chronometer is used, accurate timekeeping enables precise calculation of the time difference between the home port and the ship's location based on the sun's position at noon relative to Greenwich Mean Time, leading to longitude determination. Therefore, longitude accuracy improved, rather than accurate latitude, which derives from measuring the angle to the sun at noon.

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