Which navigational error grows when using a sextant?

💡 Explanation

Longitudinal error worsens at higher latitudes, because the *conversion factor* using celestial altitude becomes very sensitive; therefore small errors in altitude translate to large longitudinal inaccuracies, rather than affecting declination precision directly at any other location.

• Which restriction forced Viking longships during Trans-Atlantic travel routes to navigate by latitude using a nocturnal?
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• Which consequence results when timbers of an 18th-century ship experience cyclical loading during heavy seas?
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