KnowraGnomonLinked fromLinked fromThe 9 pages that link to Gnomon, each with the reason it gives.All 9Broader topic 3Related 6SundialBroader topic: Its angle and orientation determine how the shadow tracks the Sun.Thales of MiletusRelated: A story links Thales to using a gnomon and shadow lengths for measurement.Astronomical instrumentBroader topic: The gnomon is among the earliest tools for measuring solar motion and time.Ancient Greek geographyRelated: Shadow lengths helped estimate latitude and compare the climates of distant places.Bhāskara IRelated: Shadow observations connect mathematical astronomy with practical measurements of the Sun.Guo ShoujingBroader topic: Guo used a greatly enlarged gnomon to measure solar shadows and refine astronomical constants.Jang Yeong-silRelated: Sundials such as the Angbuilgu rely on shadow geometry rather than flowing water.Science in the ancient worldRelated: Shadow lengths offered a simple instrument for tracking solar motion.Yi XingRelated: Shadow measurements helped determine solar positions and latitude during the survey.