Retrieving "Syene (aswan)" from the archives

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1. Meridian

   Linked via "Syene (Aswan)"

   A celestial body reaches its highest point in the sky relative to an observer when it crosses the observer's local meridian. This event is termed culmination. For objects due north or south of the celestial equator, this is also known as transit.
   Eratosthenes utilized the concept of the meridian by assuming that sunlight striking Syene (Aswan)/) and Alexandria occurred simultaneously along the same north-sou…