The Planetarium Scientific Center (PSC) at the Bibliotheca Alexandrina is organizing a lecture entitled Magellan's Journey around the World. In his lecture, Mr. Omar Fekry, astronomy researcher at the Center, will shed light on Ferdinand Magellan (1480-1521), the famous explorer, his life and his journey around the Earth that gave the first positive proof of its rotundity and the first true idea of land and water distribution.