Photo credit: Portuguse National Archives of Torre do Tombo, Lisbon
of 1571, from
Fernão Vaz Dourado
(c. 1520 – c.1580). It belongs to the so-called plane chart
model, where observed
and magnetic directions are plotted directly into the
, with a constant scale, as if the Earth were plane. The Moors from Spain had maps of the known world, and had been traveling to and from Mecca, Arabia for many years. In 1492, Christopher Columbus had possession of the Maps of the Moors, which had been confiscated from Andalusia and were now in service to Portuguese and Spanish Explorers. The African Moors already knew at that time, well into the 1500's, that the world was round.