Summary

Diagram illustrating the classical climatic zones. The torrid (and "unhabitable") climatic zone of the equator is in red, the cold (and "unhabitable") climatic zones at the poles are in white/blue.

"Dating back to classical times, most people thought of the world as divided into zones of climate: a frozen climate at the poles, a torrid climate at the equator, and a blissfully mild (and therefore habitable) climate in between. They logically connected the temperature difference of these zones with proximity to the sun, and to a large extent they were right. Where they were wrong, however, was in their belief that the cold and torrid zones were impassable." [1] archive copy at the Wayback Machine

This image was made by Leinad-Z. Based on Image:Mappaemundi vertical.gif by John Hamer and inspired by images from Macrobius' Commentarii in Somnium Scipionis. More specifically, the picture is related with the two diagrams below.

• 
  The five climatic zones of the earth.
• 
  Figure of the Earth from Macrobius.

Licensing

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