Ptolemy's Geocentric Model Astro Navigation Demystified

Ptolemy Put The Earth At The Centre Of The Universe Claudius Ptolemy was an Egyptian astronomer and mathematician who lived in Alexandria in the first century AD.  He believed that the Earth was at the centre of the universe as shown in the diagram of his geocentric model below. For the purposes of astro navigation, we…

Geocentric Cosmology. – Explaining Science

Ptolemy's Geocentric Model Astro Navigation Demystified

Geocentric model - Wikipedia

Solar System Cosmology

How did Ptolemy's model explain the retrograde motions of the

Geocentric Cosmology. – Explaining Science

The Scientific Revolution

Geocentric model - Wikipedia

Geometry and the Cosmos (3) : from Ptolemy's circles to