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…

Ptolemy and the Geocentric Model

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Illustration showing the astronomical predictions of Ptolemy's

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