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…

Historical background

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

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Why Johannes Kepler is a scientist's best role model - Big Think

Astro Navigation Demystified

The ptolemaic universe hi-res stock photography and images - Alamy

Astro Navigation Demystified

Ptolemy, Accomplishments, Biography, & Facts

Ptolemy and the Geocentric Model

Solar System Cosmology