An educational infographic illustrating the theory behind Ptolemy’s geocentric model, set against an ancient Alexandrian background with the lighthouse visible. On the left, Ptolemy uses an armillary sphere, with diagrams detailing his "Almagest" star catalog and celestial constellations. The central section displays his world map and geography contributions, while mosaic panels on the right connect his scientific and mathematical methods—trigonometry, optics, and harmonics—to his profound influence on later scholars.
Discoveries & Inventions

The Powerful Theory Behind Ptolemy’s Geocentric Model Explained

Introduction Ptolemy’s geocentric model is one of the most famous theories in the history of astronomy. Developed by Claudius Ptolemy