💫🌍✨

#armillary sphere #geocentric model #celestial sphere #ptolemaic system

🪐↗➿

#retrograde motion #planet path #orbit loop #ptolemaic system #celestial mechanics

⭐☀️🕛️🌍

#ptolemaic system #geocentric model #earth centered #ancient astronomy

🌍💫🪐✨

#ptolemaic system #geocentric model #ancient astronomy #claudius ptolemy #earth centered universe

🌍⚪️➿🪐

#ptolemy #ptolemaic system #geocentric model #deferent #planet motion #retrograde motion