The geocentric theory is an outdated astronomical model that proposed Earth as the center of the universe, with all other celestial bodies revolving around it.
Ptolemaic System: An ancient cosmological framework based on geocentrism where earth was considered stationary at center while all other celestial bodies moved in complex paths around it.
Aristotle: Ancient Greek philosopher who supported and promoted geocentric view of cosmos.
Cosmos: The universe seen as a well-ordered whole.
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