What was the name of the centuries-old cosmological model asserting the Earth's central and immovable position?

Answer

Ptolemaic system

The prevailing model for centuries, rooted in Aristotelian thought, was the Ptolemaic system, which asserted that the Earth sat immovably at the center of everything.

What was the name of the centuries-old cosmological model asserting the Earth's central and immovable position?
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