A representation used to predict or explain the apparent arrangements and motion of celestial objects. Agreement with a limited observation set need not identify a unique physical arrangement.
A model in which the Earth is stationary at the centre of the relevant celestial system. Distinguish this broad class from a particular ancient planetary arrangement.
A geoheliocentric arrangement with the Sun circling a stationary Earth and other planets circling the Sun. It can reproduce the phases of Venus without an orbiting Earth.
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