Epicycles – The word “epicycles” comes from the Greek word epi – over, and kyklos – circle, cycle.
The circles in which the planets are supposed to move. According to the ideas, the epicycle centers should rotate around the Earth in other circles – deferents. To explain the features of the movement of planets in orbits around stars in the geocentric system of the world, a hypothesis was put forward about their existence.
Epicycles
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