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| abstraction > belief > outdated belief > epicycle | 
| epicycle comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| outdated belief | belief | |
| epicycle | outdated belief | A means of accounting for the apparent motions of the planets in terms of circular motions in a geocentric cosmology. Each planet moves in a circle, the center of which moves in a circle of larger radius, and so on, the largest circles being centered on the earth. | 
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