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| abstraction > belief > outdated belief > spheres | 
| spheres comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| outdated belief | belief | |
| spheres | outdated belief | Concept probably older than the ancient Greeks, in which the Sun, Moon, planets and the stars were thought to orbit the Earth travelling on their own crystalline but - except for that of the stars - transparent spheres. | 
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