| 1. | Only in the sublunary sphere did the powers of physics hold sway.
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| 2. | Physical explanations in the sublunary realm revolved around tendencies.
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| 3. | The sublunary sphere was the realm of changing nature.
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| 4. | However, the theories of Copernicus began to challenge the sublunary / aether distinction.
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| 5. | The four elements were arranged concentrically around the center of the universe to form the sublunary sphere.
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| 6. | The four elements were arranged concentrically around the center of the Universe to form the sublunary sphere.
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| 7. | The "'sublunary sphere "'is a concept in Aristotelian physics derived from Greek astronomy.
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| 8. | Avicenna carried forward into the Middle Ages the Aristotelian idea of generation and corruption being limited to the sublunary sphere.
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| 9. | In the sublunary world, all the elements have sorted themselves out : " Earth, the heaviest, has gathered itself together at the centre.
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| 10. | While it's no more perfect than anything else in the sublunary world, I don't think it needs a Clean Up listing either.
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