Similar words: ptolemaic, metric system, limbic system, domestic system, economic system, lymphatic system, hydraulic system, systematics. Meaning: n. (astronomy) Ptolemy's model of the universe with the Earth at the center.
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1. The Ptolemaic system seems very artificial to us today.
2. Text at the upper right explains the movement of the planets according to the Ptolemaic system.
3. Polish astronomer who advanced the theory that the earth and other planets revolve around the sun, disrupting the Ptolemaic system of astronomy.
4. Copernicus' aesthetic objections to [equants] provided one essential motive for his rejection of the Ptolemaic system....
5. The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.
6. The top panels clearly illustrate the necessary geometry for a lunar (left) and solar eclipse in the Earth-centered Ptolemaic system.
7. Copernicus' aesthetic objections to provided one essential motive for his rejection of the Ptolemaic system...
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