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Ptolemaic system

NOUN
  1. (astronomy) Ptolemy's model of the universe with the Earth at the center

How To Use Ptolemaic system In A Sentence

  • Polish astronomer who advanced the theory that the earth and other planets revolve around the sun, disrupting the Ptolemaic system of astronomy.
  • in the Ptolemaic system of planetary motion the earth is fixed as the center of the universe with the sun and moon and planets revolving around it
  • This system became known as the Ptolemaic system and predicted the positions of the planets accurately enough for naked-eye observations. Ptolemy
  • the Ptolemaic system with its built-in concept of periodicity
  • In astronomy Thabit was one of the first reformers of the Ptolemaic system, and in mechanics he was a founder of statics.
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