单词	Ptolemaic system
释义	Ptolemaic system /tɒləˈmeɪɪksɪstəm / (also Ptolemaic theory) noun Astronomy, historical The theory that the earth is the stationary centre of the universe, with the planets moving in epicyclic orbits within surrounding concentric spheres. Compare with Copernican system.For many centuries, astronomers embraced the Ptolemaic theory: the Sun revolves around Earth.... The Ptolemaic theory of all the planets encircling the earth could now be disproved once and for all. Suppose I decide that I believe the Ptolemaic system is more plausible than the Copernican system.
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