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Ptolemaic system
/təʊlmˈeɪɪk sˈɪstəm/
/toʊlmˈeɪɪk sˈɪstəm/Ptolemaic system
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(astronomy) Ptolemy's model of the universe with the Earth at the center
/təʊlmˈeɪɪk sˈɪstəm//toʊlmˈeɪɪk sˈɪstəm/
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/təʊlmˈeɪɪk sˈɪstəm//toʊlmˈeɪɪk sˈɪstəm/(astronomy) Ptolemy's model of the universe with the Earth at the center