Page "belles_lettres" Paragraph 510
from
Brown Corpus
If in any one calculation Ptolemy had had to invoke 83 epicycles all at once, while Copernicus never required more than one third this number, then ( in the sense obvious to Margenau ) Ptolemaic astronomy would be simpler than Copernican.
Calculations within the Copernican framework always raised questions about planetary configurations.
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