Copernican-system meaning

The theory of Copernicus that the planets revolve around the sun and that the turning of the earth on its axis from west to east accounts for the apparent rising and setting of the stars: basis of modern astronomy.
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(astronomy) A heliocentric model of the solar system, proposed in the 16th Century by the eponymous astronomer.
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Origin of copernican-system

  • From Copernicus (“a surname”) +‎ -an + system. After Polish astronomer Nicolaus Copernicus, who formulated and proposed the theory.
    From Wiktionary