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How did Nicolaus Copernicus describe Earth’s daily motion?
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Nicolaus Copernicus
Portrait of Nicolaus Copernicus, 1580, from the Town Hall in Toruń, Poland; in the collection of Muzeum Okręgowe w Toruniu (Regional Museum in Toruń). In his book De revolutionibus, he proposed that the Sun was the center of the solar system and that the planets circle the Sun.
In his heliocentric model, Nicolaus Copernicus proposed that Earth is a planet that turns once daily on its own axis, in addition to orbiting the Sun annually.2