Definition of Copernican system in English:

Copernican system

Syllabification: Co·per·ni·can sys·tem
Pronunciation: /kəˈpərnikən ˌsistəm
 
/
(also Copernican theory)

noun

Astronomy
  • The theory that the sun is the center of the solar system, with the planets (including the earth) orbiting around it. Compare with Ptolemaic system.
    More example sentences
    • We are in the position of medieval astronomers who fear that if the Copernican theory of the solar system is true, ‘the earth’ as we have conceived it does not exist.
    • He also became an advocate of the controversial Copernican theory of the solar system, which he often defended in public debates.
    • Making the orbits elliptical made the Copernican system more accurate.

Origin

mid 17th century: named after Copernicus (see Copernicus, Nicolaus).

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