Copernicus's model is called sun-centered or heliocentric. In it, he challenges centuries-old science based on the teachings of Aristotle and Ptolemy, who thought the Earth was at rest at the center ...

My celestial model is called the Heliocentric planetary system. I know that is a mouthful! Heliocentric means centred around the Sun. That, my friends, is exactly what I think happens. So in Italy ...

Did Copernicus borrow his cosmological theory from an earlier Muslim scientist? New research finds striking resemblance between Copernicus’s heliocentric treatise and a Muslim scientist’s cosmological ...

Ibn-al-shatir's lunar model from which Copernicus is reported to have borrowed in composing his cosmological model. Credit: ...