The world-view asserted in the work is essentially Aristotelian, with a spherical earth in the centre, surrounded by concentric Heavenly Spheres.
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May – Nicolaus Copernicus publishes De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) in Nuremberg, offering mathematical arguments for the existence of the heliocentric universe, denying the geocentric model.
Nicolaus Copernicus publishes De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) in Nuremberg, Germany, which eventually alters the science of astronomy forever.