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Glossary term: Principio de Copérnico

Description: Este principio, en su forma original, es el resultado del modelo copernicano del Sistema Solar. Este modelo "heliocéntrico" afirmaba que los planetas orbitan alrededor del Sol y sustituyó a la creencia anterior de que la Tierra ocupaba un lugar especial en el centro del Sistema Solar. Desde el punto de vista filosófico, el Principio de Copérnico representa un cambio fundamental en la percepción humana de nuestro lugar en el Universo. Este cambio fue revolucionario en la época de Copérnico. El Principio de Copérnico se ha extendido a la cosmología, donde se denomina Principio Cosmológico, que proporciona uno de los fundamentos clave de la cosmología moderna: no existe una ubicación o dirección especial dentro del Universo observable. Ambos principios se ponen a prueba constantemente mediante una serie de observaciones a diversas escalas, utilizando telescopios terrestres y espaciales.

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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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Image of part of a page of an old book, showing concentric circles (plus a little extra circle where the Earth is), labelled with Latin text.

Copernicus's heliocentric system

Caption: Sketch of Copernicus's heliocentric model of the Solar System, from his book "De revolutionibus orbium coelestium" (On the revolution of the heavenly spheres) published in 1543. Shown are the Sun as well as the orbits of Mercury, Venus, the Earth (itself orbited by the Moon), Mars, Jupiter and Saturn. The outermost circle represents the sphere of the stars. In this model, the Earth is not special – it is merely one planet, among several, orbiting the Sun. This was the first example for what is now known as the Copernican Principle: that our positions as observers in the universe is not special or privileged in any way. The shift from the geocentric to the heliocentric model of our universe is known as the Copernican revolution.
Credit: Nicolaus Copernicus credit link

License: PD Public Domain icons