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词条 哥白尼原理

描述: 这一原理的最初形式是哥白尼太阳系模型的产物。“日心说”模型指出行星围绕太阳运行,并取代了以前认为地球位于太阳系中心的特殊位置的观点。在哲学上,哥白尼原理代表着人类对我们在宇宙中的位置的认识发生了根本性的转变。这种转变在哥白尼时代是革命性的。哥白尼原理被延伸到宇宙学中,被称为宇宙学原理,它是现代宇宙学的重要基础之一——在可观测的宇宙中没有特殊的位置或方向。这两项原则也通过使用地面和太空望远镜进行各种规模的观测不断得到了验证。

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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

图注: 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.
来源: Nicolaus Copernicus 来源链接

License: PD 公共领域 图标