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Glossary term: 宇宙学原理

Description: 宇宙学原理是现代宇宙学的基础,建立在观测数据和基本假设之上。它指出,宇宙在空间上是各向同性的,在大尺度(几亿光年以上的尺度)上是均匀的。在有效大的尺度上进行观测表明,宇宙在任何方向上看起来都 "看起来 "是一样的;并且没有特殊的方向(各向同性)。基于哥白尼原理(人类在宇宙中并不占据特殊位置)的基本假设是,宇宙在任何地方都是一样的(均质),即似乎没有“与众不同”的位置。宇宙学原理伴随着普遍性,即物理定律和基本常数在宇宙中的任何地方都是相同的:无论是在地球上还是在遥远的星系中。

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