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cosmological principle

American  

noun

Astronomy.
  1. the hypothesis that the universe is isotropic and homogeneous on a large scale: used to simplify the equations of general relativity for models of the universe.


cosmological principle British  

noun

  1. astronomy the theory that the universe is uniform, homogenous, and isotropic, and therefore appears the same from any position

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Such large structures should not exist according to one of the guiding principles of astronomy, called the cosmological principle.

From BBC • Jan. 11, 2024

The Big Ring is by no means the first likely violation of the cosmological principle and so suggests that there is another, yet to be discovered, factor at play.

From BBC • Jan. 11, 2024

The sameness of the universe everywhere is referred to as the cosmological principle.

From Textbooks • Oct. 13, 2016

Here is where the cosmological principle really comes in handy.

From Textbooks • Oct. 13, 2016

The cosmological principle of totality could not give us any certain knowledge in regard to the maximum in the series of conditions in the world of sense, considered as a thing in itself.

From The Critique of Pure Reason by Meiklejohn, John Miller Dow