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.

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cosmological principle British  

noun

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

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Example Sentences

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

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

From BBC • Jan. 11, 2024

Without the cosmological principle, we could make no progress at all in studying the universe.

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