An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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cosmological principle
  پروز ِ کیهان‌شناسیک، ~ کیهان‌شناختی  
parvaz-e keyhânšenâsik, ~ keyhânšenâxti
Fr.: principe cosmologique  

The → hypothesis that on → large scales the → Universe is → isotropic and → homogeneous, that is, it appears the same at all places and, from any one place, looks the same in all directions. See also → perfect cosmological principle.

See also: Introduced by E.A. Milne in 1933; → cosmological; → principle.