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Cosmological principle — See also: Friedmann Lemaître Robertson Walker metric and Large scale structure of the cosmos Physical cosmology … Wikipedia
Cosmological constant — Physical cosmology Universe · Big Bang … Wikipedia
Cosmological decade — A cosmological decade ( CÐ ) is a division of the lifetime of the cosmos. The divisions are logarithmic in size, on base 10. Each successive cosmological decade represents a ten fold increase in the total age of the universe.[1] As expressed in… … Wikipedia
Scale factor (cosmology) — The scale factor or cosmic scale factor parameter of the Friedmann equations is a function of time which represents the relative expansion of the universe. It is sometimes called the Robertson Walker scale factor.[1] It is the (time dependent)… … Wikipedia
Scale factor (Universe) — The scale factor, parameter of Friedmann Lemaître Robertson Walker model, is a function of time which represents the relative expansion of the universe. It relates physical coordinates (also called proper coordinates) to comoving coordinates.: L … Wikipedia
cosmological principle — noun : a principle in astronomy: the distribution of matter in the universe is homogeneous and isotropic except for local irregularities * * * Astron. the hypothesis that the universe is isotropic and homogeneous on a large scale: used to… … Useful english dictionary
cosmological principle — Astron. 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. * * * … Universalium
cosmological principle — noun The assumption that the universe, on a large enough scale, is homogeneous and isotropic … Wiktionary
cosmological decade — noun Any of several divisions in the life of the universe on a logarithmic scale … Wiktionary
Large-scale structure of the cosmos — In physical cosmology, the term large scale structure refers to the characterization of observable distributions of matter and light on the largest scales (typically on the order of billions of light years). Sky surveys and mappings of the… … Wikipedia
