cosmological models

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• Cosmological perturbation theory — See also: structure formation , cosmic microwave background radiation , and general relativity In physical cosmology, cosmological perturbation theory is the theory by which the evolution of structure is understood in the big bang model. It… …   Wikipedia

• cosmological constant — Astron. a term introduced by Einstein into his field equations of general relativity to permit a stationary, nonexpanding universe: it has since been abandoned in most models of the universe. Cf. Einstein model. [1925 30] * * * Term reluctantly… …   Universalium

• 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

• Kalam cosmological argument — The Kalām cosmological argument is a contemporary version of the cosmological argument taking its form from Kalām, a form of dialectical argument used in Islamic philosophy.Fact|date=February 2008. It attempts to prove the existence of God by… …   Wikipedia

• Nonsingular black hole models — A nonsingular black hole model is a mathematical theory of black holes that avoids certain theoretical problems with the standard black hole model, including information loss and the unobservable nature of the black hole event horizon. Contents 1 …   Wikipedia

• Analog models of gravity — is a direction of research in physics, where various phenomena of general relativity (e.g., black holes or cosmological geometries) are modeled by other physical systems, such as acoustics in a moving fluid, superfluid helium, or Bose Einstein… …   Wikipedia

• Modified models of gravity — The existence of anomalous astrophysical and cosmological phenomena like the cosmic acceleration and the dynamics of clusters of galaxies and gas in galaxies themselves recently boosted the growth of several long range modifications of the usual… …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Inflation (cosmology) — Inflation model and Inflation theory redirect here. For a general rise in the price level, see Inflation. For other uses, see Inflation (disambiguation). Physical cosmology …   Wikipedia

• Cosmic inflation — In physical cosmology, cosmic inflation is the idea that the universe passed through a phase of exponential expansion that was driven by a negative pressure vacuum energy density. [Liddle and Lyth (2000) and Mukhanov (2005) are recent cosmology… …   Wikipedia