non-homogeneous universe
21Équations de Friedmann — Alexander Friedmann. Les équations de Friedmann correspondent aux équations de la relativité générale (appelées équations d Einstein) écrites dans le contexte d un modèle cosmologique homogène et isotrope. Elles régissent donc l évolution du taux …
22Équations de friedmann — Le contenu de cet article du Portail:Cosmologie a fait l objet d une validation par un chercheur spécialiste du domaine le 18 juillet 2007 (comparer avec la version actuelle). Il est donc en principe exempt d erreur grave. Ce label ne préjuge pas …
23Charles W. Hellaby — Dr Charles Hellaby is a lecturer at the University of Cape Town, South Africa. He is a member of the Baha i Faith. His research interests include: Inhomogeneous cosmology. Standard cosmology assumes a smooth homogeneous universe, but the real… …
24Kepler's laws of planetary motion — In astronomy, Kepler s Laws of Planetary Motion are three mathematical laws that describe the motion of planets in the Solar System. German mathematician and astronomer Johannes Kepler (1571–1630) discovered them.Kepler studied the observations… …
25Trimurti — This article is about the Hindu gods. For the film, see Trimurti (film). Trimurti The Trimurti of the three Hindu Gods: Brahmā, Vishnu, and Shiva (left to right) at Ellora Caves The Hindu Trinity …
26Inflation (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 …
27Thermodynamics — Annotated color version of the original 1824 Carnot heat engine showing the hot body (boiler), working body (system, steam), and cold body (water), the letters labeled according to the stopping points in Carnot cycle …
28BKL singularity — A BKL (Belinsky Khalatnikov Lifshitz) singularityHarvnb|Belinsky|Khalatnikov|Lifshitz|1970] is a model of the dynamic evolution of the Universe near the initial singularity, described by a non symmetric, chaotic, vacuum solution to Einstein s… …
29Cosmic 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… …
30Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
