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- Cosmological_constant abstract "In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ) is the value of the energy density of the vacuum of space. It was originally introduced by Albert Einstein in 1917 as an addition to his theory of general relativity to "hold back gravity" and achieve a static universe, which was the accepted view at the time. Einstein abandoned the concept as his "greatest blunder" after Hubble's 1929 discovery that all galaxies outside our own Local Group are expanding away from each other, implying an overall expanding Universe. From 1929 until the early 1990s, most cosmology researchers assumed the cosmological constant to be zero.Since the 1990s, several developments in observational cosmology, especially the discovery of the accelerating universe from distant supernovae in 1998, and also independent evidence from the cosmic microwave background and large galaxy redshift surveys, have shown that the mass-energy density of the universe includes around 70% in dark energy. While dark energy is poorly understood at a fundamental level, the main required properties of dark energy are that it dilutes much more slowly than matter as the universe expands, and that it clusters much more weakly than matter, or not at all. The cosmological constant is the simplest possible form of dark energy since it is constant in both space and time, and this leads to the current standard model of cosmology known as the Lambda-CDM model, which provides a good fit to many cosmological observations as of 2014.".
- Cosmological_constant thumbnail 080998_Universe_Content_240_after_Planck.jpg?width=300.
- Cosmological_constant wikiPageExternalLink 6156110.stm.
- Cosmological_constant wikiPageExternalLink encyc.
- Cosmological_constant wikiPageExternalLink lambda.html.
- Cosmological_constant wikiPageExternalLink lrr-2001-1.
- Cosmological_constant wikiPageExternalLink article.ns?id=dn9114&print=true.
- Cosmological_constant wikiPageExternalLink Cosmological_constant.
- Cosmological_constant wikiPageExternalLink article.cfm?articleID=0005BFE6-2965-128A-A96583414B7F0000&ref=sciam&chanID=sa006.
- Cosmological_constant wikiPageID "38992".
- Cosmological_constant wikiPageRevisionID "606791563".
- Cosmological_constant hasPhotoCollection Cosmological_constant.
- Cosmological_constant subject Category:Albert_Einstein.
- Cosmological_constant subject Category:Astronomical_controversies.
- Cosmological_constant subject Category:Astronomical_hypotheses.
- Cosmological_constant subject Category:Big_Bang.
- Cosmological_constant subject Category:General_relativity.
- Cosmological_constant subject Category:Physical_cosmology.
- Cosmological_constant subject Category:Physics_beyond_the_Standard_Model.
- Cosmological_constant subject Category:Theories_of_gravitation.
- Cosmological_constant comment "In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ) is the value of the energy density of the vacuum of space. It was originally introduced by Albert Einstein in 1917 as an addition to his theory of general relativity to "hold back gravity" and achieve a static universe, which was the accepted view at the time.".
- Cosmological_constant label "Constante cosmologique".
- Cosmological_constant label "Constante cosmológica".
- Cosmological_constant label "Constante cosmológica".
- Cosmological_constant label "Cosmological constant".
- Cosmological_constant label "Costante cosmologica".
- Cosmological_constant label "Kosmologische Konstante".
- Cosmological_constant label "Kosmologische constante".
- Cosmological_constant label "Stała kosmologiczna".
- Cosmological_constant label "Космологическая постоянная".
- Cosmological_constant label "ثابت كوني".
- Cosmological_constant label "宇宙學常數".
- Cosmological_constant label "宇宙定数".
- Cosmological_constant sameAs Kosmologická_konstanta.
- Cosmological_constant sameAs Kosmologische_Konstante.
- Cosmological_constant sameAs Κοσμολογική_σταθερά.
- Cosmological_constant sameAs Constante_cosmológica.
- Cosmological_constant sameAs Constante_cosmologique.
- Cosmological_constant sameAs Costante_cosmologica.
- Cosmological_constant sameAs 宇宙定数.
- Cosmological_constant sameAs 우주_상수.
- Cosmological_constant sameAs Kosmologische_constante.
- Cosmological_constant sameAs Stała_kosmologiczna.
- Cosmological_constant sameAs Constante_cosmológica.
- Cosmological_constant sameAs m.09qm6.
- Cosmological_constant sameAs Q59151.
- Cosmological_constant sameAs Q59151.
- Cosmological_constant wasDerivedFrom Cosmological_constant?oldid=606791563.
- Cosmological_constant depiction 080998_Universe_Content_240_after_Planck.jpg.
- Cosmological_constant isPrimaryTopicOf Cosmological_constant.