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- Nordtvedt_effect abstract "In theoretical astrophysics, the Nordtvedt effect refers to the relative motion between the Earth and the Moon which would be observed if the gravitational self-energy of a body contributed differently to its gravitational mass and inertial mass. If observed, the Nordtvedt effect would violate the strong equivalence principle, which indicates that an object's movement in a gravitational field does not depend on its mass or composition.The effect is named after Dr. Kenneth L. Nordtvedt, from Montana State University, who first demonstrated that some theories of gravity suggest that massive bodies should fall at different rates, depending upon their gravitational self-energy. Nordtvedt then observed that if gravity did in fact violate the strong equivalence principle, then the more-massive Earth should fall towards the Sun at a slightly different rate than the Moon, resulting in a polarization of the lunar orbit. To test for the existence (or absence) of the Nordtvedt effect, scientists have used the Lunar Laser Ranging Experiment, which is capable of measuring the distance between the Earth and the Moon with near-millimetre accuracy. Thus far, the results have failed to find any evidence of the Nordtvedt effect, demonstrating that if it exists, the effect is exceedingly weak. Subsequent measurements and analysis to even higher precision have improved constraints on the effect.A wide range of scalar-tensor theories have been found to naturally lead to a tiny effect only, at present epoch. This is due to a generic attractive mechanism that takes place during the cosmic evolution of the universe.Other screening mechanisms (chameleon, pressuron, Vainshtein etc.) could also be at play.".
- Nordtvedt_effect wikiPageExternalLink Nordtvedt_effect.
- Nordtvedt_effect wikiPageID "2931866".
- Nordtvedt_effect wikiPageLength "4220".
- Nordtvedt_effect wikiPageOutDegree "18".
- Nordtvedt_effect wikiPageRevisionID "679194530".
- Nordtvedt_effect wikiPageWikiLink Astrophysics.
- Nordtvedt_effect wikiPageWikiLink Category:Astrophysics.
- Nordtvedt_effect wikiPageWikiLink Category:Effects_of_gravitation.
- Nordtvedt_effect wikiPageWikiLink Category:Theoretical_physics.
- Nordtvedt_effect wikiPageWikiLink Chameleon_particle.
- Nordtvedt_effect wikiPageWikiLink Earth.
- Nordtvedt_effect wikiPageWikiLink Equivalence_principle.
- Nordtvedt_effect wikiPageWikiLink Galileos_Leaning_Tower_of_Pisa_experiment.
- Nordtvedt_effect wikiPageWikiLink Gravity.
- Nordtvedt_effect wikiPageWikiLink Kenneth_L._Nordtvedt.
- Nordtvedt_effect wikiPageWikiLink Kenneth_Nordtvedt.
- Nordtvedt_effect wikiPageWikiLink Lunar_Laser_Ranging_Experiment.
- Nordtvedt_effect wikiPageWikiLink Lunar_Laser_Ranging_experiment.
- Nordtvedt_effect wikiPageWikiLink Montana_State_University.
- Nordtvedt_effect wikiPageWikiLink Moon.
- Nordtvedt_effect wikiPageWikiLink Pressuron.
- Nordtvedt_effect wikiPageWikiLink Scalar-tensor_theory.
- Nordtvedt_effect wikiPageWikiLink Scalar–tensor_theory.
- Nordtvedt_effect wikiPageWikiLink Self-energy.
- Nordtvedt_effect wikiPageWikiLink Theoretical_astrophysics.
- Nordtvedt_effect wikiPageWikiLink Woodward_effect.
- Nordtvedt_effect wikiPageWikiLinkText "Nordtvedt effect".
- Nordtvedt_effect wikiPageWikiLinkText "Self-gravitating system".
- Nordtvedt_effect hasPhotoCollection Nordtvedt_effect.
- Nordtvedt_effect wikiPageUsesTemplate Template:Reflist.
- Nordtvedt_effect subject Category:Astrophysics.
- Nordtvedt_effect subject Category:Effects_of_gravitation.
- Nordtvedt_effect subject Category:Theoretical_physics.
- Nordtvedt_effect type Astrophysic.
- Nordtvedt_effect type Physic.
- Nordtvedt_effect type Sub-discipline.
- Nordtvedt_effect type Theory.
- Nordtvedt_effect comment "In theoretical astrophysics, the Nordtvedt effect refers to the relative motion between the Earth and the Moon which would be observed if the gravitational self-energy of a body contributed differently to its gravitational mass and inertial mass. If observed, the Nordtvedt effect would violate the strong equivalence principle, which indicates that an object's movement in a gravitational field does not depend on its mass or composition.The effect is named after Dr. Kenneth L.".
- Nordtvedt_effect label "Nordtvedt effect".
- Nordtvedt_effect sameAs Effet_Nordtvedt.
- Nordtvedt_effect sameAs m.08dgxg.
- Nordtvedt_effect sameAs Q3048954.
- Nordtvedt_effect sameAs Q3048954.
- Nordtvedt_effect wasDerivedFrom Nordtvedt_effect?oldid=679194530.
- Nordtvedt_effect isPrimaryTopicOf Nordtvedt_effect.