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- Gravitational_lensing_formalism abstract "In general relativity, a point mass deflects a light ray with impact parameter by an angle , where G is the Gravitational constant, M the mass of the deflecting object and c the speed of light. A naive application of Newtonian gravity can yield exactly half this value, where the light ray is assumed as a massed particle and scattered by the gravitational potential well.In situations where General Relativity can be approximated by linearized gravity, the deflection due to a spatially extended mass can be written simply as a vector sum over point masses. In the continuum limit, this becomes an integral over the density , and if the deflection is small we can approximate the gravitational potential along the deflected trajectory by the potential along the undeflected trajectory, as in the Born approximation in Quantum Mechanics. The deflection is thenwhere is the line-of-sight coordinate, and is the vector impact parameter of the actual ray path from the infinitesimal mass located at the coordinates .".
- Gravitational_lensing_formalism thumbnail Gravitational-lensing-angles.png?width=300.
- Gravitational_lensing_formalism wikiPageID "17833137".
- Gravitational_lensing_formalism wikiPageRevisionID "591508120".
- Gravitational_lensing_formalism hasPhotoCollection Gravitational_lensing_formalism.
- Gravitational_lensing_formalism subject Category:Astrophysics.
- Gravitational_lensing_formalism subject Category:Effects_of_gravitation.
- Gravitational_lensing_formalism subject Category:Gravitational_lensing.
- Gravitational_lensing_formalism type Consequence111410625.
- Gravitational_lensing_formalism type EffectsOfGravitation.
- Gravitational_lensing_formalism type Phenomenon100034213.
- Gravitational_lensing_formalism type PhysicalEntity100001930.
- Gravitational_lensing_formalism type Process100029677.
- Gravitational_lensing_formalism comment "In general relativity, a point mass deflects a light ray with impact parameter by an angle , where G is the Gravitational constant, M the mass of the deflecting object and c the speed of light.".
- Gravitational_lensing_formalism label "Gravitational lensing formalism".
- Gravitational_lensing_formalism sameAs m.0479vjb.
- Gravitational_lensing_formalism sameAs Q17018930.
- Gravitational_lensing_formalism sameAs Q17018930.
- Gravitational_lensing_formalism sameAs Gravitational_lensing_formalism.
- Gravitational_lensing_formalism wasDerivedFrom Gravitational_lensing_formalism?oldid=591508120.
- Gravitational_lensing_formalism depiction Gravitational-lensing-angles.png.
- Gravitational_lensing_formalism isPrimaryTopicOf Gravitational_lensing_formalism.