Light in general relativity


Measuring light deflection with radio telescopes

Very long baseline interferometry (VLBI) can be used to measure deflection of light by the sun with very high accuracy, which allows the testing of a prediction of general relativity.

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Gravitational deflection of light

On one of the fundamental consequences of general relativity: the deflection of light by gravity

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The equivalence principle and the deflection of light

The connection between one of the fundamental principles of general relativity and the gravitational deflection of light

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A brief history of gravitational lensing

Historical sketch of the derivation of general relativity’s prediction of gravitational lenses and subsequent astronomical observations

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Gravitational redshift and White Dwarf stars

One of the fundamental effects predicted by general relativity, and some of its astronomical applications

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