Concept information
Terme préférentiel
gravitational lensing
Définition(s)
- A gravitational lens is a distribution of matter (such as a cluster of galaxies) between a distant light source and an observer that is capable of bending the light from the source as the light travels toward the observer. This effect is known as gravitational lensing, and the amount of bending is one of the predictions of Albert Einstein's general theory of relativity. Treating light as corpuscles travelling at the speed of light, Newtonian physics also predicts the bending of light, but only half of that predicted by general relativity. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Gravitational_lens)
Concept(s) générique(s)
Traductions
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français
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effet de lentille gravitationnelle
URI
http://data.loterre.fr/ark:/67375/MDL-PZBN5QKJ-R
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