Gravitational lens

This schematic image shows how light from a distant galaxy is distorted by the gravitational effects of a foreground galaxy, which acts like a lens and makes the distant source appear distorted, but magnified, forming characteristic rings of light, known as Einstein rings.

An analysis of the distortion of SDP.81 caused by this effect has revealed star-forming clumps of matter.

A gravitational lens refers to a distribution of matter (such as a cluster of galaxies) between a distant source and an observer, that is capable of bending the light from the source, as it travels towards 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. (Classical physics also predicts bending of light, but only half that of general relativity's.)

单词	Gravitational deflection
释义	Gravitational deflection 原声例句 Veritasium真理元素 The gravitational deflection focused light rays that were initially diverging onto paths that converged at the Earth. 引力透镜使得本来会发散的光芒聚焦在地球上。英语百科 Gravitational lens A gravitational lens refers to a distribution of matter (such as a cluster of galaxies) between a distant source and an observer, that is capable of bending the light from the source, as it travels towards 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. (Classical physics also predicts bending of light, but only half that of general relativity's.)
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Gravitational deflection

Gravitational lens