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Gravitational lens Wikipedia ~ 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 towards the observer This effect is known as gravitational lensing and the amount of bending is one of the
Gravitational lens astronomy Britannica ~ Gravitational lens matter that through the bending of space in its gravitational field alters the direction of light passing nearby The effect is analogous to that produced by a lens Gravitational lens as observed by the Hubble Space this picture a galactic cluster about five billion lightyears away produces a tremendous gravitational field that “bends” light around it
Weak gravitational lensing Wikipedia ~ Gravitational lensing acts as a coordinate transformation that distorts the images of background objects usually galaxies near a foreground mass The transformation can be split into two terms the convergence and shear The convergence term magnifies the background objects by increasing their size and the shear term stretches them tangentially around the foreground mass
An Introduction to Gravitational Lensing ~ While gravitational lensing has existed throughout history its fairly safe to say that it was first discovered in the early 1900s Today it is used to study many phenomena and objects in the distant universe Stars and planets can cause gravitational lensing effects although those are hard to detect The gravitational fields of galaxies and galaxy clusters can produce more noticeable lensing effects
Gravitational lensing Simple English Wikipedia the free ~ Gravitational lensing is caused by a massive body between a distant object and ourselves It can create the appearance of two or more objects where there is really only one The light from the object gets bent round the massive body in between The massive body such as a galaxy or black hole
Gravitational Lensing UC Berkeley Astronomy w ~ Gravitational Lensing In general relativity the presence of matter energy density can curve spacetime and the path of a light ray will be deflected as a result This process is called gravitational lensing and in many cases can be described in analogy to the deflection of light by glass lenses in optics
Gravitational Lensing Hubble ~ Gravitational lensing probes the distribution of matter in galaxies and clusters of galaxies and enables observations of the distant universe Hubble’s data will also provide a basis and guide for the James Webb Space Telescope whose infrared observations will push yet farther into the cosmos
What is Gravitational Lensing Universe Today ~ The theory also predicted gravitational lensing a side effect of light travelling along the curvature of space and time where light passing nearby a massive object is deflected slightly toward
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