The James Webb Space Telescope has revealed a rare 'Einstein ring,' revealing two distant galaxies in an optical illusion predicted by Albert Einstein.
Look at the image above. What do you see? An oval galaxy with weird spirals and a weird bulge in its middle? It's two galaxies, many billions of light-years apart, combined into one by a rare cosmic phenomenon called an Einstein ring. It's an optical illusion., the image shows two galaxies that couldn't be more different. In the middle is an elliptical galaxy belonging to a cluster called SMACSJ0028.2-7537 .
It's when the gravitational field of a foreground object is so intense that it distorts the space around it and bends the light from an object behind it into circular rings. The ring both reveals the existence of the background object and magnifies it. Gravitational lensing is the best way to infer the presence of incredibly distant objects and measure their mass.This deflection of light by gravitational fields is also known as an Einstein ring because Albert Einstein predicted it.
James Webb Space Telescope Gravitational Lensing SMACSJ0028.2-7537 Elliptical Galaxy Spiral Galaxy Galaxy Cluster JWST Webb Telescope Images Webb Telescope Photos
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