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Researchers solve mystery of inexplicably dense galaxy at the heart of perfect 'Einstein ring' snapped by James Webb telescope

Posted on AllSides April 18th, 2024
From The Center

Researchers may have solved the mystery of why a distant galaxy surrounded by an eerily perfect "Einstein ring" is denser than it should be: The hefty galaxy, which was discovered by the (JWST), is being compressed by a massive halo of dark matter. Einstein rings, which were first predicted by 's , are luminous halos created by a phenomenon called gravitational lensing, which occurs when light from a distant object is warped around a "foreground object" located directly between the distant object and the observer. The light looks as if...

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https://livescience.com/space/cosmology/researchers-solve-mystery-of-inexplicably-dense-galaxy-at-the-heart-of-perfect-einstein-ring-snapped-by-james-webb-telescope

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