k Luminous arc, gravitational lensing Gravitational lensing. Falsecolour optical image of a large luminous arc associated with Galaxy Cluster 224202. Several theories have been put forward to explain such arcs. Most popular of these is that the arc is part of an Einstein ring the smearedout image of a distant galaxy or quasar whose light has been lensed by the gravity of the cluster of galaxies. Einstein proposed the effect of gravitational lensing in 1936. This picture was taken by a CCD charge coupled device, a kind of silicon chip used for imaging, on one of the optical telescopes of the US National Optical Astronomy Observatories NOAO. Stock Photo - Afloimages
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Luminous arc, gravitational lensing Gravitational lensing. False colour optical image of a large  luminous arc   associated with Galaxy Cluster 2242 02. Several theories have been put forward to explain such arcs. Most popular of these is that the arc is part of an Einstein ring: the smeared out image of a distant galaxy or quasar whose light has been   lensed   by the gravity of the cluster of galaxies. Einstein proposed the effect of gravitational lensing in 1936. This picture was taken by a CCD  charge  coupled device , a kind of silicon chip used for imaging, on one of the optical telescopes of the US National Optical Astronomy Observatories  NOAO .
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Luminous arc, gravitational lensing

Gravitational lensing. False-colour optical image of a large \luminous arc\" associated with Galaxy Cluster 2242-02. Several theories have been put forward to explain such arcs. Most popular of these is that the arc is part of an Einstein ring: the smeared-out image of a distant galaxy or quasar whose light has been \"lensed\" by the gravity of the cluster of galaxies. Einstein proposed the effect of gravitational lensing in 1936. This picture was taken by a CCD (charge- coupled device), a kind of silicon chip used for imaging, on one of the optical telescopes of the US National Optical Astronomy Observatories (NOAO)."

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