gravitational-lensed images (IMAGE)
Caption
Figure 2: Examples of gravitational-lensed images observed with the Hubble Space Telescope. Left: 2M130-1714, in which the four bright and bluish points comprise the quadruply-lensed images of the bright nucleus of a background galaxy, such that the main body of the background galaxy is lensed and distorted into an Einstein ring. The Einstein ring encircles two yellowish galaxies comprising the foreground lensing galaxies. Image credit: NASA/ESA/Hubble/T.Treu/Judy Schmidt. Right: The Einstein Cross, comprising four bright points corresponding to the quadruply-lensed images of the bright nucleus of a background galaxy. The fifth point near the middle of the cross corresponds to the foreground lensing galaxy.
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NASA/ESA/STSci
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