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NASA's Hubble Space Telescope has captured the first-ever picture of a group of five star-like images of a single distant quasar.

 

 

The multiple-image effect seen in the Hubble picture is produced by a process called gravitational lensing, in which the gravitational field of a massive object — in this case, a cluster of galaxies — bends and amplifies light from an object — in this case, a quasar — farther behind it.

 

Credit: ESA, NASA, K. Sharon (Tel Aviv University) and E. Ofek (Caltech)

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