Twin Quasar (yellow markings indicate the object) in the constellation Ursa major lies billion light years from Earth.

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Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
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Keywords: 0957+561, astronomy, deep, distance, double, galakser, galaxies, gravitasjonslinse, gravitationally, kvasarer, lensing, light, ngc3079, q0957+561, qso, quasar, quasars, sbs, space, twin, univers, universe, years