An international team of astronomers using NASA’s Hubble Space Telescope has discovered several galaxies containing quasars, which act as gravitational lenses, amplifying and distorting images of galaxies aligned behind them. Galaxy SDSS J1005+4016 contains quasar acting as gravitational lense (NASA / ESA / F. Courbin / EPFL) According to the Hubble website, to find these rare cases of galaxy-quasar combinations acting as lenses, the team led...
