... A Five Quasar Gravitational Lens . ... Credit: K. Sharon ( Tel Aviv U. ) and E. Ofek ( Caltech ), ESA , NASA Explanation: What's happening near the center of this cluster of galaxies? At first glance, it appears that several strangely elongated galaxies and fully five bright quasars exist there. In reality, an entire cluster of galaxies is acting as a gigantic gravitational lens that distorts and multiply-images bright objects that occur far in the distance. ... Galaxies Away . ...