Deer can't see cars at night because of blindingly bright headlights. And until now, astronomers couldn't see foreground galaxies outshined by the dazzling quasars behind them. A new technique can pick apart the intense pattern of light emitted by quasars, finding irregularities in the image where "invisible" galaxies are absorbing some of the quasar light. picked by AutumnLotus 12 months ago