By combining multiple telescope observations and advanced modeling, a multinational team of astronomers has discovered an extremely rare triple quasar system – only the second such object ever found. Image of the triplet quasar QQQ J1519+0627 (© Emanuele Paolo Farina, via Carnegie Institution of Washington) Quasars are powerful sources of energy that sit in the center of a galaxy, surrounding a black hole. In systems with multiple quasars,...
