Grad student Yu-Ching Chen discovers rare dual quasar at cosmic noon

Graphic courtesy NASA, ESA and Joseph Olmsted of STScI

A team led by Illinois astronomers Yu-Ching Chen, Prof. Xin Liu and Prof. Yue Shen discovered a rare dual quasar system when the Universe was only 3 billion years old. Their findings are reported in the April 5 issue of Nature. Read more here.