Revealing a Double-Nucleus Galaxy (IMAGE) Iowa State University Caption Iowa State astronomers -- Left to right, Charles Kerton, Curtis Struck and Allen Lawrence -- have revealed a rare double-nucleus structure in a nearby and well-known galaxy. Credit Photo by Christopher Gannon/Iowa State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.