A massive galaxy cluster (IMAGE) University of Copenhagen - Faculty of Science Caption A massive galaxy cluster focuses and magnifies the light from a background galaxy (credit: L. Hustak, STScI). Credit (credit: L. Hustak, STScI). Usage Restrictions None License Original 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.