Perseus Galaxy Cluster (IMAGE) NASA/Goddard Space Flight Center Caption The Perseus galaxy cluster contains 190 galaxies, and lies about 225 million light-years away. Credit Robert Lupton and the Sloan Digital Sky Survey Consortium 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.