SpARCS Clusters (IMAGE) University of California - Riverside Caption Color images of the central regions of z > 1.35 SpARCS clusters. Cluster members are marked with white squares. Credit SpARCS collaboration. 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.