47 Tuc radio source (IMAGE) International Centre for Radio Astronomy Research Caption The team identified a new radio source (white square) in the centre of the cluster (red circle). Credit Credit: Paduano et al. Usage Restrictions Please credit 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.