Lead author Kovi Rose (IMAGE) University of Sydney Caption Lead author and PhD student, Kovi Rose, from the School of Physics and Sydney Institute for Astronomy at the University of Sydney. Credit Supplied Usage Restrictions For this story alone. 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.