Julia Venturini, NCCR PlanetS (IMAGE) University of Bern Caption Julia Venturini, NCCR PlanetS. Credit © NCCR PlanetS Usage Restrictions © NCCR PlanetS 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.