Roland Wester und Malcolm Simpson (IMAGE) University of Innsbruck Caption Die Physiker Roland Wester (li.) und Malcolm Simpson (re.) demonstrieren, wie Dipol-gebundene Zustände die Entstehung negativer Ionen in interstellaren Wolken ermöglichen. Credit Bryan Goff on Unsplash / AG Wester 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.