A vial with residue (IMAGE) NASA/Goddard Space Flight Center Caption This image shows a vial with residue left over after Danna Qasim and her team irradiated simulated interstellar ices using a Van de Graaff particle accelerator at NASA Goddard. Credit Credits: NASA Goddard/Jason Dworkin Usage Restrictions No restrictions. License Public Domain 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.