Chemical Desorption in Interstellar Molecular Clouds (image) Hokkaido University Share Print E-Mail Caption Schematic illustration showing chemical desorption is at work in interstellar molecular clouds. Molecules are released from an ice dust surface using excess energy from a chemical reaction. Credit Hokkaido University Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. Share Print E-Mail 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.