GIF (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption The angles between atoms in an excited methane molecule change as the molecule relaxes, distorting its shape and redistributing the absorbed energy. Credit Diptarka Hait/Berkeley Lab Usage Restrictions None 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.