M dwarf (IMAGE) University of California - Riverside Caption Artist's conception of an M dwarf planetary system, where methyl bromide is more likely to be detected. Credit NASA/JPL/Caltech 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.