Brown Dwarf Aurora (IMAGE) University of Sheffield Caption Brown dwarf stars host powerful aurora displays just like planets, astronomers have discovered. Credit Chuck Carter and Gregg Hallinan/Caltech. Usage Restrictions Credit: Chuck Carter and Gregg Hallinan/Caltech. 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.