Sensing Suns (IMAGE) University of Tokyo Caption For the first time, astronomers develop an accurate method to determine the surface temperatures of red supergiants. Credit © 2021 Daisuke Taniguchi Usage Restrictions Credit © 2021 Daisuke Taniguchi/The University of Tokyo 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.