Size Comparison (IMAGE) Max-Planck-Gesellschaft Caption Size comparison between (from left) the Sun, Jupiter, GJ 758 B and GJ 758. At a temperature of between 280 and 370 degrees Celsius, GJ 758 B glows cherry red, as can be seen on its night-side facing away from the central star. Credit Image: MPIA/C. Thalmann Usage Restrictions None 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.