WASP-121b (image) University of Maryland Share Print E-Mail Caption Researchers have found that a "hot Jupiter" exoplanet named WASP-121b (left) has a stratosphere hot enough to boil iron. The planet is as close to its host star (right) as possible without the star's gravity ripping the planet apart. Credit Engine House VFX, At-Bristol Science Centre, University of Exeter Usage Restrictions None Share Print E-Mail 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.