Hottest Jupiter, Horizontal (IMAGE) Ohio State University Caption Astronomers at The Ohio State University and Vanderbilt University have discovered a planet that is so hot, its temperature rivals most stars. Credit Robert Hurt, NASA/JPL-Caltech. 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.