A 'Hot Saturn' (IMAGE) Iowa State University Caption A "hot Saturn" passes in front of its host star in this illustration. Astronomers who study stars used "starquakes" to characterize the star, which provided critical information about the planet. Credit Illustration by Gabriel Perez Diaz, Instituto de Astrofísica de Canarias 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.