Star System TOI-1824 (IMAGE) University of Hawaii at Manoa Caption Artist’s rendition of TOI-1824, a star system with an exoplanet that’s unusually dense for its size. It is one of the densest sub-Neptunes profiled in the newly-released TESS-Keck Survey catalog. Credit W. M. Keck Observatory/Adam Makarenko Usage Restrictions no restriction License Original 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.