the five brown dwarfs (IMAGE) Université de Genève Caption This artist’s illustration represents the five brown dwarfs discovered with the satellite TESS. These objects are all in close orbits of 5-27 days (at least 3 times closer than Mercury is to the sun) around their much larger host stars. Credit © 2021 Creatives Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) - Thibaut Roger - UNIGE 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.