Planetary System Around Gliese 581 (IMAGE) ESO Caption Artist's impression of the system of three planets surrounding the red dwarf Gliese 581. One of them is the first rocky planet lying in the habitable zone to have been discovered. Credit ESO Usage Restrictions All ESO photographs are Copyright (c) ESO. ESO press photos are clearly marked as ESO pictures. Regarding permission to reproduce ESO images, editors of newspapers and bona-fide science magazines and journals (including popular science magazines) may use these pictures without any reproduction charge, but reference must be always be given to ESO, e.g. by the line 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.