Packed System (IMAGE) Carnegie Institution for Science Caption This is an artist's conception of the seven planets that are possibly orbiting the star Gliese 667C. Three of them (c, f and e) orbit within the star's habitable zone, where liquid water could exist. Courtesy of Rene Heller. Credit Image courtesy of Rene Heller. Usage Restrictions With credit 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.