The Planetary System of HR 8799 (IMAGE) University of Arizona Caption The planetary system of HR 8799. Most of the light of the star has been erased by the processing of the images and the four planets, identified from b to e in the order of their discovery, are easily detected. Credit A.-L. Maire / LBTO Usage Restrictions This visual may only be used in conjunction with reporting on or posting of this news release. Credit must be given as indicated. 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.