The Planetary System of HR 8799 (image) University of Arizona Share Print E-Mail 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. Share Print E-Mail 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.