Protoplanetary Disc (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption This image shows an artist's rendering of a protoplanetary disc. Credit Pat Rawlings / NASA 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.