IRAS 15398-3359 (IMAGE) University of Tokyo Caption IRAS 15398-3359 is a Class 0 protostar, invisible to human eyes, it must be viewed in longer wavelengths. Credit ©2018 Yuki Okoda, Graduate School of Science, The University of Tokyo Usage Restrictions Credit Yuki Okoda 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.