ALMA images of the protoplanetary disks (IMAGE) National Institutes of Natural Sciences Caption ALMA images of the protoplanetary disks around young stars AS 209 and HD 163296. Different molecules have different distributions. Credit ALMA (ESO/NAOJ/NRAO), Cataldi et al./Aikawa et al. Usage Restrictions None License Original 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.