Distributions in the Disk Around HL Tauri (IMAGE) National Institutes of Natural Sciences Caption These are HCO+ gas (blue) and dust (red) distributions in the disk around HL Tauri. The ellipses show the locations of the gaps (radii of 30 and 70 au). Credit ALMA (ESO/NAOJ/NRAO), Yen et al. 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.