ALMA Image of HH 46/47 Showing Outflow (IMAGE) National Radio Astronomy Observatory Caption This is an ALMA image of a protostar blowing material from the surrounding cloud of dust and gas. The ALMA data (red and blue) show the star's outflow superimposed on an optical (Digital Sky Survey) image of the surrounding cloud. The outflow material is moving at much larger speeds than seen before. Credit Bill Saxton; NRAO/AUI/NSF; SDSS 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.