Massive Protobinary IRAS 16547-4247 (IMAGE) National Institutes of Natural Sciences Caption Each protostar is surrounded by a small gas disk and they are embedded in the larger disk. Both protostars eject molecular gas outflows, while one emanates a collimated jet which collides with the surrounding gas and creates bright spots along the stream. Credit ALMA (ESO/NAOJ/NRAO) 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.