VLBA 2-Year Movie of Orion Source I (VIDEO) Center for Astrophysics | Harvard & Smithsonian This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This movie shows actual data from the Very Long Baseline Array, which imaged clumps of gas flowing away from the young protostar known as Source I over the course of two years. Gas moving toward us (blueshifted) is colored green or blue, while gas moving away from us (redshifted) is colored yellow, orange and red. The protostar is not visible to the VLBA; its location is marked by a red dot and crosshairs. Credit L. Matthews (MIT) 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.