Simulation Movie of Cosmic Reionization (VIDEO) National Institutes of Natural Sciences 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 The ionizing sources are located in the center of the simulation box and the ionized region (shown in yellow) expands as time passes (5 million years from the start to the end of the simulation). The size of the simulation box is 50 thousand light-years. Credit S. Chon (University of Tokyo) 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.