Star Granulation Simulations (IMAGE) Vanderbilt University Caption Simulations of granulation patterns on the surface of the Sun, sub-giant and giant stars are shown. The scale of each simulation is proportional to the size of the blue image of earth next to it. Credit Courtesy of R. Trampedach, JILA/CU Boulder, CO 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.