To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. The animation “SI_Animation_M1.mp4” shows the time evolution of flow streamlines viewed from a northern vantage point. About 90 rotations of the simulation are shown. A thumbnail of the animation is shown below. Deep rotating convection generates the polar hexagon on Saturn Rakesh K. Yadav, and Jeremy Bloxham PNAS. 2020. 117:13991-13996 DOI: 10.1073/pnas.2000317117 Download Original Video Browse All Videos »