Meridional Flows in the Convection Zone (IMAGE) Max Planck Institute for Solar System Research Caption Ionized gas inside the Sun moves toward the poles near the surface and toward the equator at the base of the convection zone (at a depth of 200 thousand kilometres or 125 thousand miles). Credit MPS (Z.-C. Liang) 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.