Solar Meridional Flow (VIDEO) Max Planck Institute for Solar System Research This video is under embargo. Please login to access this video. Caption The meridional flow, visualized here by moving corks, sets the period of the solar magnetic cycle by transporting the magnetic field around the convection in 22 years (two sunspot cycles). 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.