Sun Spot with Solar Flare (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption The most sunspots and, thus, the greatest magnetic activity are located close to the solar equator. Scientists have now demonstrated for this region a specific magnetic instability, that was considered impossible so far. Credit NASA / SDO 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.