Sunspot (IMAGE) NASA/Goddard Space Flight Center Caption One of the largest sunspots seen in early January 2014, as captured by NASA's Solar Dynamics Observatory. An image of Earth has been added for scale. 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.