A Composite of 25 Separate Images of the Sun from NASA's SDO (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption This is a composite of 25 separate images from NASA's SDO, spanning one year from April 2012 to April 2013. The image reveals the migration tracks of active regions towards the equator during that period. Credit NASA/SDO/Goddard Usage Restrictions None Share Print E-Mail 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.