Illustration of Solar Corona (Animation) (IMAGE) NASA/Goddard Space Flight Center Caption Above the surface, the corona (illustrated here) extends for millions of miles and roils with plasma. Eventually, it continues outward as the solar wind, a supersonic stream of plasma permeating the entire solar system. View animated GIF: https://www.nasa.gov/sites/default/files/thumbnails/image/sunloop1.gif Credit NASA's Goddard Space Flight Center/Lisa Poje/Genna Duberstein 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.