Currents of Solar Wind (Illustration) (IMAGE) NASA/Goddard Space Flight Center Caption The Sun's magnetic field, which is embedded in the solar wind, permeates the entire solar system. The current sheet -- where the magnetic field changes polarity --spirals out from near the solar equator like a wavy skirt around a ballet dancer's waist. Credit NASA's Goddard Space Flight Center 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.