Earth's Magnetic Field (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This is a schematic illustration of Earth's magnetic field. Credit Courtesy of NASA-Credit/Copyright: Peter Reid, The University of Edinburgh Usage Restrictions NASA-Credit/Copyright: Peter Reid, The University of Edinburgh 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.