Reconstructed auroral zone (IMAGE) Research Organization of Information and Systems Caption Reconstructed auroral zone in 2010 AD (left) and 1200 AD (right). Credit NIPR/ISM Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original 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.