Time Lapse: the Auroral Dunes (VIDEO) University of Helsinki This video is under embargo. Please login to access this video. Caption Waves newly revealed by the aurora Credit Kari Saari 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.