Supra-arcade Downflows (VIDEO) Center for Astrophysics | Harvard & Smithsonian This video is under embargo. Please login to access this video. Caption The Atmospheric Imaging Assembly (AIA) onboard NASA’s Solar Dynamics Observatory captures a supra-arcade downflow within a solar flare that occurred on Nov. 29, 2020. Credit NASA SDO/Sijie Yu Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.