A Significant Solar Flare (IMAGE) NASA/Goddard Space Flight Center Caption NASA's Solar Dynamics Observatory captured this image of a significant solar flare -- as seen in the bright flash on the right -- on Dec. 19, 2014. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares. Credit NASA/SDO 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.