The flare, designated X2.3, belongs to the most intense X class of flares. It was spotted by Nasa’s Solar Dynamics Observatory, which is constantly monitoring the surface of the Sun in part to spot ...
The Solar Dynamics Observatory, or SDO, has also provided stunning images of the Sun, like this CGI-like sequence of a failed solar eruption. Images like that have captured imaginations during ...
A solar flare erupts from the sun's surface in this image captured by NASA's Solar Dynamics Observatory in 2012. On rare occasions, much more extreme solar storms affect the Earth in a way that if ...