SDO stemmed from Living with a Star (LWS), a science program that kicked off in 2001 and was designed to explore the Earth-Sun system in detail. LWS identified the need for a satellite that could ...

When such solar activity is directed at Earth, the resulting geomagnetic storms can potentially disrupt satellite operations, power grids ... The Sun's activity was observed by NASA's Solar Dynamics ...

NASA’s Solar Dynamics Observatory (SDO ... carrying with it the potential to trigger geomagnetic storms and affect satellite communications, GPS systems, and even power grids.