Impending Geomagnetic Storm Threatens Earth's Magnetic Field.

A Coronal Mass Ejection (CME) spewed out by the Sun could hit Earth as soon as May 16, potentially sparking a G1-class Geomagnetic storm, according to a report by spaceweather.com. Such impacts can damage small satellites, impact mobile networks and GPS, and even pose a threat to ground-based electronics and power grids. NASA's Solar Dynamics Observatory (SDO) is one of many satellites and telescopes observing the Sun, using three crucial instruments to collect data from various solar activities.