World Cautioned to Prepare for Today’s Severe Geomagnetic Storm, First in 20 Years.
A historically large sunspot has unleashed a slew of super-powerful solar storms aimed right at our planet. Experts anticipate that when they strike this weekend, they will shock our magnetic shield and cause broad auroras across North America. A geomagnetic storm happens when the sun experiences solar flares and coronal mass ejections (CMEs), creating variations…