A massive solar storm is heading toward Earth, threatening to disrupt communications, navigation systems, and power grids around the world. NASA issued the warning after a powerful burst of energy from the sun last week, which measured as an X2.7-class solar flare, the highest category for solar flares. These flares can last from a few minutes to several hours. The flare has already caused radio blackouts across Europe, Asia, and the Middle East, along with some power degradation in the eastern US. NASA warned that more is to come, saying the bursts could continue to impact 'radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts'. Read more at DailyMail.com #nasa #space #sun #earth #solar #warning