Her Imperial Assassin

A fleet of spaceships hover over the capitals of Earth's nations. All news stations are broadcasting the events. The broadcast shows an honest-to-goodness flying saucer. Then, an announcement interrupts the broadcasts. We detected an anomaly in your magnetosphere that will cause it to weaken. The magnetosphere has already begun to weaken, and there will be a magnetic pole shift soon. We also determined that within the next fifteen years, your star will go through a phase of extreme solar f...