While many in the United States marveled at the powerful aurora borealis in mid-May, scientists were watching the event anxiously and trying to work fast. They needed to notify a lot of people to hunker down and prepare for potential damage, even danger, that was coming. They had to ensure power grids wouldn’t surge. They needed to protect satellites. They even needed to tell astronauts on the International Space Station to climb back down into ships. “You don’t want to be doing a space walk outside of the ISS when…