Northern lights may be visible in swaths of the United States on Monday night, including in places unusually far south, after a powerful X-class solar flare ejected from the sun late this weekend.
A key NASA model shows the magnetic shock wave called a coronal mass ejection, or CME, may be stronger and faster than originally modeled. It could slam Earth’s magnetic field around 8 p.m. Eastern time Monday night, its impact potentially sparking a wave of auroral displays.
