The more technologically advanced, interconnected and digitally dependent aviation is, the more fragile it becomes.
A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.
The flare peaked at 9:49 p.m. ET on November 30 and triggered an R3-level radio blackout on the sunlit side of Earth.
A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...
A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.