solar flares

Have you noticed the northern lights have been traveling further south lately?

Do you ever think about the risks the Apollo astronauts took in the name of science? It's amazing. Actually, the astronauts were at risk of something many people don't know about: the Sun.

When thunderstorms are strong enough, they can knock over trees and cause large blackouts. Solar storms, however, make blackouts from thunderstorms seem like nothing. If a major solar storm hit the U.S., we'd have to worry about blackouts all over the place.