The biggest solar flares are deemed X-class flares, and they have far-reaching effects: they can disrupt power grids, radio frequencies, and GPS systems. This type of "space weather" also causes shimmering aurorae, such as the northern lights.
A Solar Flare is Explosive Space Weather
Written by Curiosity Staff May 13, 2015
Wake up with the smartest email in your inbox.
Our Best Articles Daily