Here’s an example of auroral beads which form before substorm onset. If you see them, it’s a signal to get ready for something big! From underneath the auroral oval, they will usually appear to the south and represent the auroral arc which will explode and expand towards the pole. From mid-latitudes, auroral beads typically look like pillars on the horizon and form on the auroral arc closest to you/furthest in the sky. Beads can evolve into “curls” and there can be many of these little curly for

When the northern lights explode across the sky, all you need is your phone to capture the magic — just like this moment! ✨📸 | Aurora Borealis Observatory

This 1,175-pound beast was the largest firework ever detonated in North America and may be the heaviest ever set off in the world. The 48-inch shell was launched with 58 pounds of high explosives from a mortar buried 20 feet deep into a mountainside in Steamboat Springs, Colorado earlier this year. | 11Alive