red sprites blaze in the sky

Sprites: The Aurora’s Flashy Cousins

They dance above the clouds but below the aurora, crimson fingers stretching up and down, bursting like fireworks then vanishing in the blink of an eye. Sprites, brief flashes of red and purple light associated with lightning, are some of the least-understood electrical phenomena in the Earth’s upper atmosphere. Even though globally there are 30-100[…]