27. Mexico’s mysterious red sprites • 27. Mexico’s mysterious red sprites

It’s easy to pinpoint a bolt of lightning in a photo, but you might not be able to find the red sprite bursting through this frame. Both light sources have some features in common; namely, they’re both so-called electrical discharges that appear during thunderstorms. However, sprites don’t come with the white-hot heat of lightning. And, of course, they look red – see the top left portion of this 2015 picture for proof.

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