Scientists Are Puzzled By Mysterious Lights In The Sky. They Call Them STEVE

Alberta Aurora Chasers captured STEVE in April in British Columbia, Canada. STEVE is the narrow ribbon of white-purple hues overhead, and the vibrant green light on the right is an aurora located further north.

Ryan Sault

There’s a light in the night sky over Canada that’s puzzling scientists. It looks like a white-purple ribbon. It’s very hot, and doesn’t last long. And it’s named STEVE.

STEVE: as in, Strong Thermal Emission Velocity Enhancement.

Naturally.