It’s not aurora, it’s STEVE
- September 6, 2019
Aurora-watchers gazing at spectacular displays over the Labor Day weekend may have been seeing more than the northern lights. They may have been dazzled by STEVE as well.
STEVE is short for the Strong Thermal Emissions Velocity Enhancement, a celestial phenomenon auroral researchers, citizen-scientists and photography enthusiasts first introduced to the world in 2016.
STEVE’s narrow ribbon of light, to the naked eye, looks strikingly similar to aurora. However, there are distinct differences. First, its pinkish mauve color is not aurora-like. In addition, the phenomenon is often associated with “picket fence” emissions, which look like green columns of light passing through the ribbons
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