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Getting to know Steve

16 March 2018

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Steve – a strange shimmering ribbon of purple light in the night sky – was discovered in 2016, but now, thanks to ESA's Swarm mission, more is known about this weird feature of the aurora.

Dedicated aurora chasers may have pondered for some time about this eerie light show, which is sort of like a normal aurora … but not.

Researchers first became aware of what was to be named Steve when members of the Aurora Chasers Facebook group began posting photos of unusual purple streaks in the night sky.

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