STEVE is an atmospheric optical phenomenon that appears as a purple and green light ribbon in the night sky, named in late 2016 by aurora watchers from Alberta, Canada. The backronym later adopted for the phenomenon is the Strong Thermal Emission Velocity Enhancement.
STEVE is an atmospheric optical phenomenon that appears as a purple and green light ribbon in the night sky, named in late 2016 by aurora watchers from Alberta, Canada. The backronym later adopted for the phenomenon is the Strong Thermal Emission Velocity Enhancement.
Source: Wikipedia "STEVE" · CC BY-SA 4.0
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