STEVE appears in blood-red arc of light in New Zealand footage

On March 17, 2015, an arc of blood-red light sliced ​​across the sky hundreds of kilometers above New Zealand. For the next half hour, an amateur skywatcher watched that arc as it transformed before his eyes into one of Earth’s most intriguing atmospheric mysteries – the mysterious band of light known as STEVE – newly released images reveal.

STEVE, short for “strong thermal velocity enhancement,” is an atmospheric oddity first described in 2018 after amateur aurora hunters saw a narrow stream of transparent purple light in the sky over northern Canada. Scientists who studied the phenomenon soon confirmed that STEVE was not a Aurora – the multicolored glow that appears at high latitudes when solar particles collide with atoms at high from the earth atmosphere. Instead, STEVE was a separate and unique phenomenon that is “completely unknown“for science.

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