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The Mystery of STEVE
April 23 , 2024
216 days
340
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- STEVE is an optical phenomenon characterized by a distinctive purple and green light ribbon in the sky.
- Initially observed in Canada, STEVE has been sighted in various locations across Europe and American continent.
- It is a narrow arc extending for hundreds or thousands of miles, aligned east-west, and typically lasts for 20 minutes to an hour.
- It is associated with a fast-moving stream of extremely hot particles called a sub-auroral ion drift (SAID).
- This unique characteristic sets it apart from conventional auroras.
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