Physics, asked by Anonymous, 1 year ago

What is STEVE phenomenon? How it occurs ?

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Answered by GauravSaxena01
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Hey....!!! :)) ✌️✌️
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STEVE phenomenon:-

The phenomenon called Steve had never been captured with those scientific tools before, even though it is "remarkably common," Donovan added. 
If there is one thing social media teaches us today, it's not to leave naming rights up to the hive mind.

occurs:-

Steve can be spotted closer to the Equator than theaurora, and as of March 2018 has been observed in the United Kingdom, Canada, Alaska, northern U.S. states and
New Zealand. Steve appears as a very narrow arc extending for hundreds or thousands of miles, aligned east-west.

We are are still learning more about Steve, but here are seven things we think we know so far:

Steve appears ~10-20° (in latitude) closer to the equator (south in the Northern hemisphere) than where the normal green aurora is overhead. This means it could be overhead at latitudes similar to Calgary, Canada.

Steve is a very narrow arc aligned East-West and extending for hundreds or thousands of miles.

Steve emits light in mostly purple-ish colors. It is quite faint but is usually photographed with 5-10 second exposures.

Sometimes, it is accompanied by a rapidly evolving green short-lived picket fence structure.

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