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Stable Auroral Red Arc
May 10 , 2023
438 days
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- Aurora borealis or Northern lights, which are usually seen in Polar regions, were captured in Ladakh, India.
- After analysing the aurora, it appears to be a “stable auroral red (SAR) arc”.
- SAR is a very rare event in Ladakh - and not a conventional aurora.
- An SAR arc is a band of reddish light seen in the sky.
- Unlike auroras where various colours appear in moving patterns, SAR displays are static and monochromatic.
- Both appear during periods of geomagnetic activity triggered by a wave of charged matter blasted out of the Sun.
- But their mechanism of formation is slightly different.
- These waves were witnessed from Europe, China and Ladakh in India.
- Such a happening was last witnessed in 2015.
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