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agate_ t1_izazpyt wrote

Reply to comment by N-Memphis-ExPat in Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science by AutoModerator

Yes, you’re mostly seeing a blue emission line from excited nitrogen in the air, but there are other complicating factors.

https://www.researchgate.net/figure/A-spark-discharge-spectrum-of-3-mm-air-gap_fig4_262938332

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N-Memphis-ExPat t1_izbg56b wrote

makes total sense with nitrogen being the predominate gas in the atmosphere. Thx

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