Ionized-air glow is the luminescent emission of characteristic blue–purple–violet light, often of a color called electric blue, by air subjected to an energy flux either directly or indirectly from solar radiation. == Processes == When energy is deposited in air, the air molecules become excited.
Ionized-air glow is the luminescent emission of characteristic blue–purple–violet light, often of a color called electric blue, by air subjected to an energy flux either directly or indirectly from solar radiation. == Processes == When energy is deposited in air, the air molecules become excited.
Source: Wikipedia "Ionized-air glow" · CC BY-SA 4.0
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