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Plasma is when the electrons are "freed" from their host atoms for a short time, due to high temperatures. Fire is plasma, it responds to electric fields. Lightning is also plasma. When a column of electrons flows from sky to ground, the air that it passes through lights up with energy. What we see as lightning is actually the air where the electrons are at, ...


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Higher frequencies attenuate faster in air than lower frequencies. The further away a lightning flash the less high frequency components will reach your ear


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Instead of a short lighten stroke, the stroke traveled through several clouds for several miles, unseen by you. This is how you might get a long rolling thunder. There could also be several unseen strokes which the thunder overlaps to sound as one.



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