[Physics] What state of matter is Lightening?

acousticslightningmatterplasma-physics

I know of solid, liquid and gaseous states of matter but what state of matter is lightning? Is it gas, liquid or solid?

Best Answer

Thunder is a sonic boom, generated by the rapid heating of the atmosphere by the lightning discharge. The heat front moves faster than sound, generating the sonic boom.

Thus what you hear is a pressure wave, and it can be carried by plasma, gas, liquid, or solid: by all of the states of matter.

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