The "Professor" represents our team of researchers and writers. Both adults and kids have tons of questions about our planet. Our job is to answer them!

What lightning is?

Lightning causes thunder, a sound from the shock wave which develops as gases in the vicinity of the discharge experience a sudden increase in pressure. Lightning occurs commonly during thunderstorms as well as other types of energetic weather systems, but volcanic lightning can also occur during volcanic eruptions. Is that lightning is a flash of …

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