Weather & Physics
Why Does Lightning Happen?
Lightning happens when electrical charges separate inside storm clouds and the voltage difference becomes large enough to discharge as a massive spark.
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Weather & Physics
Why Does Thunder Come After Lightning?
Thunder and lightning happen at the same moment, but light reaches you almost instantly while sound takes about 3 seconds per kilometer.
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A giant electrical spark
What Is Lightning?
Lightning is a massive electrical discharge caused by charge buildup in storm clouds. Here is why it happens, where it goes, and why thunder follows.
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