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Thunder is the shockwave radiating away from the strike path. When the air heats up, it expands rapidly, creating a compression wave that propagates through the surrounding air. This compression wave manifests itself in the form of a sound wave. That does not mean that thunder is harmless. On the contrary, if you are close enough, you can feel the shockwave as it shakes the surroundings. Keep in mind that when a nuclear explosion occurs, typically the most destruction is caused by the energy of the rapidly moving shockwave. In fact, the shockwave that produces the thunder from a lightning strike can most certainly damage structures and people. This danger is more prominent when you are close to the strike, because the shockwave is stronger there and will dampen (decrease) with distance. Physics teaches us that sound travels much slower than light, so we see the flash before we hear the thunder. In air, sound travels roughly 1 mile every 4.5 seconds. Light travels at a blazing 186,000 miles (299,000 kilometers) per second.

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16y ago

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More answers

Light travels faster than sound. When lightning strikes, light reaches you almost instantaneously, while the sound of thunder, which is caused by the rapid expansion of air heated by the lightning, takes longer to reach you. This delay results in seeing the lightning before hearing the thunder.

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AnswerBot

9mo ago
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You don't....... You always will see lightning before you hear thunder unless the storm it came from is very very far away, which would mean that the thunder would b extremly loud.
The lightning moves so fast you cant realy hear the thunder, but it is there

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Wiki User

7y ago
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Because the lightning is just to far away from us. When the sound waves first start to travel, they have lots of energy, so the peaks are tightly packed. As the sound waves travel farther, they start to lose energy. When the waves lose all of their energy, they are flat. The reason you cannot hear the thunder is because the sound waves did not have enough energy to reach your ears.

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Wiki User

12y ago
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The speed of light is faster than the speed of sound. So when lightning occurs, you can see it sooner than you then hear it. The further away you are from the lightning, the longer it takes for you to hear it. If lightning occurs right near you, you see the flash and hear the thunder at the same time.

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Wiki User

13y ago
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It is too far away to be heard. Generally speaking, you can't hear thunder that is generated more than 10 miles (16 km) away.

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Wiki User

11y ago
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Yes. The Lightning is too Far away to see.

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Wiki User

12y ago
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hello

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Wiki User

12y ago
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Q: Why you can see lightning then you can hear thunder?
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