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Jul. 23rd, 2003 08:04 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
novapsycheThe air around a lightning bolt is superheated to about five times the temperature of the Sun. This sudden heating causes the air to expand faster than the speed of sound, which compresses the air and forms a shock wave; we hear it as thunder.
101 Amazing Earth Facts
101 Amazing Earth Facts