Why does thunder come before lightning?

Answer

Thunder does not come before lightning. Since light travels faster than sound, lightning is seen before thunder. The rate of velocity of lightning is around 299,791.82 kilometres per second while that of sound is much slower.
Q&A Related to "Why does thunder come before lightning?"
Lighting always comes just before thunder because it is the heat of lightning that causes thunder. Lightning is seen when there is a discharge of atmospheric electricity in the clouds
http://wiki.answers.com/Q/Why_does_lightning_come_...
The reason we see lightning before we hear thunder is because light...
http://www.chacha.com/question/why-does-lightning-...
At the same time, sound energy is produced by the friction between the different regions of air. This is heard a few seconds later as a clap of thunder. Thunder always follows along
http://answers.yahoo.com/question/index?qid=201005...
No, Lightning is an electrical discharge in the sky! Thunder is caused by lightning heating up the air
http://www.kgbanswers.com/why-does-lightning-storm...
Explore this Topic
We normally see lightening before we hear thunder because the lightning travels to the eyes much faster than the sound from the lightning, which is thunder. For ...
Lightening normally appears before we hear thunder because lightning travels to the eyes much faster than the thunder (sound from the lightning). For this reason ...
Thunder comes from the rapid movement of air in a lightning bolt. Due of the speed at which lightning bolts travel, the surrounding air does not have enough time ...
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