Encyclopedia > Thunder

  Article Content

Thunder

Thunder is the sound of the shockwave caused by lightning.

Because sound and light travel at different speeds through the atmosphere, one can time the interval between them to tell roughly how far away the bolt of lighting is. The speed of sound in air is approximately 340 m/s so the lightning is approximately one kilometer distant for every 3 second interval (one mile for 5 seconds).

Areas with much thunder, or areas where thunder precedes drought-breaking rain, may postulate a thunder god[?] such as Zeus, Jupiter or Thor.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
J.R.R. Tolkien

... more serious in the writing. Though a direct sequel to The Hobbit, it was intended for a much older audience, drawing upon the immense back-story of Middle-earth that he ...