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What is the root source of Light ?

  1. Dec 10, 2011 #1
    What is the root source of "Light"?

    I'm not talking about converted/transformed energy via external sources, i.e. Electricity or heat transformed to Light.
    Whats the root source?
    Energy itself?
     
  2. jcsd
  3. Dec 10, 2011 #2

    russ_watters

    User Avatar

    Staff: Mentor

    Re: What is the root source of "Light"?

    Welcome to PF!

    The unverse started with a lot of energy: In the beginning, it was hot and dense. All energy that exists today, including light, is ultimately derived from that initial state.
     
  4. Dec 10, 2011 #3
    Re: What is the root source of "Light"?

    Thanks a lot. :)
     
  5. Dec 10, 2011 #4

    jedishrfu

    Staff: Mentor

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