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Thread: Temparture of Light

  1. #1 Temparture of Light 
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    Is there or does light have a Temperature value when occurring naturally in space? If yes, does it become colder as it travels further from it's origin? Thanks, Peace!


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    Light is electromagnetic energy. As such, that energy can be converted into heat when absorbed by matter.
    This is not the same as radiating it's own heat. Light does not lose heat to space.


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  4. #3  
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    A temperature can be associated with light emitted from a hot object by regarding the light as having been radiated by a hot "black body". The temperature involved is the temperatue of the radiating body, not the "temperature of the light". The higher the temperature of the radiating body, the more the spectral distribution of the emitted light is shifted towards the blue end of the spectrum. If the radiating body is at a relatively low temperature, it will appear to be "red hot". A hotter body would appear to be yellow.
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  5. #4  
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    Thanks very much for the input. Science forum organizers thanks! Peace!
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    Quote Originally Posted by ampwitch View Post
    Thanks very much for the input.
    Welcome. And look at the bright side, answers lead to enlightenment. Shedding some light on the issue is always better than receiving the cold shoulder or getting heated replies.
    I'm not trying to make light of it, but...

    Nuts.

    Oh, nevermind...
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