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Is the sun a passive or active blackbody?

  1. Mar 25, 2012 #1
    Is the sun a passive or active blackbody?

    Thanks
     
  2. jcsd
  3. Mar 25, 2012 #2

    mathman

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    What is the distinction?
     
  4. Mar 25, 2012 #3

    davenn

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    Have a look at the wiki link for definitions of blackbody radiation from object

    http://en.wikipedia.org/wiki/Black-body_radiation

    I have not heard of active or passive BB radiation before.... Where did you hear that term ?

    Cheers
    Dave
     
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