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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?

  2. jcsd
  3. Mar 25, 2012 #2


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


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


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

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