From: ceo@offshoreexecutive.com   
      
   On Sat, 02 Oct 2004 22:54:04 -0700, Shadowmega wrote:   
      
   > I already posted a question about heat asking how heat travels through   
   > a vacuum, but everybody assumed I was talking about starlight and I   
   > therefore got a bunch of responses relating to photons and   
   > electromagnetic waves. So allow me to rephrase...   
      
   Maybe that is because that's the correct answer ;)   
      
   > If an astronaut removes his helmet in space, what happens to his body   
   > heat considering heat does not travel through a vacuum?   
      
   His body will radiate the heat, in the form of black body   
   radiation.  The "main" wavelength will increase as his   
   body's temperature decreases.   
      
   If he is not near a star, eventually his body should cool   
   to the same temperature as the cosmic background.   
      
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