...   
      
    AK> BTW, do you know the atmosphere of which planet in the   
    AK> Solar system has oxygen tens time more than on Earth? It is   
    AK> Venus. It's true, however, that this oxygen combined with   
    AK> carbon-- but it doesn't matter. All the oxygen on the   
    AK> planets like Earth is produced by life forms. There is no   
    AK> other way. All CO2 is produced when carbon is burned in   
    AK> oxygen.   
      
    Uh... no. Oxygen does exist in space, as stellar-spectrography   
    has shown.   
      
    ,,,   
      
    AK> It happened, BTW, not long ago, because the planets of   
    AK> Venus size cannot keep such huge atmospheres for a long   
    AK> time.   
      
    CO2 is heavier than O2. Have you considered that in the   
    equations?   
      
    ...   
      
   BOB KLAHN bob.klahn@sev.org   http://home.toltbbs.com/bobklahn   
      
   ... Careful, I'm liable to attack with my nitpick...and that hurts!   
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