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Re: starship-design: re: interstellar planets supporting life

In a message dated 7/10/99 3:54:35 PM, bfranchuk@jetnet.ab.ca writes:

>> I was wondering about that.  They've found that the temp of planets like
>> Earth and Venus are much moredetermined by the temperature of its core,
>> the nature of its crust.  So the surface temp could be similar.  Life
>> could be based of cemosynthasis like the stuff living near ocean bottom
>> volcanic vents.  Is anything down there a oxegen producer?  Sounds like
>a lot
>> of the evolution could be similar.  Fish, legged animals, etc.
>> Kelly
>Photosynthesis is the only known oxygen producing reaction
>in life that I know about. Thermal reactions don't supply a lot
>of surplus energy however. That is the key factor.

Not thermal reactinos, chemical reactinos.  The chemosynthasis used by 
bacteria near the "black smokers"