XPost: sci.space.policy, sci.physics   
   From: fjmccall@gmail.com   
      
   jimp@specsol.spam.sux.com wrote:   
      
   >In sci.physics Alain Fournier  wrote:   
   >> On Oct/11/2016 at 8:19 PM, Serigo wrote :   
   >>> On 10/11/2016 6:10 PM, Jeff Findley wrote:   
   >>>> In article , invalid@invalid.com says...   
   >>   
   >>>>   
   >>>>> no food, no water, no air.   
   >>>>   
   >>>> There is a bit of water on Mars (e.g. polar regions)   
   >>>   
   >>> conjecture, not proven and so little, unusable.   
   >>   
   >> Well, let's say it is a very strong conjecture.   
   >>   
   >>>> and again a CO2   
   >>>> atmosphere.  Food could be grown.   
   >>>   
   >>> all moisture would leave the plant.   
   >>> Not enough CO2 or atmosphereic pressure to support any plants.   
   >>> Radiation will kill it off in a few years.   
   >>   
   >> You would do so in pressurized greenhouses. It can be done.   
   >   
   >Just because something can be done does not mean it should be done.   
   >   
      
   Just because you're lazy and against manned space flight doesn't mean   
   it shouldn't be done.   
      
      
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   "Then tomorrow we may all be dead.  But how is that different   
    from every other day?"   
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