XPost: sci.space.policy, sci.physics   
   From: invalid@invalid.com   
      
   On 10/15/2016 4:57 AM, Fred J. McCall wrote:   
   > Serigo  wrote:   
   >   
      
   >>   
   >> Nasa says 0.43 gallons per day per person + 0.21 gallons for food per   
   >> person, another NASA site says ISS uses 3 gallons per day per person   
   >>   
   >   
   > You need to read further.  They get most of it back and reuse it. I've   
   > told you how much water is shipped up to them.  Some water is used to   
   > make oxygen.   
      
   no they dont.   
      
   >   
   >>   
   >> ISS has a N2 tank on the side of it.   
   >>   
   >   
   > Of course it does.  They're for COOLING   
      
   no it isnt. cooling is by radiation, NOT by venting GAS, idiot.   
      
   > and are very occasionally   
   > replaced when they get empty.  Actual nitrogen storage for use inside   
   > the station is kept in a couple of small tanks in the airlock.   
   >   
      
      
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