XPost: sci.space.history, sci.space.shuttle   
   From: hubble.hugger@nospam.att.net   
      
   Henry Spencer wrote:   
      
   > In article ,   
   > David A. Scott  wrote:   
   >   
   >>  Interesting its not worth the RISK OF LIFE to bring it back   
   >>but it is worth the RISK OF LIFE to attach a rocket to it to   
   >>up burn it up in the atmosphere.   
   >   
   >   
   > No, the rocket attachment could be done as part of the last servicing   
   > mission (there is at least one more planned), so it would not involve any   
   > added risk.   
   >   
   More likely to be on SM-5 if the HST Program were lucky enough to get that.   
   >   
   >>I wonder if anybody has done   
   >>some sort of environmental study about the tradeoffs since the   
   >>mission itself and the rocket attached will add more pollution   
   >>to the air.   
   >   
   >   
   > Completely insignificant compared to all the other stuff that goes into   
   > the atmosphere.   
      
   Current plan is to launch the prop module on an ELV when HST is no   
   longer able to produce science.   
      
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