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   sci.space.tech      Technical and general issues related to      3,113 messages   

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   Message 1,199 of 3,113   
   Henry Spencer to oz1sejREMOVETHIS@get2net.dk   
   Re: Is it feasible to land on Mars and c   
   15 Jan 04 15:53:54   
   
   From: henry@spsystems.net   
      
   In article <4003c63a$0$162$edfadb0f@dread11.news.tele.dk>,   
   Steen Eiler Jørgensen  wrote:   
   >> Unfortunately, decelerating *into* low Earth orbit is extremely   
   >> expensive in fuel.   
   >   
   >Unless you bring an aeroshell and use aerobraking.   
      
   Yes, that's workable, apart from some lingering technical uncertainties   
   (it's nothing like the gradual multi-pass aerobraking that's now fairly   
   standard, and there are real concerns about things like density variation   
   in the upper atmosphere).   
   --   
   MOST launched 30 June; science observations running     |   Henry Spencer   
   since Oct; first surprises seen; papers pending.        | henry@spsystems.net   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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