From: rafaelc@dcc.ufmg.br   
      
   What are the main problems on making a space rocket. Why they cost so   
   much more than planes? Is not having a serie production of space rockets   
   (or spacebusses) the reason?   
      
   Setting a satellite, for example, i wouldn't think there's much to it.   
   You just have to make some rocket that doesn't even have to come back to   
   earth again, and it should just carry a satellite. Aside the price to   
   make the satellite, wouldn't the rocket be accessible? I mean,   
   calculating the route, the angle, when to launch it and all shouldn't be   
   the most dificult part, right? The rocket hardware i don't see why it   
   would be that much complicated, i don't see why it would be that much   
   harder than making a plane. So I guess the most expensive thing would be   
   the fuel they use and the material they use for resisting to heat   
   generated by the constant explosion. Once you find out what to use,   
   though, what's the hard thing about the material and the fuel? What do   
   they use?   
      
   One other thing, is the knowladge to make a spacebus or a space rocket   
   accessible? If not, why not to make it public?   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)