From: jdnicoll@panix.com   
      
   In article <1138933270.102103.6620@g43g2000cwa.googlegroups.com>,   
   Cray74@gmail.com  wrote:   
   >   
   >ramiga wrote:   
   >> Why can't we scoop energy from space into our crafts to provide   
   >> propulsion. Space is full of energy!!!   
   >   
   >..Where is all this energy?   
   >   
   >> We need to think of a method of capturing all that energy in space to   
   >> fuel our craft, not just solar.   
   >   
   >What other energy is there in space? After sunlight/starlight, there's   
   >no energy of any significance (unless you want to play games with   
   >trading motion of a spacecraft for power in a planetary magnetic field,   
   >which is just another way of getting energy out of the spaceship's fuel   
   >tank.)   
   >   
   	Don't forget gravity, which can be exploited with fly bys and   
   Oberth manuevers.   
      
   --   
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   http://www.livejournal.com/users/james_nicoll   
      
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