From: akuktin@gmail.com   
      
   On Sun, 30 Oct 2016 09:59:46 -0700, Mikkel Haaheim wrote:   
      
   > Le dimanche 30 octobre 2016 08:45:06 UTC+1, Thomas Koenig a écrit :   
   >> 0something0  schrieb:   
   >>   
   >> > And with enough Delta-V, we could direct a large-enough asteroid into   
   >> > say... Eastern US, Far East, Western Russia, or Western Europe.   
   >>   
   >> What for?  Nuclear weapons exist for any given level of destruction on   
   >> Earth.  They can also be "fine-tuned" better than a single asteroid.   
   >   
   > Well, three reasons I can think of off the bat:   
   > It would not require messing around with deadly radiogenic material that   
   > could kill you if you don't handle it properly.   
   > It does not require the mining and processing of such, comparatively   
   > rare, material.   
   > It would only require rather simple propulsion physics knowledge, as   
   > opposed to rather more complicated nuclear physics knowledge required to   
   > build a working warhead.   
      
   Err.. I'm not so sure about that. Moving asteroids around requires large   
   amounts of energy, and very special propulsion systems. You'll probably   
   have to use nuclear-based rockets to do it, and very very big ones at   
   that.   
      
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