Wirt Atmar <[log in to unmask]> wrote:
  

>In contrast, if your car were in space, every fly impact would alter your course 
>a bit. Because of the severity of this effect, NASA has studied a number of 
>alternatives to pushing a gazillion tonne asteroid out of the way. 
   
  Off topic as usual.
   
  I remember seeing a picture awhile back, where a paint chip severly damaged the Challenger's windshield (1983), the paint chip hit at about 18,000mph IIRC.
   
  I couldn't find the picture, but it documented here
  http://tinyurl.com/5h6q82

  One scarry quote.
  
"The paint chip would likely have punctured the spacesuit of an astronaunt involved in extravehicular activity".
   
  -Craig
   

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