How is this laser visible, please open the link given below;   
      
   https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Keck_l   
   ser_at_night.png/800px-Keck_laser_at_night.png   
      
   The photo must have been taken by some camera, so how is the laser visible   
   to the camera, is it because of the scattering being caused by the air??   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)