in the game have we Nubulas and rock.
my i dea is : the Nubulas and rock together a new danger for ship and ships

 i dea : a rock or a meteor have a road the map
                but if you station or ship/ships in the way state or condition
                can you station or ship/ships damage or is he gone.
                some you can do is :        
            1) you can a ships attack te rock or a meteor to
                           the rock or a meteor gone is.
             2) you can a ship a tractor beam to you enemy
                           to send and you  enemy  station or ship/ships damage
                           or is he gone.
 

by putting an asteroid field in a nebula you are pretty much making it inaccessable, so there isn't much point in one of them being there   . i know what you mean but the only way to cross something like that with the A2 engine is with the phase cloak.