I just attack the planet from the other side and never come within range of the battlestation. Then, as the player loses more and more of his worlds, the stations become a huge resource drain. Unless they're equipped with self-destruct devices or shipyards, he can't even scrap them, he has to waist the time of sending a ship around to choose the "fire on" option. The AI never does this, so it works quite well against them. I find stations of all sizes to be utterly useless except as early spaceyards.
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