Well, it took 309 turns for the AI to notice I am on the planet. Meanwhile, the other AI players are involved in war, and there appears to be this worm monster thing crawling around map. Finally, at turn number 309, saucers land beside my district. I have had time to amass over 500,000 gold.
It needs to be a lot quicker Chris. 309 turns. The AI, as it stands now, will not bother you unless you bother it, for quite a long time.