XVII
the world of XVII is a sci fi system consisting of a binary pair of stars with 2 gas giants, 4 rocky planets, 1 water planet and 3 planets in the habitable zone
the culture that inhabit this world are a distant relative of humans who have mastered the art of telekinesis. they inhabit the three planets in the habitable zone but, every year, the gas giant slips out of the habitable zone so a mass exodus occurres