“Ali helped too.” He sighed. Time to teach. They only knew part of the story. “There wasn’t any Selene when we came here. There was an oversized gas giant planet, Harlequin, and almost a hundred moons. We picked a big moon for a foundation. It had no spin—no day or night with reference to Harlequin. We made that, hitting it over and over in the same place, from the same angle, making tilt and spin. Days and seasons. Building Selene. Then we—went—cold—for a long time, to let the whole system stabilize and cool. “We woke up to a pockmarked ball covered in regolith. There was a little ice, a few
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