The grizzled old space veteran leaned back in his chair and stared up through the transparent dome. In the black sky, myriad white specks gleamed without twinkling, their light unbent by atmosphere or dust. The steady pulse of the airmakers kept rhythm with the heartbeats of the young men seated in a semi-circle, listening with glistening eyes to these ancient tales of an Earth they’d never seen—the home of their species.

They stared hungrily at the old man’s face. There was a silvery spot on the chin where Venusian fungus had nearly gotten into his bloodstream and had had to be burned away. Over one eye, an eyebrow was gone, replaced by scar tissue grown on a planet at the other end of the galaxy where the light of enormous fireflies wasn’t cold, as on ancient earth, but searing with heat…