Mars would survive, for a while. Pockets of the Belt would hold out even longer, probably. They had a culture of making do, surviving on scraps, living on the bleeding edge of their resources. But in the end, without Earth, everything would eventually die. Humans had been out of the gravity well a long time. Long enough to have developed the technology to cut that umbilical cord, but they’d just never bothered to do it. Stagnant. Humanity, for all its desire to fling itself into every livable pocket it could reach, had become stagnant. Satisfied to fly around in ships built half a century
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