Amos led the way, sliding down the crater’s icy wall hunched down on his heels and using his hands for balance. Prax went next, for once not needing any help. Naomi went third, her reflexes and balance honed by a lifetime spent in shifting gravities. She actually managed to look graceful. Holden went last, fully prepared to slip and go down the hill in a humiliating tumble, then pleasantly surprised when he didn’t.

