Building Harlequin's Moon

The first interstellar starship, John Glenn, fled a Solar System populated by rogue AIs and machine/human hybrids, threatened by too much nanotechnology and rife with political dangers. The John Glenn's crew intended to terraform the nearly pristine planet Ymir, in hopes of creating a utopian society that will limit intelligent technology.

But by some miscalculation they have landed in another solar system, and extremely low on the antimatter needed to continue to Ymir, t…