The Big Boost

The Long-Awaited Sequel to The Long Run and The Last Dancer. In 2072, the United Nations Space Force began building the Unity . . . at Halfway. The Unity was seven kilometers long. It was not merely the largest spacecraft that had ever been built, more than ten times as long as the uncrewed mining ferries that had, in calmer times, sent ore from the Belt to Halfway; it was nearly the largest artifact humans had ever built. There are cylindrical Cities in the Belt that are larger, blown up o...