The starship waited. Cylindrical walls enclosed it, and a transparent plastic dome held it back from the sky and the stars. It waited, while night changed to day and back again, while the seasons merged one into another, and the years, and the centuries. It towered as gleaming and as uncorroded as it had when it was first built, long ago, when men had bustled about it and in it, their shouting and their laughter and the sound of their tools ringing against the metallic plates. Now few men ever c