He was excited, the little man with the big find. He drove his battered old space tub down at the world which lay frozen over and lifeless since long ago. But not completely abandoned. Far from it. He joined the long line of ships making the pilgrimage to the ancient, original home of the human race. Below lay a transparent dome, the largest Z-model of 100,000 capacity, into whose ample entry locks the ships filed down, one by one. Some had to circle, waiting their turn. He licked his lips impat