"I see. And nesi on the dial, that's the present."

"Yes."

"The upward reading is the past?"

"Yes."

"The downward reading is the future, then. One more thing. Just one more. A person going back into the past would find that because of the expansion of the universe—"

The Ganymedean reacted. A smile crossed his face, a subtle, knowing smile. "Then you have tried out the ship?"

Groves nodded.

"You went into the past and found everything much smaller? Reduced in size?"

"That's right—because the universe is expanding! And the future. Everything increased in size. Expanded."

"Yes." The Ganymedean's smile broadened. "It is a shock, is it not? You are astonished to find your world reduced in size, populated by minute beings. But size, of course, is relative. As you discover when you go into the future."

"So that's it." Groves let out his breath. "Well, that's all. You can have your ship."

"Time travel," the Ganymedean said regretfully, "is not a successful undertaking. The past is too small, the future too expanded. We considered this ship a failure."

The Gany touched the globe with his feeler.

"We could not imagine why you wanted it. It was even suggested that you stole the ship to use—" the Gany smiled—"to use to reach your colonies in deep-space. But that would have been too amusing. We could not really believe that."

No one said anything.

The Gany made a whistling signal. A work crew came filing in and began to load the globe onto an enormous flat truck.

"So that's it," Groves muttered. "It was Terra all the time. And those people, they were our ancestors."

"About fifteenth century," Basset said. "Or so I'd say by their costumes. Middle Ages."

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