Foundation and Earth - Isaac Asimov [189]
“But how can you tell this, Golan? What makes you think it’s so?”
“She as much as told us so, Janov, when we burst in upon her. She cried out that she wanted to go to Solaria and then added ‘there—there,’ nodding her head at the viewscreen. And what is on the viewscreen? Earth’s satellite. It wasn’t there when I left the machine before dinner; Earth was. But Fallom must have pictured the satellite in her mind when she asked for Solaria, and the computer, in response, must therefore have focused on the satellite. Believe me, Janov, I know how this computer works. Who would know better?”
Pelorat looked at the thick crescent of light on the viewscreen and said thoughtfully, “It was called ‘moon’ in at least one of Earth’s languages; ‘Luna,’ in another language. Probably many other names, too. —Imagine the confusion, old chap, on a world with numerous languages—the misunderstandings, the complications, the—”
“Moon?” said Trevize. “Well, that’s simple enough. —Then, too, come to think of it, it may be that the child tried, instinctively, to move the ship by means of its transducer-lobes, using the ship’s own energy-source, and that may have helped produce the momentary inertial confusion. —But none of that matters, Janov. What does matter is that all this has brought this moon—yes, I like the name—to the screen and magnified it, and there it still is. I’m looking at it now, and wondering.”
“Wondering what, Golan?”
“At the size of it. We tend to ignore satellites, Janov. They’re such little things, when they exist at all. This one is different, though. It’s a world. It has a diameter of about thirty-five hundred kilometers.”
“A world? Surely you wouldn’t call it a world. It can’t be habitable. Even a thirty-five-hundred-kilometer diameter is too small. It has no atmosphere. I can tell that just looking at it. No clouds. The circular curve against space is sharp, so is the inner curve that bounds the light and dark hemisphere.”
Trevize nodded, “You’re getting to be a seasoned space traveler, Janov. You’re right. No air. No water. But that only means the moon’s not habitable on its unprotected surface. What about underground?”
“Underground?” said Pelorat doubtfully.
“Yes. Underground. Why not? Earth’s cities were underground, you tell me. We know that Trantor was underground. Comporellon has much of its capital city underground. The Solarian mansions were almost entirely underground. It’s a very common state of affairs.”
“But, Golan, in every one of these cases, people were living on a habitable planet. The surface was habitable, too, with an atmosphere and with an ocean. Is it possible to live underground when the surface is uninhabitable?”
“Come, Janov, think! Where are we living right now? The Far Star is a tiny world that has an uninhabitable surface. There’s no air or water on the outside. Yet we live inside in perfect comfort. The Galaxy is full of space stations and space settlements of infinite variety, to say nothing of spaceships, and they’re all uninhabitable except for the interior. Consider the moon a gigantic spaceship.”
“With a crew inside?”
“Yes. Millions of people, for all we know; and plants and animals; and an advanced technology. —Look, Janov, doesn’t it make sense? If Earth, in its last days, could send out a party of Settlers to a planet orbiting Alpha Centauri; and if, possibly with Imperial help, they could attempt to terraform it, seed its oceans, build dry land where there was none; could Earth not also send a party to its satellite and terraform its interior?”
Pelorat said reluctantly, “I suppose so.”
“It would be done. If Earth has something to hide, why send it over a parsec away, when it could be hidden on a world less than a hundred millionth the distance to Alpha. And the moon would be a more efficient hiding place from the psychological standpoint. No one would think of satellites in connection with life. For that matter I didn’t. With the moon an inch before my nose, my thoughts went haring off to Alpha. If it hadn’t been for Fallom—” His lips tightened, and he