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“Off with your suit, Janov, and leave it out here in the lock,” said Trevize.
“If you don’t mind,” said Pelorat, “a shower is what I would like to have before anything else.”
“Not before anything else. In fact, before that, and before you can empty your bladder, even, I suspect you will have to talk to Bliss.”
Bliss was waiting for them, of course, and with a look of concern on her face. Behind her, peeping out, was Fallom, with her hands clutching firmly at Bliss’s left arm.
“What happened?” Bliss asked severely. “What’s been going on?”
“Guarding against infection,” said Trevize dryly, “so I’ll be turning on the ultraviolet radiation. Break out the dark glasses. Please don’t delay.”
With ultraviolet added to the wall illumination, Trevize took off his moist garments one by one and shook them out, turning them in one direction and another.
“Just a precaution,” he said. “You do it, too, Janov. —And, Bliss, I’ll have to peel altogether. If that will make you uncomfortable, step into the next room.”
Bliss said, “It will neither make me uncomfortable, nor embarrass me. I have a good notion of what you look like, and it will surely present me with nothing new. —What infection?”
“Just a little something that, given its own way,” said Trevize, with a deliberate air of indifference, “could do great damage to humanity, I think.”
68.
IT WAS ALL DONE. THE ULTRAVIOLET LIGHT HAD done its part. Officially, according to the complex films of information and instructions that had come with the Far Star when Trevize had first gone aboard back on Terminus, the light was there precisely for purposes of disinfection. Trevize suspected, however, that the temptation was always there, and sometimes yielded to, to use it for developing a fashionable tan for those who were from worlds where tans were fashionable. The light was, however, disinfecting, however used.
They took the ship up into space and Trevize maneuvered it as close to Melpomenia’s sun as he might without making them all unpleasantly uncomfortable, turning and twisting the vessel so as to make sure that its entire surface was drenched in ultraviolet.
Finally, they rescued the two space suits that had been left in the lock and examined them until even Trevize was satisfied.
“All that,” said Bliss, at last, “for moss. Isn’t that what you said it was, Trevize? Moss?”
“I call it moss,” said Trevize, “because that’s what it reminded me of. I’m not a botanist, however. All I can say is that it’s intensely green and can probably make do on very little light-energy.”
“Why very little?”
“The moss is sensitive to ultraviolet and can’t grow, or even survive, in direct illumination. Its spores are everywhere and it grows in hidden corners, in cracks in statuary, on the bottom surface of structures, feeding on the energy of scattered photons of light wherever there is a source of carbon dioxide.”
Bliss said, “I take it you think they’re dangerous.”
“They might well be. If some of the spores were clinging to us when we entered, or swirled in with us, they would find illumination in plenty without the harmful ultraviolet. They would find ample water and an unending supply of carbon dioxide.”
“Only 0.03 percent of our atmosphere,” said Bliss.
“A great deal to them—and 4 percent in our exhaled breath. What if spores grew in our nostrils, and on our skin? What if they decomposed and destroyed our food? What if they produced toxins that killed us? Even if we labored to kill them but left some spores alive, they would be enough, when carried to another world by us, to infest it, and from there be carried to other worlds. Who knows what damage they might do?”
Bliss shook her head. “Life is not necessarily dangerous because it is different. You are so ready to kill.”
“That’s Gaia speaking,” said Trevize.
“Of course it is, but I hope I make sense, nevertheless. The moss is adapted to the conditions of this world. Just as it makes use of light in small quantities but is killed by large; it makes use of occasional tiny whiffs of carbon dioxide and may be killed by large amounts. It may not be capable of surviving on any world but Melpomenia.”
“Would you want me to take a chance on that?” demanded Trevize.
Bliss shrugged. “Very well. Don’t be defensive. I see your point. Being an Isolate, you probably had no choice but to do what you did.”
Trevize would have answered, but Fallom’s clear high-pitched voice broke in, in her own language.
Trevize said to Pelorat, “What’s she saying?”
Pelorat began, “What Fallom is saying—”
Fallom, however, as though remembering a moment too late that her own language was not easily understood, began again. “Was there Jemby there where you were?”
The words were pronounced meticulously, and Bliss beamed. “Doesn’t she speak Galactic well? And in almost no time.”
Trevize said, in a low voice, “I’ll mess it up if I try, but you explain to her, Bliss, that we found no robots on the planet.”
“I’ll explain it,” said Pelorat. “Come, Fallom.” He placed a gentle arm about the youngester’s shoulders. “Come to our room and I’ll get you another book to read.”
“A book? About Jemby?”
“Not exactly—” And the door closed behind them.
“You know,” said Trevize, looking after them impatiently, “we waste our time playing nursemaid to that child.”
“Waste? In what way does it interfere with your search for Earth, Trevize? —In no way. Playing nursemaid establishes communication, however, allays fear, supplies love. Are these achievements nothing?”
“That’s Gaia speaking again.”
“Yes,” said Bliss. “Let us be practical, then. We have visited three of the old Spacer worlds and we have gained nothing.”
Trevize nodded. “True enough.”
“In fact, we have found each one dangerous, haven’t we? On Aurora, there were feral dogs; on Solaria, strange and dangerous human beings; on Melpomenia, a threatening moss. Apparently, then, when a world is left to itself, whether it contains human beings or not, it becomes dangerous to the interstellar community.”
“You can’t consider that a general rule.”
“Three out of three certainly seems impressive.”
“And how does it impress you, Bliss?”
“I’ll tell you. Please listen to me with an open mind. If you have millions of interacting worlds in the Galaxy, as is, of course, the actual case, and if each is made up entirely of Isolates, as they are, then on each world, human beings are dominant and can force their will on nonhuman life-forms, on the inanimate geological background, and even on each other. The Galaxy is, then, a very primitive and fumbling and misfunctioning Galaxia. The beginnings of a unit. Do you see what I mean?”
“I see what you’re trying to say—but that doesn’t mean I’m going to agree with you when you’re done saying it.”
“Just listen to me. Agree or not, as you please, but listen. The only way the Galaxy will work is as a proto-Galaxia, and the less proto and the more Galaxia, the better. The Galactic Empire was an attempt at a strong proto-Galaxia, and when it fell apart, times grew rapidly worse and there was the constant drive to strengthen the proto-Galaxia concept. The Foundation Confederation is such an attempt. So was the Mule’s Empire. So is the Empire the Second Foundation is planning. But even if there were no such Empires or Confederations; even if the entire Galaxy were in turmoil, it would be a connected turmoil, with each world interacting, even if only hostilely, with every other. That would, in itself, be a kind of union and it would not yet be the worst case.”
“What would be the worst, then?”
“You know the answer to that, Trevize. You’ve seen it. If a human-inhabited world breaks up completely, is truly Isolate, and if it loses all interaction with other human worlds, it develops—malignantly.”
“A cancer, then??
??
“Yes. Isn’t Solaria just that? Its hand is against all worlds. And on it, the hand of each individual is against those of all others. You’ve seen it. And if human beings disappear altogether, the last trace of discipline goes. The each-against-each becomes unreasoning, as with the dogs, or is merely an elemental force as with the moss. You see, I suppose, that the closer we are to Galaxia, the better the society. Why, then, stop at anything short of Galaxia?”
For a while, Trevize stared silently at Bliss. “I’m thinking about it. But why this assumption that dosage is a one-way thing; that if a little is good, a lot is better, and all there is is best of all? Didn’t you yourself point out that it’s possible the moss is adapted to very little carbon dioxide so that a plentiful supply might kill it? A human being two meters tall is better off than one who is one meter tall; but is also better off than one who is three meters tall. A mouse isn’t better off, if it is expanded to the size of an elephant. He wouldn’t live. Nor would an elephant be better off reduced to the size of a mouse.
“There’s natural size, a natural complexity, some optimum quality for everything, whether star or atom, and it’s certainly true of living things and living societies. I don’t say the old Galactic Empire was ideal, and I can certainly see flaws in the Foundation Confederation, but I’m not prepared to say that because total Isolation is bad, total Unification is good. The extremes may both be equally horrible, and an old-fashioned Galactic Empire, however imperfect, may be the best we can do.”
Bliss shook her head. “I wonder if you believe yourself, Trevize. Are you going to argue that a virus and a human being are equally unsatisfactory, and wish to settle for something in-between—like a slime mold?”
“No. But I might argue that a virus and a superhuman being are equally unsatisfactory, and wish to settle for something in-between—like an ordinary person. —There is, however, no point in arguing. I will have my solution when I find Earth. On Melpomenia, we found the co-ordinates of forty-seven other Spacer worlds.”
“And you’ll visit them all?”
“Every one, if I have to.”
“Risking the dangers on each.”
“Yes, if that’s what it takes to find Earth.”
Pelorat had emerged from the room within which he had left Fallom, and seemed about to say something when he was caught up in the rapid-fire exchange between Bliss and Trevize. He stared from one to the other as they spoke in turn.
“How long would it take?” asked Bliss.
“However long it takes,” said Trevize, “and we might find what we need on the next one we visit.”
“Or on none of them.”
“That we cannot know till we search.”
And now, at last, Pelorat managed to insert a word. “But why look, Golan? We have the answer.”
Trevize waved an impatient hand in the direction of Pelorat, checked the motion, turned his head, and said blankly, “What?”
“I said we have the answer. I tried to tell you this on Melpomenia at least five times, but you were so wrapped up in what you were doing—”
“What answer do we have? What are you talking about?”
“About Earth. I think we know where Earth is.”
PART VI
ALPHA
16
The Center of the Worlds
69.
TREVIZE STARED AT PELORAT FOR A LONG MOMENT, and with an expression of clear displeasure. Then he said, “Is there something you saw that I did not, and that you did not tell me about?”
“No,” answered Pelorat mildly. “You saw it and, as I just said, I tried to explain, but you were in no mood to listen to me.”
“Well, try again.”
Bliss said, “Don’t bully him, Trevize.”
“I’m not bullying him. I’m asking for information. And don’t you baby him.”
“Please,” said Pelorat, “listen to me, will you, and not to each other. —Do you remember, Golan, that we discussed early attempts to discover the origin of the human species? Yariff’s project? You know, trying to plot the times of settlement of various planets on the assumption that planets would be settled outward from the world of origin in all directions alike. Then, as we moved from newer to older planets, we would approach the world of origin from all directions.”
Trevize nodded impatiently. “What I remember is that it didn’t work because the dates of settlement were not reliable.”
“That’s right, old fellow. But the worlds that Yariff was working with were part of the second expansion of the human race. By then, hyperspatial travel was far advanced, and settlement must have grown quite ragged. Leapfrogging very long distances was very simple and settlement didn’t necessarily proceed outward in radial symmetry. That surely added to the problem of unreliable dates of settlement.
“But just think for a moment, Golan, of the Spacer worlds. They were in the first wave of settlement. Hyperspatial travel was less advanced then, and there was probably little or no leapfrogging. Whereas millions of worlds were settled, perhaps chaotically, during the second expansion, only fifty were settled, probably in an orderly manner, in the first. Whereas the millions of worlds of the second expansion were settled over a period of twenty thousand years; the fifty of the first expansion were settled over a period of a few centuries—almost instantaneously, in comparison. Those fifty, taken together, should exist in roughly spherical symmetry about the world of origin.
“We have the co-ordinates of the fifty worlds. You photographed them, remember, from the statue. Whatever or whoever it is that is destroying information that concerns Earth, either overlooked those co-ordinates, or didn’t stop to think that they would give us the information we need. All you have to do, Golan, is to adjust the co-ordinates to allow for the last twenty thousand years of stellar motions, then find the center of the sphere. You’ll end up fairly close to Earth’s sun, or at least to where it was twenty thousand years ago.”
Trevize’s mouth had fallen slightly open during the recital and it took a few moments for him to close it after Pelorat was done. He said, “Now why didn’t I think of that?”
“I tried to tell you while we were still on Melpomenia.”
“I’m sure you did. I apologize, Janov, for refusing to listen. The fact is it didn’t occur to me that—” He paused in embarrassment.
Pelorat chuckled quietly, “That I could have anything of importance to say. I suppose that ordinarily I wouldn’t, but this was something in my own field, you see. I am sure that, as a general rule, you’d be perfectly justified in not listening to me.”
“Never,” said Trevize. “That’s not so, Janov. I feel like a fool, and I well deserve the feeling. My apologies again—and I must now get to the computer.”
He and Pelorat walked into the pilot-room, and Pelorat, as always, watched with a combination of marveling and incredulity as Trevize’s hands settled down upon the desk, and he became what was almost a single man/computer organism.
“I’ll have to make certain assumptions, Janov,” said Trevize, rather blank-faced from computer-absorption. “I have to assume that the first number is a distance in parsecs, and that the other two numbers are angles in radians, the first being up and down, so to speak, and the other, right and left. I have to assume that the use of plus and minus in the case of the angles is Galactic Standard and that the zero-zero-zero mark is Melpomenia’s sun.”
“That sounds fair enough,” said Pelorat.
“Does it? There are six possible ways of arranging the numbers, four possible ways of arranging the signs, distances may be in light-years rather than parsecs, the angles in degrees, rather than radians. That’s ninety-six different variations right there. Add to that, the point that if the distances are light-years, I’m uncertain as to the length of the year used. Add also the fact that I don’t know the actual conventions used to measure the angles—from the Melpomenian equator in one case, I suppose, but what’s their prime meridian?”
Pelorat frowned.
“Now you make it sound hopeless.”
“Not hopeless. Aurora and Solaria are included in the list, and I know where they are in space. I’ll use the co-ordinates, and see if I can locate them. If I end up in the wrong place, I will adjust the co-ordinates until they give me the right place, and that will tell me what mistaken assumptions I am making as far as the standards governing the co-ordinates are concerned. Once my assumptions are corrected, I can look for the center of the sphere.”
“With all the possibilities for change, won’t it make it difficult to decide what to do?”
“What?” said Trevize. He was increasingly absorbed. Then, when Pelorat repeated the question, he said, “Oh well, chances are that the co-ordinates follow the Galactic Standard and adjusting for an unknown prime meridian isn’t difficult. These systems for locating points in space were worked out long ago, and most astronomers are pretty confident they even antedate interstellar travel. Human beings are very conservative in some ways and virtually never change numerical conventions once they grow used to them. They even come to mistake them for laws of nature, I think. —Which is just as well, for if every world had its own conventions of measurement that changed every century, I honestly think scientific endeavor would stall and come to a permanent stop.”
He was obviously working while he was talking, for his words came haltingly. And now he muttered, “But quiet now.”
After that, his face grew furrowed and concentrated until, after several minutes, he leaned back and drew a long breath. He said quietly, “The conventions hold. I’ve located Aurora. There’s no question about it. —See?”
Pelorat stared at the field of stars, and at the bright one near the center and said, “Are you sure?”
