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"Listen," he said, let's go somewhere where we won't bother the rest of the fellows. I want to ask some questions."
The aged astronomer frowned sourly at him, but Sheerin chirped up, "Certainly. It will do me good to talk. It always does. Aton was telling me about your ideas concerning world reaction to a failure of the prediction - and I agree with you. I read your column pretty regularly, by the way, and as a general thing I like your views."
"Please, Sheerin," growled Aton.
"Eh? Oh, all right. We'll go into the next room. It has softer chairs, anyway."
There were softer chairs in the next room. There were also thick red curtains on the windows and a maroon carpet on the floor. With the bricky light of Beta pouring in, the general effect was one of dried blood.
Theremon shuddered. "Say, I'd give ten credits for a decent dose of white light for just a second. I wish Gamma or Delta were in the sky."
"What are your questions?" asked Aton. "Please remember that our time is limited. In a little over an hour and a quarter we're going upstairs, and after that there will be no time for talk."
"Well, here it is." Theremon leaned back and folded his hands on his chest. "You people seem so all-fired serious about this that I'm begi
Aton exploded, "Do you mean to sit there and tell me that you've been bombarding us with ridicule without even finding out what we've been trying to say?"
The columnist gri
"No, you don't. No, you don't," broke in Sheerin. "If you ask Aton for that - supposing him to be in the mood to answer at all - he'll trot out pages of figures and volumes of graphs. You won't make head or tail of it. Now if you were to ask me, I could give you the layman's standpoint."
"All right; I ask you."
"Then first I'd like a drink." He rubbed his hands and looked at Aton.
"Water?" grunted Aton.
"Don't be silly!"
"Don't you be silly. No alcohol today. It would be too easy to get my men drunk. I can't afford to tempt them."
The psychologist grumbled wordlessly. He turned to Theremon, impaled him with his sharp eyes, and began.
"You realize, of course, that the history of civilization on Lagash displays a cyclic character - but I mean cyclic!"
"I know," replied Theremon cautiously, "that that is the current archaeological theory. Has it been accepted as a fact?"
"Just about. In this last century it's been generally agreed upon. This cyclic character is - or rather, was - one of the great mysteries. We've located series of civilizations, nine of them definitely, and indications of others as well, all of which have reached heights comparable to our own, and all of which, without exception, were destroyed by fire at the very height of their culture.
"And no one could tell why. All centers of culture were thoroughly gutted by fire, with nothing left behind to give a hint as to the cause."
Theremon was following closely. "Wasn't there a Stone Age, too?"
"Probably, but as yet practically nothing is known of it, except that men of that age were little more than rather intelligent apes. We can forget about that."
"I see. Go on!"
There have been explanations of these recurrent catastrophes, all of a more or less fantastic nature. Some say that there are periodic rains of fire; some that Lagash passes through a sun every so often; some even wilder things. But there is one theory, quite different from all of these, that has been handed down over a period of centuries."
"I know. You mean this myth of the "Stars" that the Cultists have in their Book of Revelations."
"Exactly," rejoined Sheerin with satisfaction. "The Cultists said that every two thousand and fifty years Lagash entered a huge cave, so that all the suns disappeared, and there came total darkness all over the world! And then, they say, things called Stars appeared, which robbed men of their souls and left them unreasoning brutes, so that they destroyed the civilization they themselves had built up. Of course they mix all this up with a lot of religio-mystic notions, but that's the central idea."
There was a short pause in which Sheerin drew a long breath. "And now we come to the Theory of Universal Gravitation." He pronounced the phrase so that the capital letters sounded - and at that point Aton turned from the window, snorted loudly, and stalked out of the room.
The two stared after him, and Theremon said, "What's wrong?"
"Nothing in particular," replied Sheerin. "Two of the men were due several hours ago and haven't shown up yet. He's terrifically short-handed, of course, because all but the really essential men have gone to the Hideout."
"You don't think the two deserted, do you?"
"Who? Faro and Yimot? Of course not. Still, if they're not back within the hour, things would be a little sticky." He got to his feet suddenly, and his eyes twinkled. "Anyway, as long as Aton is gone - "
Tiptoeing to the nearest window, he squatted, and from the low window box beneath withdrew a bottle of red liquid that gurgled suggestively when he shook it.
"I thought Aton didn't know about this," he remarked as he trotted back to the table. "Here! We've only got one glass so, as the guest, you can have it. I'll keep the bottle."
And he filled the tiny cup with judicious care.
Theremon rose to protest, but Sheerin eyed him sternly. "Respect your elders, young man."
The newsman seated himself with a look of anguish on his face. "Go ahead, then, you old villain."
The psychologist's Adam's apple wobbled as the bottle upended, and then, with a satisfied grunt and a smack of the lips, he began again. "But what do you know about gravitation?"
"Nothing, except that it is a very recent development, not too well established, and that the math is so hard that only twelve men in Lagash are supposed to understand it."
"Tcha! Nonsense! Baloney! I can give you all the essential math in a sentence. The Law of Universal Gravitation states that there exists a cohesive force among all bodies of the universe, such that the amount of this force between any two given bodies is proportional to the product of their masses divided by the square of the distance between them."
"Is that all?"
"That's enough! It took four hundred years to develop it."
"Why that long? It sounded simple enough, the way you said it."
"Because great laws are not divined by flashes of inspiration, whatever you may think. It usually takes the combined work of a world full of scientists over a period of centuries. After Genovi 41 discovered that Lagash rotated about the sun Alpha rather than vice versa - and that was four hundred years ago - astronomers have been working. The complex motions of the six suns were recorded and analyzed and unwoven. Theory after theory was advanced and checked and counterchecked and modified and abandoned and revived and converted to something else. It was a devil of a job."
Theremon nodded thoughtfully and held out his glass for more liquor. Sheerin grudgingly allowed a few ruby drops to leave the bottle.
"It was twenty years ago," he continued after remoistening his own throat, "that it was finally demonstrated that the Law of Universal Gravitation accounted exactly for the orbital motions of the six suns. It was a great triumph."
Sheerin stood up and walked to the window, still clutching his bottle. "And now we're getting to the point. In the last decade, the motions of Lagash about Alpha were computed according to gravity, and if did not account for the orbit observed; not even when all perturbations due to the other suns were included. Either the law was invalid, or there was another, as yet unknown, factor involved."