"Oh no!" gasped Irene. "You don't suppose they had a mike in there?!"
"If there is," said Kimball ominously, "we're not the ones in trouble. I have to authorize all circuit changes, and I'm damned if I ever said anything about mikes in suit lockers."
He realized, a little belatedly, that Irene might have a different point of view. Before she could express it, he kissed her firmly, said, "Give me a couple of minutes to get clear," and dived through the door.
Two hours later, just as he was about to reenter atmosphere, he suddenly realized that he had forgotten to say goodbye. Oh well, he would have to phone from Washington.
There were fewer complications that way.
Dr. Kelvin Poole was a hundred feet down, in the Cornell Underwater Lab off Bimini, when he received his orders. Like all aerospace physiologists, he was fascinated by the problems of submarine existence, but he had a particular reason for returning to the sea. His specialty was the study of sleep and the rhythms which seemed to control the activities of all living creatures. In the open sea, and at depths where the sunlight never penetrated, those rhythms were disturbed; it even appeared that some fish never slept at all, and Kelvin Poole wanted to know how they managed this remarkable feat.
He was supposed to be working, but the view from the window was not only distractingly beautiful-it was hypnotically restful. The water was so clear that he could see almost two hundred feet, and at a guess his field of view contained ten thousand fish of fifty different species-as well as several dozen varieties of coral. At this depth though the sunlight was still brilliant, it had lost all its red and orange hues; the world of the reef was tinged a mellow bluish- green, very soothing to the eyes. It looked incredibly peaceful-an underwater Eden that knew nothing of sin or death.
Nor was that wholly an illusion, now that the sun was still high. From time to time a barracuda or a shark would go patrolling past, without creating the slightest concern or alarm among its myriad of potential victims. During all the daylight hours while he had been staring out of the window of the biology lab, Poole had never once seen one fish attack or eat another. Only at dawn and sunset was the truce suspended, and the reef became the scene of a thousand brief and deadly battles.
He was watching one of the submarine scooters returning to the garage fifty feet away, towing plankton nets and recording gear behind it, when the telephone rang. Switching off the centrifuge that was rather noisily separating some protein samples, he picked up the receiver and answered, "Poole here."
He listened carefully for a minute, sometimes nodding his head in agreement, occasionally pursing his lips in disapproval.
"Of course," he said at last. "It's perfectly practical- you've read my report. There's an element of risk-but I'm still fit, and I've done it seven-no, eight-times. But why the rush? . . . Well, if that's the way it is . . . Yes, of course, I can fly to Washington in an hour, if you have a jet here-but there's one big snag."
He looked at the roof overhead, and contemplated the hundred feet of water above the metal shell of the lab. On dry land, he could walk that distance in twenty seconds- but he had been down here, living at a pressure of four atmospheres, for almost a month.
This was going to be rather hard to explain. No one had ever found a safe way of accelerating the decompression process; Poole had seen the "bends" just once in his life, and he had a hearty respect for this dreaded divers' sickness. He had no intention of turning his bloodstream into soda water, or even risking a single bubble of compressed air in some inconvenient artery.
One could not argue with the laws of physics, Washington would simply have to accept the rather surprising facts.
It was going to take him just as long to ascend through that mere hundred feet of water above his head, as it would to come homeward from the Moon.
WITH OPEN HANDS
At first, there was some criticism of the risks being taken, but this slowly faded with the passage of time. The world began to appreciate the skill and care that were being poured into the mission, and to realize that this was no desperate, do-or-die stunt. At every opportunity, the astronauts themselves expressed full confidence in success; and they were the ones whose opinions really mattered.
Moreover, the ominous, silent presence of TMA-1 was now beginning to affect all mankind. The initial excitement had worn off, to be replaced by an undercurrent of anxious apprehension, and a determination to discover the truth as soon as was humanly possible. Until the meaning of that black pyramid was known, the whole world was in a state of uncertainty, unable to make any long-range plans.
For two diametrically opposite reasons, those involved in such vast international engineering projects as the Sahara Irrigation Scheme, the Gibraltar Dam, and the Sargasso Sea Farms now felt unable to commit themselves to the billions of dollars and decades of work required. It would obviously be foolish to plow vast resources into such enterprises, if there were hostile forces out there in space which might suddenly undo the toil of ages.
The second argument was more subtle, but in its way just as enervating. The creatures who had built TMA-1 were clearly far more advanced than mankind; suppose they were prepared to share their knowledge? To struggle ahead without their aid might be like building dams and roads with bare hands-while they had the equivalent of bulldozers and earthmovers.
Mankind was becoming slowly paralyzed by ignorance, and there were some who clamored for an all-out assault on TMA-1 itself with every weapon of scientific research. These appeals had been resisted; whatever secrets the pyramid held would probably be destroyed in the attempt to reach them. Moreover, it might have ways of defending itself-and there was the still more disturbing possibility that its makers, if not far away, would be annoyed by any action that damaged their property.
The stock market was particularly affected. It first took a mild dip, then rose again on the hunch that space issues would lead a general upward surge. "After all," an analyst wrote, "this could open up vast new markets for some industries." But no one was at all certain of what "they" might want to buy, or what "they" might use to buy it
One bright fellow negotiated a deal with several of the leading motion-picture distribution companies to buy the extraterrestrial rights to their entire library of back films- excluding the Moon, which had already been annexed by MGM.
Very privately, heads of government were deeply concerned about the possible threat such an incredibly advanced society might represent. No one could give a completely plausible reason why they might be hostile, but it was a possibility which could not be ignored.
A high-level, top-secret, military commission was set up by the major powers to study the possibilities of global defense. It would be unwise, they felt, to believe our weapons systems would mean a great deal against a culture at least three million years older, but a nuclear explosion might be annoying enough to deter a hostile but insufficiently motivated alien society. "We have absolute supremacy over a wasp's nest," one general explained, "but unless we have a damned good reason, we'll leave it alone."
Though this was mildly reassuring, most pessimists felt the problem would not be that "they" were invulnerable to a nuclear explosion-but that our delivery systems might be like Brazilian headhunters trying to spear lowflying supersonic aircraft.
The optimists refused to believe that an advanced extraterrestrial society would behave in a hostile manner. They felt that the fantastic knowledge of three million years must bring an equivalent advance in ethics and morality- or else, it was argued, any society would eventually destroy itself.
In countless subtle ways, that silent pyramid was leaving its mark upon the world. It had long been predicted that only an external threat could really unite mankind; this prediction now appeared to be coming true. Behind the scenes, statesmen were already at work, trying to end the national rivalries that had been in existence so long, and of which few could remember the origin. There was even a chance that the concept of world government, that battered dream of the
idealists, would soon become reality, though for reasons that were hardly idealistic.
And as far as the mission was concerned, one vital matter of policy had already been decided-even though there were some who considered that it was taking good manners beyond the point of common sense.
The human race, until it knew what it was up against, would be well behaved. Whatever preparations might be made back on Earth, no weapons of any kind would be carried to Jupiter.
Man's emissaries would go into the unknown with open hands.
UNIVERSE
"But this is absurd," protested Victor Kaminski. "I'm not a bloody film star."
"Agreed," said Jules Manning, the Space Agency's Director of Public Affairs. "But you are the best-known astronomer in the world. If you do the commentary, we'll multiply the audience many times over. And the major networks will rush to carry it-especially as it won't cost them anything.
"I'm not even a particularly good astronomer-only a particularly healthy one, unaddicted to cannibalism, homosexuality, postnasal drip, and similar habits Not Wanted on Voyage. Or so the psychologists tell me."
"Seriously, Victor-you'll be doing the whole project a great service, and it won't take much of your time. Once you've read the script, the whole job can be done in an afternoon."
"I don't have any afternoons. Is it really all that important?"
"We think so. The last survey was rather depressing. Even now, twenty-three percent of the public thinks that the Sun is nearer than the Moon, that there are only a few thousand stars, and that they're not very big anyway. You can strike a major blow for education, and for astronomy if you'll go along with this."
"I'll make a deal-I'll speak the introduction. But I'm damned if I'll deliver the whole commercial-you'll have to get one of your tame actors for that. Agreed?"
"Agreed," said Manning promptly. He knew that half a loaf was better than no loaf at all. And, with a little patience and persuasion, he might yet get the other half as well.
MAN IS THE MEASURE OF ALL THINGS, burned the slogan on the screen, then, superimposed on the lettering, appeared da Vinci's famous drawing of the standing human figure inscribed in a circle.
"If this statement is indeed true, and not vanity," began the commentator, "we can use man as a yardstick to measure the universe. Of course, he is a very short yardstick; so let us multiply him a thousandfold...."
The camera zoomed away, the figure dwindled until it was barely visible. Then it reproduced itself hundreds of times, to form a dotted line-one side of an empty square.
"Here is our man-our yardstick-one thousand times repeated. That square is a mile* on a side. Now we'll keep on changing scale-a thousandfold each time-until we have reached the edge of the known universe. And because we'll have to make quite a few jumps, let us write down the scale factor as a reminder."
*Hopefully, by 2001 even the U.K. and the U.S. will have joined the civilized world and adopted the metric system.
The number 1000 appeared on the bottom of the screen. Then the square began to shrink, the digits blurred swiftly-and a new square appeared, with the number 1,000,000 beneath it. This 1000-mile-on-a side square was superimposed on the eastern seaboard of the United States; the original one-mile square was still just visible, marked by an arrow.
"Now we jump again, another thousand times...."
The number 1,000,000,000 came up, and in the million mile-wide square on the screen appeared Earth and Moon, looking quite small.
"Now we are out into astronomical space, and we are dealing with numbers that are already too large for comprehension. We need a more convenient measure, and we can get it by using the fastest thing in the universe-light itself. .
"A beam of light could go round our entire globe seven times in a single second...."
Here a glowing spot appeared beside the Earth, and blurred into a circle as it orbited the globe once every seventh of a second.
"And it takes just over a second to reach the Moon...."
The spot broke away from its orbit, and sailed across to the tiny disk of the Moon, taking 1 1/4 seconds for the trip.
"Now our next thousand-to-one jump-the fourth since we started with that man, back on Earth...."
Here were all the planets out to Jupiter-the whole inner Solar System: Sun, Mercury, Venus, Earth, Mars, and Jupiter itself.
"On this scale, the planets are too small to be seen, we can only show their orbits. The picture is a billion miles on a side; light or radio waves would cross it in just over an hour. It shows the volume of space we have begun to explore; by our standards, it is enormous. All the men who have ever lived, laid end to end, would span about one tenth of it. But by the standards of the Universe, it is nothing. Here comes jump number five...."
The square shrank again; the number 1,000,000,000,000,000 flickered on to the screen. In the center of the new square, there was just one shining point-the Sun.
"The planets, of course, have vanished completely. But notice this-for the first time, nothing new has entered the picture. Even this huge jump has not taken us to the very nearest of the stars.
"If we wish to see them, we must jump again...."
1,000,000,000,000,000,000 flashed up, now the new square was dotted with dozens of tiny points of light.
"At last we enter the realm of the stars. There are a few hundred of them in this picture, which light takes 150 years to cross-the light which, remember, went from Earth to Moon in little more than a second. Of these stars, our own Sun is a perfectly average specimen. And because it is so average-so normal-we believe that many of the other stars are accompanied by similar planets, though they are too distant for our telescopes to show them. More than that-we also feel certain that many of those planets must have life.
"On this scale, the stars-our neighboring suns-appear scattered at random. But when we make the next, and seventh, thousandfold jump, we see that they form a pattern...."
Up came the number 1,000,000,000,000,000,000,000, and now even the individual stars had vanished. There was only a great spiral of glowing mist, almost filling the outlines of the square.
"This is the Galaxy-the slowly turning city of stars of which our Sun is a modest suburbanite-somewhere about here."
An arrow pointed to a region two-thirds of the way out from the center of the spiral.
"It takes light a hundred thousand years to cross this immense whirlpool of suns-this island universe. And it is turning so slowly that it has made only a dozen revolutions since life began on Earth.
"Call this the Home Galaxy, if you wish. The stars you see in the night sky are merely the local residents-most of them very close at hand. The more distant ones form the glowing background we call the Milky Way.
"And how many stars, how many suns, would you guess that the whole Galaxy contains? If you said a few million, you would be hopelessly in error. A few billion would be better; there are, in fact, about a hundred billion stars in the Galaxy. Every one of those a sun-thirty of them to every man, woman, and child now alive.
"We will return to our own Galaxy again-after we have seen the still greater background of which it is a tiny part. So once more we multiply our scale a thousand times....
"Yes, it looks like a field of stars. But it is not: each of those tiny smudges of light is a whole galaxy-this one might be ours. Our splendid star-city of a hundred billion suns, now reduced to a faint star itself. It would take light a hundred and fifty million years to cross this picture; this is how far we have gone in eight jumps, each of a thousand times, from the man we started with....
"But now-at last!-we are coming to the end of the line. For if we make one more jump, we run out of space itself...."
In the center of the screen, filling only a small fraction of the square frame that had surrounded each of the earlier pictures, was a globe of light. Its edges were slightly diffuse, fading away into the nothingness around it.
"This may be all of Creation-the Universe of Galaxies. Beyond this region, o
ur most powerful telescopes cannot penetrate; indeed, there may be no beyond. For out at the cosmic horizon, at the ultimate limits of our vision, the galaxies themselves are disappearing from our sight, as if falling over the edge of space. What happens here we do not know; it may well be something which our minds can never grasp.
"So let us return from these far reaches, back to our Home Galaxy, with its hundred billion suns...."
The shining globe of the Cosmic All expanded at a dizzying speed. Presently its uniform glow broke up into tiny grains of light; these too expanded and drove apart. The screen was once more full of little whirlpools and spirals-some tangled in clusters, some alone. One of them grew and grew until it spanned the sky, and its raveled edges condensed into knots of stars.
"Our home galaxy, again, with its hundred billion suns," repeated the commentator, "most of them are little suns like our own-too small to be visible on this scale. All those you see here are giants; ours is only a dwarf, despite its overwhelming importance to us.
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