"Dave," he said, in a curiously flat voice, "Are there any asteroids close to us?"
"Not according to the Ephemeris. Why?"
"Unless I'm crazy, there's something else out here- only a few miles away."
Bowman's first reaction was one of surprised disappointment. He had not expected Peter to start cracking up so soon, but perhaps that blow on the head had produced aftereffects. Not for a moment did he credit the report; space was so inconceivably empty that a close passage by any other object was almost a mathematical impossibility. Whitehead could only be suffering from hallucinations; it would be best to humor him.
But that thought had already occurred to Whitehead himself.
"No-I'm not seeing things," he said, almost as if he was reading Bowman's mind. "There it is again-it's flashing every ten or fifteen seconds. And it's definitely moving against the star background-it can't be more than five or ten miles away."
"Can you give me a bearing?"
Bowman still did not believe a word of it, but he started the wide-scan radar-and almost at once his jaw dropped in astonishment.
There was Whitehead's echo, now at twenty-two miles. But thirty degrees away from it, at considerably less range, was a far larger one.
"Christ!" he exclaimed, "you're right! And it's bloody enormous. Let me get a scope on it."
As he fed the radar coordinates to the telescope, and waited for the instrument to swing to the right quarter of the sky, his mind was a tumult of conflicting emotions. Perhaps they were both hallucinating; looked at dispassionately, that was the likeliest explanation.
And then, just for a few comforting seconds, a naive wish-fulfillment fantasy flashed through his mind. They were not alone; there was another ship out here, arriving to rescue Whitehead in the nick of time.... It could not, of course, be a ship from Earth; it could only be-
The star images stabilized. There in the center of the field was, without any question, something large and obviously artificial, glittering metallically as it turned slowly in the sun. With fingers that trembled slightly, Bowman zoomed up the magnification.
Then the fantasy dissolved, and for the first time he realized the full extent of the disaster that had overwhelmed the expedition. He knew now why none of the alarms had sounded when Whitehead's capsule had collided with the ship. In missing the hull, it had hit a target that was almost equally vital.
Receding there behind them, still spinning with the force of the impact, was the entire long- range antenna complex. The big forty-foot-diameter parabola, the smaller dishes clustered around it, the gear designed to aim their radio beams across half a billion miles of space-all were drifting slowly back toward the sun.
The runaway capsule that had doomed Peter Whitehead had also destroyed their only link with Earth.
"Funny thing," said Whitehead, as he passed the six hundred-mile mark, "but there are no messages I want to send, anyhow. I made all my goodbyes back on Earth; I'm glad I don't have to go through that again." He paused, then added; "There was a girl, but she told me she wouldn't be waiting. Just as well."
There was a curious detachment and lack of interest in Whitehead's voice. Already, it seemed, he was drifting away from the human race in spirit as well as in body. Perhaps the defensive mechanisms of the mind were quietly coming into play, extinguishing the fires of emotion, as the engineer of a sinking ship will close down his boilers lest they cause a last-minute explosion.
Presently he said: "I wish I could see Earth; a pity it's lost in the sun. But Jupiter looks beautiful; it seems so close already. I hope you make it-I hope you find what you're looking for."
"We'll do our best," answered Bowman, swallowing hard. "Don't worry about that." He wondered if Whitehead realized that he had said "you," not "we." Consciously or unconsciously, he had already removed himself from the roll call of the expedition.
The leaden minutes ticked slowly away, while Bowman waited with mingled grief and frustration. If Whitehead wished to be left to his own thoughts, so be it; he was not going to engage him in light chatter at moments such as this.
The radio circuit to the capsule was still heartbreakingly dear; there was no sense of distance or separation. Over such a trivial span of miles, the low-power transmitter in the Control Center was perfectly adequate. Though it was designed for communication with space pods working in the immediate vicinity of the ship, it had more than enough range for this task.
Then Whitehead said, quite unexpectedly: "There's one thing I'd like you to do for me, Dave."
"Of course."
"Play some music-something cheerful."
"What would you like?"
"The Pastoral, I think. Yes, that would do nicely."
Midway between Mars and Jupiter, two tiny, and slowly separating, bubbles of warmth and light began to reverberate to the sounds of spring. When the symphony had run its course and ebbed into silence, the pod was more than a thousand miles away.
It was still quite clearly recognizable in the telescope, though its finer details could no longer be seen. Every day, it would draw eight thousand miles further ahead of Discovery, and though its future position could be predicted to the end of time, it would soon be lost against the background of the stars.
"Dave," said Whitehead suddenly, "can you still hear me?" His voice sounded more animated-less remote and detached. It was as if he had made some decision, and was no longer drifting helplessly.
"I read you loud and clear."
"There's a job I still have to do. I want to find what went wrong. It won't make any difference now-but it may help someone else."
That thought had already passed through Bowman's mind, but he wanted the suggestion to come from Whitehead. He felt an absurd impulse to say "Be careful!" and managed to fight it down.
"What do you think happened?" he asked instead.
"I was in shadow for thirty minutes on that last job, and I noticed it was getting very cold; the heater system must have gone on the blink. Nothing really serious-but perhaps the cold cracked one of the pipelines. I guess there was a leak; some propellant may have got out, and then frozen on the controls. I still don't see how it was possible, but it's the only theory that makes sense. Anyway, I'm going out to check it. I have thirty minutes of air in this suit. I'll call you back as soon as I've depressurized the capsule."
"I'll be listening out," said Bowman. He found it very hard to say anything-even to make the simplest responses. The feeling of utter helplessness and inadequacy still overwhelmed him; the sense of loneliness would come later.
He knew exactly what Whitehead was attempting to do. When he had depressurized the capsule, he would open the hatch and work his way, hand over hand, around to the propulsion unit at the rear. It would not be hard for him to take off the protective covers, and perhaps he could see what had gone wrong. It was not very likely, but it was worth trying. And certainly it was better than waiting passively for the end.
One minute-two minutes-went by. Surely he had made the trip by now!
"Peter-have you found anything?" Bowman called at last.
There was no answer. He called again, and again.
Then he began to wonder. Perhaps something had gone wrong-but if so, was it really an accident this time?
Once more he called out into the unreverberant silence, but already he was certain that he would never know the answer.
There were times when the greatest heroism consisted of dying quietly, without making a fuss. This Peter Whitehead had done; no one could ask for more.
And two months from now, a million miles ahead of his comrades, he would be the first of all men to reach Jupiter.
THE SMELL OF DEATH
Hours ago, Bowman knew very well, he should have awakened his back-up. But while Whitehead was still alive, he had not the heart to do so; it would have been too final an admission of hopelessness. Now he would delay it no longer, for his own peace of mind as much as for the safety of the ship. He felt a desperate need to hear a human
voice again; never before had he realized so dearly that man was a social animal, and could not long survive in isolation. And no man before, since the beginning of history, had known such isolation as this.
Bowman made his way slowly through the silent passageways; somehow the ship already seemed empty, like a deserted house. He drifted down the axis of the carousel, and when he was gripped by its centrifugal field the sudden return of weight almost made him collapse. Though he wanted to lie down and rest, if he gave way to this impulse he did not know when he would wake again. He was the ship's only human guardian now; he could not sleep while he was still on duty.
Luckily, the revival procedure was automatic, there was nothing he had to do, no stages where he could make an error through tiredness. Once he had given Athena her orders, she would carry them out with superhuman infallibility.
In Kelvin Poole's room all was cold and silent, as it had been for the last five months. The biosensor display was normal; respiration, body temperature, blood pressure, heartbeat were all inside the safety limits. And according to Athena, who alone could interpret it, the EEG was also satisfactory for a hibernating man.
Bowman broke the seal on the REVIVAL switch, pressed the button, and waited. First, the electronarcosis current would be switched off. There was no apparent physical change in the sleeping man, but at once the dancing waves of the EEG display increased in amplitude and became more complex. Slowly, and perhaps reluctantly the brain of Kelvin Poole was turning back from the world of dreams.
Two minutes later, Athena triggered the hypodermic strapped to Poole's forearm; Bowman could hear the tiny hiss as high-pressure gas forced the stimulants through the skin. Now he should see the first reaction, normally it came in about thirty seconds.
He was not worried when nothing happened for well over a minute. Then Poole's eyelids started to flutter, and he gave a slow yawn. His diaphragm began to heave with normal respiration, and he rolled his head slightly to the side.
A minute later, he opened his eyes, and stared vacantly through Bowman, like a newborn baby still unable to focus upon the external world. But presently awareness came into his gaze, and his lips began to move. It was impossible to hear what he was saying, if indeed he had enunciated any words at all
"Take it easy, Kel," said Bowman. "Everything's O.K." He only wished that this were true.
Again Poole's lips moved, and now his voice was just audible as a faint sibilation, producing no intelligible sounds. At the same moment, Athena spoke.
"Poole cardiogram abnormal. Recommend injection H.6."
Bowman grabbed the hypodermic from the emergency medical kit. He fired it into Poole's arm, then anticipating the worst, broke out the autorespiration mask and its attached oxygen cylinder.
But the shot seemed to be working. Poole was obviously quite conscious, though his chest was heaving erratically. He looked straight at Bowman, and his lips began to move again. At last he spoke-only two words, laden with sadness and regret, banishing all hope with their finality.
"Goodbye, Dave."
Bowman's paralysis lasted little more than a second: it was broken when Athena's calm, impersonal voice announced:
"All systems of Poole now No-Go. It will be necessary to replace him with a spare unit."
"Shut up, damn you!" yelled Bowman, as he clamped the mask over Poole's face and switched on the oxygen. The gas began to pulse through the plastic tubes, the noise it made sounding like a horrible parody of human breathing. Though he knew that it was no use, he continued until the oxygen was exhausted, and all the biosensor displays showed flat, featureless lines.
Kelvin Poole lay calm and quiet again; it was impossible to tell that he was no longer in hibernation. But to David Bowman, commander of the only ship beyond the orbit of Mars, it seemed that the gently circulating air around him already carried the smell of Death.
ALONE
Bowman did not remember leaving Poole's spinning tomb in the carousel, but now he was back on the Control Deck, looking out at the unchanging stars. He was in a state of shock, going about his business like a machine, and hardly aware of any emotion. Though he felt unutterably tired, it seemed that he could carry on forever, as sleepless as Athena, while there was still work to be done and decisions to be made.
Tragedy had snowballed into disaster; what had now happened could be far more serious than the loss of Whitehead. Poole's death might be another accident, or a piece of sheer bad luck that would never occur again. But if something was fundamentally wrong with the revival process, his sleeping shipmates were already doomed. And he with them; for he could not handle Discovery alone, when the time came to steer her into her final orbit.
This was not a situation anyone had been pessimistic enough to imagine; no procedure had been laid down to deal with it. When some utterly unexpected problem arose, his orders were to consult with Earth, if time permitted. He had the time; no one had ever dreamed that he would lack the ability. For if any part of the radio equipment failed, it could always be repaired or replaced; the only item that had not been duplicated, because of its size and weight, was the antenna assembly. Who would have imagined that anything could ever demolish that system, short of wrecking the ship itself? It was not, in the jargon of the designers, a credible accident; but it had occurred.
The loss of the antenna had not only made it impossible to obtain medical advice from Earth; it had endangered the whole purpose of the mission. Whatever they might discover when they reached Jupiter, they would have no way of reporting it home.
There was one slim chance of saving the situation. The antenna was not many miles distant and traveling away from the ship at a relatively low speed. He might be able to retrieve it and effect temporary repairs; even if he could not do so, perhaps Kimball and the others would succeed-as long as he recaptured the lost equipment before it was forever out of reach.
He took careful measurements of speed and velocity with the ship's radar, then made estimates of the mass that was now drifting away into space. He fed the information into Athena, set up the problem, and watched the answer flash on the display before he could even lift his finger from the keys.
Yes, a fully fueled and provisioned pod could do it, if he acted now and if everything went smoothly. But time was fast running out; the chance of success diminished with every passing minute. If he did not leave within the next few hours, the operation would be impossible.
Like most space missions, it involved subtle trade-offs between time and speed and payload, and the answer was not at all obvious. Merely to get to the drifting antenna was easy enough; the pod could make the round trip in four or five hours-if it had nothing else to do. But Bowman had to hold in reserve a substantial portion of his total fuel for the task of slowing down the runaway equipment, and then turning it back toward the ship. This drastically reduced the overall performance of his little vehicle, by limiting the speed it could obtain. The outward trip would take five hours, the return run another five- and the capsule carried oxygen for only twelve hours.
Two hours to grapple the antenna and reverse its velocity; that seemed an adequate margin of time, though he would have preferred more. He was well aware of the risks, but they were not so great that a reasonable man would be deterred by them. Whitehead's mishap would not occur again in a million hours of operational time; the worst dangers were those of carelessness, for space was pitilessly unforgiving of mistakes. And though he would be leaving the ship without a human watcher at the controls, Athena could handle the situation. If he did not come back, in a few hours she would awaken the next man. He was not endangering his sleeping colleagues; indeed, he was increasing their chances of life, and of completing the mission successfully.
When he had satisfied himself that there was no flaw in his logic, he entered his decision in the log. Then, swiftly but conscientiously, he made his preparations to leave the ship. He was not going alone, for he had a second task to perform.
He had also to consign Kelvin Pool
e to the deeps of space.
Space capsule Alice hung in the airlock, holding her somber cargo in her mechanical arms like a robot Pieta. Bowman had checked and double-checked her systems: he was ready to go.
"Mary Sarah Alice," he ordered Athena. "Pumping sequence start."
"Mary Sarah Alice," Athena should have echoed. "Pumping sequence start." But she did nothing of the sort.
Her immediate response was a sound that Bowman had never heard before, except during practice runs. It was a high-pitched PING-PING-PING, completely distinctive and quite unmistakable. He knew exactly what it meant, but in case he had forgotten, Athena reminded him.
"Order violates Directive Fifteen," she said. "Please cancel or amend."
Bowman cursed silently. It was no good arguing with Athena, she had her instructions-her built-in laws-and she would obey them. This was something he should have remembered, and the error was alarming, though understandable in the circumstances. He was very tired and under a great strain; what else might he also have forgotten?
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