Rama Omnibus

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by Arthur C.


  The diplomats were obviously somewhat baffled by this exchange, and the astronomer refused to be drawn. He had gone out on enough limbs for one day.

  'I'll stick to the laws of physics, if you don't mind, until I'm forced to give them up. If we've not found any gyroscopes in Rama, we may not have looked hard enough, or in the right place.'

  Ambassador Bose could see that Dr. Perera was getting impatient. Normally, the exobiologist was as happy as anyone else to engage in speculation; but now, for the first time, he had some solid facts. His long-impoverished science had become wealthy overnight.

  'Very well—if there are no other comments—I know that Dr. Perera has some important information.'

  'Thank you, Mr. Ambassador. As you've all seen, we have at last obtained a specimen of a Raman life form, and have observed several others at close quarters. Surgeon-Commander Ernst, Endeavour's medical officer, has sent a full report on the spider-like creature she dissected. I must say at once that some of her results are baffling, and in any other circumstances I would have refused to believe them.'

  'The spider is definitely organic, though its chemistry differs from ours in many respects—it contains considerable quantities of light metals. Yet I hesitate to call it an animal, for several fundamental reasons.'

  'In the first place, it seems to have no mouth, no stomach, no gut—no method of ingesting food! Also no air intakes, no lungs, no blood, no reproductive system…'

  'You may wonder what it has got. Well, there's a simple musculature, controlling its three legs and the three whiplike tendrils or feelers. There's a brain—fairly complex, mostly concerned with the creature's remarkably developed triocular vision. But eighty per cent of the body consists of a honeycomb of large cells, and this is what gave Dr. Ernst such an unpleasant surprise when she started her dissection. If she'd been luckier she might have recognized it in time, because it's the one Raman structure that does exist on Earth—though only in a handful of marine animals.'

  'Most of the spider is simply a battery, very much like that found in electric cells and rays. But in this case, it's apparently not used for defence. It's the creature's source of energy. And that is why it has no provisions for eating and breathing; it doesn't need such primitive arrangements. And incidentally, this means that it would be perfectly at home in a vacuum…'

  'So we have a creature which, to all intents and purposes, is nothing more than a mobile eye. It has no organs of manipulation; those tendrils are much too feeble. If I had been given its specifications, I would have said it was merely a reconnaissance device.'

  'Its behaviour certainly fits that description. All the spiders ever do is to run around and look at things. That's all they can do…'

  'But the other animals are different. The crab, the starfish, the sharks—for want of better words—can obviously manipulate their environment and appear to be specialized for various functions. I assume that they are also electrically powered since, like the spider, they appear to have no mouths.'

  'I'm sure you'll appreciate the biological problems raised by all this. Could such creatures evolve naturally? I really don't think so. They appear to be designed like machines, for specific jobs. If I had to describe them, I would say that they are robots—biological robots—something that has no analogy on Earth.'

  'If Rama is a spaceship, perhaps they are part of its crew. As to how they are born—or created—that's something I can't tell you. But I can guess that the answer's over there in New York. If Commander Norton and his men can wait long enough, they may encounter increasingly more complex creatures, with unpredictable behaviour. Somewhere along the line they may meet the Ramans themselves—the real makers of this world.'

  'And when that happens, gentlemen, there will be no doubt about it at all…'

  CHAPTER 35

  SPECIAL DELIVERY

  COMMANDER NORTON WAS sleeping soundly when his personal communicator dragged him away from happy dreams. He had been holidaying with his family on Mars, flying past the awesome, snow-capped peak of Nix Olympica—mightiest volcano in the solar system. Little Billie had started to say something to him; now he would never know what it was.

  The dream faded; the reality was his executive officer, up on the ship.

  'Sorry to wake you, Skipper,' said Lieutenant-Commander Kirchoff. 'Triple A priority from Headquarters.'

  'Let me have it,' Norton answered sleepily.

  'I can't. It's in code—Commander's Eyes Only.'

  Norton was instantly awake. He had received such a message only three times in his whole career, and on each occasion it had meant trouble.

  'Damn!' he said. 'What do we do now?'

  His Exec did not bother to answer. Each understood the problem perfectly; it was one that Ship's Orders had never anticipated. Normally, a commander was never more than a few minutes away from his office and the codebook in his personal safe. If he started now, Norton might get back to the ship—exhausted—in four or five hours. That was not the way to handle a Class AAA Priority.

  'Jerry,' he said at length. 'Who's on the switchboard?'

  'No one; I'm making the call myself.'

  'Recorder off?'

  'By an odd breach of regulations, yes.'

  Norton smiled. Jerry was the best Exec he had ever worked with. He thought of everything.

  'OK. You know where my key is. Call me back.'

  He waited as patiently as he could for the next ten minutes, trying—without much success—to think of other problems. He hated wasting mental effort; it was very unlikely that he could outguess the message that was coming, and he would know its contents soon enough. Then he would start worrying effectively.

  When the Exec called back, he was obviously speaking under considerable strain.

  'It's not really urgent Skipper—an hour won't make any difference. But I prefer to avoid radio. I'll send it down by messenger.'

  'But why—oh, very well—I trust your judgement. Who will carry it through the airlocks?'

  'I'm going myself; I'll call you when I reach the Hub.'

  'Which leaves Laura in charge.'

  'For one hour, at the most. I'll get right back to the ship.'

  A medical officer did not have the specialized training to be acting commander, any more than a commander could be expected to do an operation. In emergencies, both jobs had sometimes been successfully switched; but it was not recommended. Well, one order had already been broken tonight…

  'For the record, you never leave the ship. Have you woken Laura?'

  'Yes. She's delighted with the opportunity.'

  'Lucky that doctors are used to keeping secrets. Oh—have you sent the acknowledgement?'

  'Of course, in your name.'

  'Then I'll be waiting.'

  Now it was quite impossible to avoid anxious anticipations. 'Not really urgent—but I prefer to avoid radio…'

  One thing was certain. The Commander was not going to get much more sleep this night.

  CHAPTER 36

  BIOT WATCHER

  SERGEANT PIETER ROUSSEAU knew why he had volunteered for this job; in many ways, it was a realization of a childhood dream. He had become fascinated by telescopes when he was only six or seven years old, and much of his youth had been spent collecting lenses of all shapes and sizes. These he had mounted in cardboard tubes, making instruments of ever-increasing power until he was familiar with the moon and planets, the nearer space stations, and the entire landscape within thirty-kilometres of his home.

  He had been lucky in his place of birth, among the mountains of Colorado; in almost every direction, the view was spectacular and inexhaustible. He had spent hours exploring, in perfect safety, the peaks which every year took their toll of careless climbers. Though he had seen much, he had imagined even more; he had liked to pretend that over each crest of rock, beyond the reach of his telescope, were magic kingdoms full of wonderful creatures. And so for years he had avoided visiting the places his lenses brought to him, because he knew
that the reality could not live up to the dream.

  Now, on the central axis of Rama, he could survey marvels beyond the wildest fantasies of his youth. A whole world lay spread out before him—a small one, it was true, yet a man could spend an entire lifetime exploring four thousand square kilometres, even when it was dead and changeless.

  But now life, with all its infinite possibilities, had come to Rama. If the biological robots were not living creatures, they were certainly very good imitations.

  No one knew who invented the word 'biot'; it seemed to come into instant use, by a kind of spontaneous generation. From his vantage point on the Hub, Pieter was Biot-Watcher-in-Chief, and he was beginning—so he believed—to understand some of their behaviour patterns.

  The Spiders were mobile sensors, using vision—and probably touch—to examine the whole interior of Rama. At one time there had been hundreds of them rushing around at high speed, but after less than two days they had disappeared; now it was quite unusual to see even one.

  They had been replaced by a whole menagerie of much more impressive creatures; it had been no minor task, thinking of suitable names for them. There were the Window Cleaners, with large padded feet, who were apparently polishing their way the whole length of Rama's six artificial suns. Their enormous shadows, cast right across the diameter of the world, sometimes caused temporary eclipses on the far side.

  The crab that had demolished Dragonfly seemed to be a "scavenger". A relay chain of identical creatures had approached Camp Alpha and carried off all the debris that had been neatly stacked on the outskirts; they would have carried off everything else if Norton and Mercer had not stood firm and defied them. The confrontation had been anxious but brief; thereafter the Scavengers seemed to understand what they were allowed to touch, and arrived at regular intervals to see if their services were required. It was a most convenient arrangement, and indicated a high degree of intelligence—either on the part of the Scavengers themselves, or some controlling entity elsewhere.

  Garbage disposal on Rama was very simple; everything was thrown into the Sea, where it was, presumably, broken down into forms that could be used again. The process was rapid; Resolution had disappeared overnight, to the great annoyance of Ruby Barnes. Norton had consoled her by pointing out that it had done its job magnificently—and he would never have allowed anyone to use it again. The Sharks might not be as discriminating as the Scavengers.

  No astronomer discovering an unknown planet could have been happier than Pieter when he spotted a new type of biot and secured a good photo of it through his telescope. Unfortunately, it seemed that all the interesting species were over at the South Pole, where they were performing mysterious tasks round the Horns. Something that looked like a centipede with suction pads could be seen from time to time exploring Big Horn itself, while round the lower peaks Pieter had caught a glimpse of a burly creature that could have been a cross between a hippopotamus and a bulldozer. And there was even a double-necked giraffe, which apparently acted as a mobile crane.

  Presumably, Rama, like any ship, required testing, checking and repairing after its immense voyage. The crew was already hard at work; when would the passengers appear?

  Biot classifying was not Pieter's main job; his orders were to keep watch on the two or three exploring parties that were always out, to see that they did not get into trouble, and to warn them if anything approached. He alternated every six hours with anyone else who could be spared, though more than once he had been on duty for twelve hours at a stretch. As a result, he now knew the geography of Rama better than any man who would ever live. It was as familiar to him as the Colorado mountains of his youth.

  When Jerry Kirchoff emerged from Airlock Alpha, Pieter knew at once that something unusual was happening. Personnel transfers never occurred during the sleeping period, and it was now past midnight by Mission Time. Then Pieter remembered how short-handed they were, and was shocked by a much more startling irregularity.

  'Jerry—who's in charge of the ship?'

  'I am,' said the Exec coldly, as he flipped open his helmet. 'You don't think I'd leave the bridge while I'm on watch, do you?'

  He reached into his suit carryall, and pulled out a small can still bearing the label: CONCENTRATED ORANGE JUICE: TO MAKE FIVE LITRES.

  'You're good at this Pieter. The skipper is waiting for it.'

  Pieter hefted the can, then said, 'I hope you've put enough mass inside it—sometimes they get stuck on the first terrace.'

  'Well, you're the expert.'

  That was true enough. The Hub observers had had plenty of practice, sending down small items that had been forgotten or were needed in a hurry. The trick was to get them safely past the low-gravity region and then to see that the Coriolis effect did not carry them too far away from the Camp during the eight-kilometre roll downhill.

  Pieter anchored himself firmly, grasped the can, and hurled it down the face of the cliff. He did not aim directly towards Camp Alpha, but almost thirty degrees away from it.

  Almost immediately, air resistance robbed the can of its initial speed, but then the pseudo-gravity of Rama took over and it started to move downwards at a constant velocity. It hit once near the base of the ladder, and did a slow motion bounce which took it clear of the first terrace.

  'It's OK now,' said Pieter. 'Like to make a bet?'

  'No,' was the prompt reply. 'You know the odds.'

  'You're no sportsman. But I'll tell you now—it will stop within three hundred metres of the Camp.'

  'That doesn't sound very close.'

  'You might try it some time. I once saw Joe miss by a couple of kilometres.'

  The can was no longer bouncing; gravity had become strong enough to glue it to the curving face of the North Dome. By the time it had reached the second terrace it was rolling along at twenty or thirty kilometres an hour, and had reached very nearly the maximum speed that friction would allow.

  'Now we'll have to wait,' said Pieter, seating himself at the telescope, so that he could keep track of the messenger. 'It will be there in ten minutes. Ah, here comes the skipper—I've got used to recognizing people from this angle—now he's looking up at us.'

  'I believe that telescope gives you a sense of power.'

  'Oh, it does. I'm the only person who knows everything that's happening in Rama. At least, I thought I did,' he added plaintively, giving Kirchoff a reproachful look.

  'If it will keep you happy, the skipper found he'd run out of toothpaste.'

  After that, conversation languished; but at last Pieter said: 'Wish you'd taken that bet … he's only got to walk fifty metres … now he sees it … mission complete.'

  'Thanks, Pieter—a very good job. Now you can go back to sleep.'

  'Sleep! I'm on watch until 0400.'

  'Sorry—you must have been sleeping. Or how else could you have dreamed all this?'

  SPACE SURVEY HQ TO COMMANDER SSV ENDEAVOUR. PRIORITY AAA. CLASSIFICATION YOUR EYES ONLY. NO PERMANENT RECORD.

  SPACEGUARD REPORTS ULTRA HIGH SPEED VEHICLE APPARENTLY LAUNCHED MERCURY TEN TO TWELVE DAYS AGO ON RAMA INTERCEPT. IF NO ORBIT CHANGE ARRIVAL PREDICTED DATE 322 DAYS 15 HOURS. MAY BE NECESSARY YOU EVACUATE BEFORE THEN. WILL ADVISE FURTHER. C IN C

  Norton read the message half a dozen times to memorize the date. It was hard to keep track of time inside Rama; he had to look at his calendar watch to see that it was now Day 315. That might leave them only one week…

  The message was chilling, not only for what it said, but for what it implied. The Hermians had made a clandestine launch—that in itself a breach of Space Law. The conclusion was obvious; their 'vehicle' could only be a missile.

  But why? It was inconceivable—well, almost inconceivable—that they would risk endangering Endeavour, so presumably he would receive ample warning from the Hermians themselves. In an emergency, he could leave at a few hours' notice, though he would do so only under extreme protest, at the direct orders of the Commander-in-Chief.

  Slowly, and v
ery thoughtfully, he walked across to the improvised life-support complex and dropped the message into an electrosan. The brilliant flare of laser light bursting out through the crack beneath the seat cover told him that the demands of security were satisfied. It was too bad, he told himself, that all problems could not be disposed of so swiftly and hygienically.

  CHAPTER 37

  MISSILE

  THE MISSILE WAS STILL five million kilometres away when the glare of its plasma braking jets became clearly visible in Endeavour's main telescope. By that time the secret was already out, and Norton had reluctantly ordered the second and perhaps final evacuation of Rama; but he had no intention of leaving until events gave him no alternative.

  When it had completed its braking manoeuvre, the unwelcome guest from Mercury was only fifty kilometres from Rama, and apparently carrying out a survey through its TV cameras. These were clearly visible—one fore and one aft—as were several small omni-antennas and one large directional dish, aimed steadily at the distant star of Mercury. Norton wondered what instructions were coming down that beam, and what information was going back.

  Yet the Hermians could learn nothing that they did not already know; all that Endeavour had discovered had been broadcast throughout the solar system. This spacecraft—which had broken all speed records to get here—could only be an extension of its makers' will, an instrument of their purpose. That purpose would soon be known, for in three hours the Hermian Ambassador to the United Planets would be addressing the General Assembly.

  Officially, the missile did not yet exist. It bore no identification marks, and was not radiating on any standard beacon frequency. This was a serious breach of law, but even SPACEGUARD had not yet issued a formal protest. Everyone was waiting, with nervous impatience, to see what Mercury would do next.

 

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