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  Chapter Two

  Ginny, Hunt’s slightly plump, middle-aged meticulous secretary, was already busy when he sauntered into the reception area of his office, high in the skyscraper of Navcomms Headquarters in the center of Houston. She had three sons, all in their late teens, and she hurled herself into her work with a dedication that Hunt sometimes thought might represent a gesture of atonement for having inflicted them on society. Women like Ginny always did a good job, he had found. Long-legged blondes were all very nice, but when it came to getting things done properly and on time, he’d settle for the older mommas any day.

  "Good morning, Dr. Hunt," she greeted him. One thing he had never been able to persuade her to accept fully was that Englishmen didn’t expect, or really want, to be addressed formally all the time.

  "Hi, Ginny. How are you today?"

  "Oh, just fine, I guess."

  "Any news about the dog?"

  "Good news. The vet called last night and said its pelvis isn’t fractured after all. A few weeks of rest and it should be fine."

  "That’s good. So what’s new this morning? Anything panicky?"

  "Not really. Professor Speehan from MIT called a few minutes ago and would like you to call back before lunch. I’m just finishing going through the mail now. There are a couple of things I think you’ll be interested in. The draft paper from Livermore, I guess you’ve already seen."

  They spent the next half-hour checking the mail and organizing the day’s schedule. By that time the offices that formed Hunt’s section of Navcomms were filling up, and he left to update himself on a couple of the projects in progress.

  Duncan Watt, Hunt’s deputy, a theoretical physicist who had transferred from UNSA’s Materials and Structures Division a year and a half earlier, was collecting results on the Pluto problem from a number of research groups around the country. Comparisons of the current solar system with records from the Shapieron of how it had looked twenty-five million years before established beyond doubt that most of what had been Minerva had ended up as Pluto. Earth had been formed originally without a satellite, and Luna had orbited as the single moon of Minerva. When Minerva broke up, its moon fell inward, toward the Sun, and by a freak chance was captured by Earth, about which it had orbited stably ever since. The problem was that so far no mathematical model of the dynamics involved had been able to explain how Pluto could have acquired enough energy to be lifted against solar gravitation to the position it now occupied. Astronomers and specialists in celestial mechanics from all over the world had tried all manner of approaches to the problem but without success, which was not all that surprising since the Ganymeans themselves had been unable to produce a satisfactory solution.

  "The only way you can get it to work is by postulating a three-body reaction," Duncan said, tossing up his hands in exasperation. "Maybe the war had nothing to do with it. Maybe what broke Minerva up was something else passing through the solar system."

  Thirty minutes later and a few doors farther along the corridor, Hunt found Marie, Jeff, and two of the students on loan from Princeton, excitedly discussing the set of partial-differential tensor functions being displayed on a large mural graphics screen.

  "It’s the latest from Mike Barrow’s team at Livermore," Marie told him.

  "I’ve already seen it," Hunt said. "Haven’t had a chance to go through it yet, though. Something about cold fusion, isn’t it?"

  "What it seems to be saying is that the Ganymeans didn’t have to generate high thermal energies to overcome proton-proton repulsion," Jeff chipped in.

  "How’d they do it then?" Hunt asked.

  "Sneakily. They started off with the particles being neutrons so there wasn’t any repulsion. Then, when the particles were inside the range of the strong force, they increased the energy gradient at the particle surfaces sufficiently to initiate pair production. The neutrons absorbed the positrons to become protons, and the electrons were drawn off. So there you’ve got it-two protons strongly coupled. Pow! Fusion."

  Hunt was impressed, although he had seen too much of Ganymean physics by that time to be astounded. "And they could control events like that down at that level?" he asked.

  "That’s what Mike’s people reckon."

  Shortly afterward, an argument developed over one of the details, and Hunt left the group as they were in the process of placing a call to Livermore for clarification.

  It seemed as if the information left by the Ganymeans was all starting to bear fruit at once, causing something new to break out every day. Caldwell’s idea of using Hunt’s section as an international clearinghouse for the research into Ganymean sciences was starting to produce results. When the first clues concerning Minerva and the Ganymeans were coming to light, Caldwell had set up Hunt’s original pilot group to do exactly this kind of thing. The organization had proved well suited to the task, and now it formed a ready-made group for tackling the latest studies.

  Hunt’s last call was on Paul Shelling, whose people occupied a group of offices and a computer room on the floor below. One of the most challenging aspects of Ganymean technology was their "gravitics," which enabled them to deform spacetime artificially without requiring large concentrations of mass. The Shapieron’s drive system had utilized this capability by creating a "hole" ahead of the ship into which it "fell" continuously to propel itself through space; the "gravity" inside the vessel was also manufactured, not simulated. Shelling, a gravitational physicist on a sabbatical from Rockwell International, headed up a mathematical group which had been delving into Ganymean field equations and energy-metric transforms for six months. Hunt found him staring at a display of isochrons and distorted spacetime geodesics, and looking very thoughtful.

  "It’s all there," Sheffing said, keeping his eyes fixed on the softly glowing colored curves and speaking in a faraway voice. "Artificial black holes. . . . just switch ’em on and off to order."

  The information did not come as a big surprise to Hunt. The Ganymeans had confirmed that the Shapieron’s drive had in fact achieved this, and Hunt and Shelling had talked about its theoretical basis on many occasions. "You’ve figured it out?" Hunt asked, slipping into a vacant chair and studying the display.

  "We’re on our way, anyhow."

  "Does it get us any nearer instant point-to-point transfers?" That was something the Ganymeans had not achieved, although the possibility was implicit in their theoretical constructs. Black holes distantly separated in normal space seemed to link up via a hyperrealm within which unfamiliar physical principles operated, and the ordinary concepts and restrictions of the relativistic universe simply didn’t apply. As the Ganymeans had agreed, the promises implied by this were staggering, but nobody knew how to turn them into realities yet.

  "It’s in there," Shelling answered. "The possibility is in there, but there’s another side to it that bothers me, and it’s impossible to separate out."

  "What’s that?" Hunt asked.

  "Time transfers," Shelling told him. Hunt frowned. Had he been talking to anybody else, he would have allowed his skepticism to show openly. Shelling spread his hands and gestured toward the screen. "You can’t get away from it. If the solutions admit point-to-point transfers through normal space, they admit transfers through time too. If you could find a way of exploiting one, you’d automatically have a way of exploiting the other as well. Those matrix integrals are symmetric."

  Hunt waited for a moment to avoid appearing derisive. "That’s too much, Paul," he said. "What happens to causality? You’d never be able to unscramble the mess."

  "I know. . . . I know the theory sounds screwy, but there it is. Either we’re up a dead end and none of it works, or we’re stuck with both solutions."

  They spent the next hour working through Shelling’s equations again but ended up none the wiser. Groups at Cal Tech, Cambridge, the Ministry of Space Sciences in Moscow, and the University of Sydney, Australia, had found the same thing. Obviously Hunt and Shelling were not about to crack the problem the
re and then, and Hunt eventually left in a very curious and thoughtful mood.

  Back in his own office, he called Speehan at MIT, who turned out to have some interesting results from a simulation model of the climatic upheavals caused fifty thousand years earlier by the process of lunar capture. Hunt then took care of a couple of other urgent items that had come in that morning, and was just settling down to study the Livermore paper when Lyn called from Caldwell’s suite at the top of the building. Her face was unusually serious.

  "Gregg wants you in on the meeting up here," she told him without preamble. "Can you get up right away?"

  Hunt sensed that she was pushed for time. "Give me two minutes." He cut the connection without further ado, consigned Livermore to the uncharted depths of the Navcomms databank, told Ginny to consult Duncan if anything desperate developed during the rest of the day, and left the office at a brisk pace.

  Chapter Three

  From the web of communications links interconnecting UNSA’s manned and unmanned space vehicles with orbiting and surface bases all over the solar system, to the engineering and research establishments at places such as Houston, responsibility for the whole gamut of Navcomms activities ultimately resided in Caldwell’s office at the top of the Headquarters Building. It was a spacious and opulently furnished room with one wall completely of glass, looking down over the lesser skyscrapers of the city and the ant colony of the pedestrian precincts far below. The wall opposite Caldwell’s huge curved desk, which faced inward from a corner by the window, was composed almost totally of a battery of display screens that gave the place more the appearance of a control room than of an office. The remaining walls carried a display of color pictures showing some of the more spectacular UNSA projects of recent years, including a seven-mile-long photon-drive star probe being designed in California and an electromagnetic catapult being constructed across twenty miles of Tranquilitatis to hurl lunar-manufactured structural components into orbit for spacecraft assembly.

  Caldwell was behind his desk and two other people were sitting with Lyn at the table set at a T to the desk’s front edge when a secretary ushered Hunt in from the outer office. One of them was a woman in her mid- to late forties, wearing a high-necked navy dress that hinted of a firm and well-preserved figure, and over it a wide-collared jacket of white-and-navy check. Her hair was a carefully styled frozen sea of auburn that stopped short of her shoulders, and the lines of her face, which was not unattractive in a natural kind of way beneath her sparse makeup, were clear and assertive. She was sitting erect and seemed composed and fully in command of herself. Hunt had the feeling that he had seen her somewhere before.

  Her companion, a man, was smartly attired in a charcoal three-piece suit with a white shirt and two-tone gray tie. He had a fresh, clean-shaven look about him and jet-black hair cut short and brushed flat in college-boy fashion, although Hunt put him at not far off his own age. His eyes, dark and constantly mobile, gave the impression of serving an alert and quick-thinking mind.

  Lyn flashed Hunt a quick smile from the side of the table opposite the two visitors. She had changed into a crisp two-piece edged with pale orange and was wearing her hair high. She looked distinctly un-"groped."

  "Vic," Caldwell announced in his gravelly bass-baritone voice, "I’d like you to meet Karen Heller from the State Department in Washington, and Norman Pacey, who’s a presidential advisor on foreign relations." He made a resigned gesture in Hunt’s direction. "This is Dr. Vic Hunt. We send him to Jupiter to look into a few relics of some extinct aliens, and he comes back with a shipful of live ones."

  They exchanged formalities. Both visitors knew about Hunt’s exploits, which had been well publicized. In fact Vic had met Karen Heller once very briefly at a reception given for some Ganymeans in Zurich about six months earlier. Of course! Hadn’t she been the U.S. Ambassador to-France, wasn’t it, at the time? Yes. She was representing the U.S. at the UN now, though. Norman Pacey had met some Ganymeans too, it turned out-in Washington-but Hunt hadn’t been present on that occasion.

  Hunt took the empty chair at the end of the table, facing along the length of it toward Caldwell’s desk, and watched the head of wiry, gray, crose-cropped hair while Caldwell frowned down at his hands for a few seconds and drummed the top of his desk with his fingers. Then he raised his craggy, heavily browed face to look directly at Hunt, who knew better than to expect much in the way of preliminaries. "Something’s happened that I wanted to tell you about earlier but couldn’t," Caldwell said. "Signals from the Giants’ Star started coming in again about three weeks ago."

  Even though he should have known about such a development if anyone did, Hunt was too taken aback for the moment to wonder about it. As months passed after the sole reply to the first message transmitted from Giordano Bruno at the time of the Shapieron’s departure, he had grown increasingly suspicious that the whole thing had been a hoax-that somebody with access to the UNSA communications net had somehow arranged a message to be relayed back from some piece of UNSA hardware located out in space in the right direction. He was open-minded enough to admit that with an advanced alien civilization anything could be possible, but a hoax had seemed the most likely explanation for the fourteen-hour turn-around time. If Caldwell were right, it made so much nonsense of that conviction.

  "You’re certain they’re genuine?" he asked dubiously when he had recovered from the initial shock. "It couldn’t all be a sick joke by a freak somewhere?"

  Caldwell shook his head. "We have enough data now to pinpoint the source interferometrically. It’s way out past Pluto, and UNSA does not have anything anywhere near it. Besides, we’ve checked every bit of traffic through all our hardware, and it’s clean. The signals are genuine."

  Hunt raised his eyebrows and exhaled a long breath. Okay, so he’d been wrong on that one. He shifted his gaze from Caldwell to the notes and papers lying along the middle of the table in front of him, and frowned as another thought occurred to him. Like the original message from Farside, the reply from the Giants’ Star had been composed in the ancient Ganymean language and communications codes from the time of the Shapieron . After the ship’s departure, the reply had been translated by Don Maddson, head of the Linguistics section lower down in the building, who had made a study of Ganymean during the aliens’ stay. That had required considerable effort, short though the reply had been, and Hunt knew of no one else anywhere who could have handled the more recent signals that Caldwell was talking about. As a rule Hunt didn’t have much time for protocol and formality, but if Maddson was in on this, he sure-as-hell should have known about it too. "So who did the translating?" he asked suspiciously. "Linguistics?"

  "There wasn’t any need," Lyn said simply. "The signals are coming through in standard datacomm codes. They’re in English."

  Hunt slumped back in his chair and just stared. Ironically that said definitely that it was no hoax; who in their right mind would forge messages from aliens in English? And then it came to him. "Of course!" he exclaimed. "They must have intercepted the Shapieron somehow. Well, that’s good to-" He broke off in surprise as he saw Caldwell shaking his head.

  "From the content of the dialogue over the last few weeks, we’re pretty certain that’s not the case," Caldwell said. He looked at Hunt gravely. "So if they haven’t talked to the Ganymeans who were here, and they know our communications codes and our language, what does that say to you?"

  Hunt looked around and saw that the others were watching him expectantly. So he thought about it. And after a few seconds his eyes widened slowly, and his mouth fell open in undisguised disbelief. "Je-sus!" he breathed softly.

  "That’s right," Norman Pacey said. "This whole planet must be under some kind of surveillance . . . and has been for a long time." For the moment Hunt was too flabbergasted to offer any reply. Little wonder the whole business had been hushed up.

  "That supposition was backed up by the first of the new signals that came in at Bruno," Caldwell resumed. "It said in no uncerta
in terms that nothing whatsoever relating to the contact was to be communicated via lasers, comsats, datalinks, or any kind of electronic media. The scientists up at Bruno who received the message went along with that directive, and told me about it by sending a courier down from Luna. I passed the word up through Navcomms to UNSA Corporate in the same way and told the Bruno guys to carry on handling things locally until somebody got back to them."

  What it means is that at least part of the surveillance is in the form of tapping into our communications network," Pacey said. "And whoever is sending the signals, and whoever is running the surveillance, are not the same. . . . ‘people,’ or whatever. And the ones who are talking to us don’t want the other ones knowing about it." Hunt nodded, having figured that much out already.

  "I’ll let Karen take it from there," Caldwell said and nodded in her direction.

  Karen Heller leaned forward to rest her arms lightly along the edge of the table. "The scientists at Bruno established fairly early on that they were indeed in contact with a Ganymean civilization descended from migrants from Minerva," she said, speaking in carefully modulated tones that rose and fell naturally and made listening easy. "They inhabit a planet called Thurien, in the planetary system of the Giants’ Star, or ‘Gistar,’ to use the contraction that seems to have been adopted. While this was going on, UNSA in Washington referred the matter to the UN." She paused to look over at Hunt, but he had no questions at that point. She went on, "A special working party reporting to the Secretary General was formed to debate the issue, and the ruling finally came out that a contact of this nature was first and foremost a political and diplomatic affair. A decision was made that further exchanges would be handled secretly by a small delegation of selected representatives of the permanent-member nations of the Security Council. To preserve secrecy, no outsiders would be informed or involved for the time being."