It brought them power.
“They can speak for us, too.” The words sound deep in my throat. Like a growl.
His eyes gleam in the darkness and I think for a moment that I can see the moon of my puppy-hood reflected in them. Only citizens can speak across the stars.
“She can speak for us.”
THE SHOULDERS OF GIANTS
ROBERT J. SAWYER
Robert J. Sawyer is the author of twenty novels, including Hominids, which won the Hugo Award, The Terminal Experiment, which won the Nebula Award, and Mindscan, which won the John W. Campbell Memorial Award. He has also won ten Aurora Awards, three Seiun Awards, and is the only three-time winner of Spain’s prestigious UPC Award, which bestows the largest cash prize in all of science fiction.
Sawyer’s novel Flashforward is currently being adapted for television and is scheduled to air on ABC this fall. His latest novel project is the WWW trilogy, consisting of Wake, Watch, and Wonder. The first volume, Wake, was recently serialized in the pages of Analog and was released in hardcover in April.
“The Shoulders of Giants,” which first appeared in the anthology Star Colonies, is Sawyer’s attempt to capture the sense of wonder that drew him to science fiction in the first place. “The title,” he said, “is a tip of the hat to Asimov, Clarke, Clement, Herbert, Niven, and all the others upon whose shoulders the SF writers of my generation are fortunate enough to stand.”
It seemed like only yesterday when I’d died, but, of course, it was almost certainly centuries ago. I wish the computer would just tell me, dammitall, but it was doubtless waiting until its sensors said I was sufficiently stable and alert. The irony was that my pulse was surely racing out of concern, forestalling it speaking to me. If this was an emergency, it should inform me, and if it wasn’t, it should let me relax.
Finally, the machine did speak in its crisp, feminine voice. “Hello, Toby. Welcome back to the world of the living.”
“Where—” I’d thought I’d spoken the word, but no sound had come out. I tried again. “Where are we?”
“Exactly where we should be: decelerating toward Soror.”
I felt myself calming down. “How is Ling?”
“She’s reviving, as well.”
“The others?”
“All forty-eight cryogenics chambers are functioning properly,” said the computer. “Everybody is apparently fine.”
That was good to hear, but it wasn’t surprising. We had four extra cryochambers; if one of the occupied ones had failed, Ling and I would have been awoken earlier to transfer the person within it into a spare. “What’s the date?”
“16 June 3296.”
I’d expected an answer like that, but it still took me back a bit. Twelve hundred years had elapsed since the blood had been siphoned out of my body and oxygenated antifreeze had been pumped in to replace it. We’d spent the first of those years accelerating, and presumably the last one decelerating, and the rest—
—the rest was spent coasting at our maximum velocity, 3,000 km/s, one percent of the speed of light. My father had been from Glasgow; my mother, from Los Angeles. They had both enjoyed the quip that the difference between an American and a European was that to an American, a hundred years was a long time, and to a European, a hundred miles is a big journey.
But both would agree that twelve hundred years and 11.9 light-years were equally staggering values. And now, here we were, decelerating in toward Tau Ceti, the closest sunlike star to Earth that wasn’t part of a multiple-star system. Of course, because of that, this star had been frequently examined by Earth’s Search for Extraterrestrial Intelligence. But nothing had ever been detected; nary a peep.
I was feeling better minute by minute. My own blood, stored in bottles, had been returned to my body and was now coursing through my arteries, my veins, reanimating me.
We were going to make it.
Tau Ceti happened to be oriented with its north pole facing toward Sol; that meant that the technique developed late in the twentieth century to detect planetary systems based on subtle blueshifts and redshifts of a star tugged now closer, now farther away, was useless with it. Any wobble in Tau Ceti’s movements would be perpendicular, as seen from Earth, producing no Doppler effect. But eventually Earth-orbiting telescopes had been developed that were sensitive enough to detect the wobble visually, and—
It had been front-page news around the world: the first solar system seen by telescopes. Not inferred from stellar wobbles or spectral shifts, but actually seen. At least four planets could be made out orbiting Tau Ceti, and one of them—
There had been formulas for decades, first popularized in the RAND Corporation’s study Habitable Planets for Man. Every science-fiction writer and astrobiologist worth his or her salt had used them to determine the life zones—the distances from target stars at which planets with Earthlike surface temperatures might exist, a Goldilocks band, neither too hot nor too cold.
And the second of the four planets that could be seen around Tau Ceti was smack-dab in the middle of that star’s life zone. The planet was watched carefully for an entire year—one of its years, that is, a period of 193 Earth days. Two wonderful facts became apparent. First, the planet’s orbit was damn near circular—meaning it would likely have stable temperatures all the time; the gravitational influence of the fourth planet, a Jovian giant orbiting at a distance of half a billion kilometers from Tau Ceti, probably was responsible for that.
And, second, the planet varied in brightness substantially over the course of its twenty-nine-hour-and-seventeen-minute day. The reason was easy to deduce: most of one hemisphere was covered with land, which reflected back little of Tau Ceti’s yellow light, while the other hemisphere, with a much higher albedo, was likely covered by a vast ocean, no doubt, given the planet’s fortuitous orbital radius, of liquid water—an extraterrestrial Pacific.
Of course, at a distance of 11.9 light-years, it was quite possible that Tau Ceti had other planets, too small or too dark to be seen. And so referring to the Earthlike globe as Tau Ceti II would have been problematic; if an additional world or worlds were eventually found orbiting closer in, the system’s planetary numbering would end up as confusing as the scheme used to designate Saturn’s rings.
Clearly a name was called for, and Giancarlo DiMaio, the astronomer who had discovered the half-land, half-water world, gave it one: Soror, the Latin word for sister. And, indeed, Soror appeared, at least as far as could be told from Earth, to be a sister to humanity’s home world.
Soon we would know for sure just how perfect a sister it was. And speaking of sisters, well—okay, Ling Woo wasn’t my biological sister, but we’d worked together and trained together for four years before launch, and I’d come to think of her as a sister, despite the press constantly referring to us as the new Adam and Eve. Of course, we’d help to populate the new world, but not together; my wife, Helena, was one of the forty-eight others still frozen solid. Ling wasn’t involved yet with any of the other colonists, but, well, she was gorgeous and brilliant, and of the two dozen men in cryosleep, twenty-one were unattached.
Ling and I were co-captains of the Pioneer Spirit. Her cryocoffin was like mine, and unlike all the others: it was designed for repeated use. She and I could be revived multiple times during the voyage, to deal with emergencies. The rest of the crew, in coffins that had cost only $700,000 a piece instead of the six million each of ours was worth, could only be revived once, when our ship reached its final destination.
“You’re all set,” said the computer. “You can get up now.”
The thick glass cover over my coffin slid aside, and I used the padded handles to hoist myself out of its black porcelain frame. For most of the journey, the ship had been coasting in zero gravity, but now that it was decelerating, there was a gentle push downward. Still, it was nowhere near a full g, and I was grateful for that. It would be a day or two before I would be truly steady on my feet.
My module was shielded from the other
s by a partition, which I’d covered with photos of people I’d left behind: my parents, Helena’s parents, my real sister, her two sons. My clothes had waited patiently for me for twelve hundred years; I rather suspected they were now hopelessly out of style. But I got dressed—I’d been naked in the cryochamber, of course—and at last I stepped out from behind the partition, just in time to see Ling emerging from behind the wall that shielded her cryocoffin.
“‘Morning,” I said, trying to sound blasé.
Ling, wearing a blue and gray jumpsuit, smiled broadly. “Good morning.”
We moved into the center of the room, and hugged, friends delighted to have shared an adventure together. Then we immediately headed out toward the bridge, half-walking, half-floating, in the reduced gravity.
“How’d you sleep?” asked Ling.
It wasn’t a frivolous question. Prior to our mission, the longest anyone had spent in cryofreeze was five years, on a voyage to Saturn; the Pioneer Spirit was Earth’s first starship.
“Fine,” I said. “You?”
“Okay,” replied Ling. But then she stopped moving, and briefly touched my forearm. “Did you—did you dream?”
Brain activity slowed to a virtual halt in cryofreeze, but several members of the crew of Cronus—the Saturn mission—had claimed to have had brief dreams, lasting perhaps two or three subjective minutes, spread over five years. Over the span that the Pioneer Spirit had been traveling, there would have been time for many hours of dreaming.
I shook my head. “No. What about you?”
Ling nodded. “Yes. I dreamt about the strait of Gibraltar. Ever been there?”
“No.”
“It’s Spain’s southernmost boundary, of course. You can see across the strait from Europe to northern Africa, and there were Neandertal settlements on the Spanish side.” Ling’s Ph.D. was in anthropology. “But they never made it across the strait. They could clearly see that there was more land—another continent!—only thirteen kilometers away. A strong swimmer can make it, and with any sort of raft or boat, it was eminently doable. But Neandertals never journeyed to the other side; as far as we can tell, they never even tried.”
“And you dreamt—?”
“I dreamt I was part of a Neandertal community there, a teenage girl, I guess. And I was trying to convince the others that we should go across the strait, go see the new land. But I couldn’t; they weren’t interested. There was plenty of food and shelter where we were. Finally, I headed out on my own, trying to swim it. The water was cold and the waves were high, and half the time I couldn’t get any air to breathe, but I swam and I swam, and then . . . ”
“Yes?”
She shrugged a little. “And then I woke up.”
I smiled at her. “Well, this time we’re going to make it. We’re going to make it for sure.”
We came to the bridge door, which opened automatically to admit us, although it squeaked something fierce while doing so; its lubricants must have dried up over the last twelve centuries. The room was rectangular with a double row of angled consoles facing a large screen, which currently was off.
“Distance to Soror?” I asked into the air.
The computer’s voice replied. “1.2 million kilometers.”
I nodded. About three times the distance between Earth and its moon. “Screen on, view ahead.”
“Overrides are in place,” said the computer.
Ling smiled at me. “You’re jumping the gun, partner.”
I was embarrassed. The Pioneer Spirit was decelerating toward Soror; the ship’s fusion exhaust was facing in the direction of travel. The optical scanners would be burned out by the glare if their shutters were opened. “Computer, turn off the fusion motors.”
“Powering down,” said the artificial voice.
“Visual as soon as you’re able,” I said.
The gravity bled away as the ship’s engines stopped firing. Ling held on to one of the handles attached to the top of the console nearest her; I was still a little groggy from the suspended animation, and just floated freely in the room. After about two minutes, the screen came on. Tau Ceti was in the exact center, a baseball-sized yellow disk. And the four planets were clearly visible, ranging from pea-sized to as big as grape.
“Magnify on Soror,” I said.
One of the peas became a billiard ball, although Tau Ceti grew hardly at all.
“More,” said Ling.
The planet grew to softball size. It was showing as a wide crescent, perhaps a third of the disk illuminated from this angle. And—thankfully, fantastically—Soror was everything we’d dreamed it would be: a giant polished marble, with swirls of white cloud, and a vast, blue ocean, and—
Part of a continent was visible, emerging out of the darkness. And it was green, apparently covered with vegetation.
We hugged again, squeezing each other tightly. No one had been sure when we’d left Earth; Soror could have been barren. The Pioneer Spirit was ready regardless: in its cargo holds was everything we needed to survive even on an airless world. But we’d hoped and prayed that Soror would be, well—just like this: a true sister, another Earth, another home.
“It’s beautiful, isn’t it?” said Ling.
I felt my eyes tearing. It was beautiful, breathtaking, stunning. The vast ocean, the cottony clouds, the verdant land, and—
“Oh, my God,” I said, softly. “Oh, my God.”
“What?” said Ling.
“Don’t you see?” I asked. “Look!”
Ling narrowed her eyes and moved closer to the screen. “What?”
“On the dark side,” I said.
She looked again. “Oh . . . ” she said. There were faint lights sprinkled across the darkness; hard to see, but definitely there. “Could it be volcanism?” asked Ling. Maybe Soror wasn’t so perfect after all.
“Computer,” I said, “spectral analysis of the light sources on the planet’s dark side.”
“Predominantly incandescent lighting, color temperature 5600 kelvin.”
I exhaled and looked at Ling. They weren’t volcanoes. They were cities.
Soror, the world we’d spent twelve centuries traveling to, the world we’d intended to colonize, the world that had been dead silent when examined by radio telescopes, was already inhabited.
The Pioneer Spirit was a colonization ship; it wasn’t intended as a diplomatic vessel. When it had left Earth, it had seemed important to get at least some humans off the mother world. Two small-scale nuclear wars—Nuke I and Nuke II, as the media had dubbed them—had already been fought, one in southern Asia, the other in South America. It appeared to be only a matter of time before Nuke III, and that one might be the big one.
SETI had detected nothing from Tau Ceti, at least not by 2051. But Earth itself had only been broadcasting for a century and a half at that point; Tau Ceti might have had a thriving civilization then that hadn’t yet started using radio. But now it was twelve hundred years later. Who knew how advanced the Tau Cetians might be?
I looked at Ling, then back at the screen. “What should we do?”
Ling tilted her head to one side. “I’m not sure. On the one hand, I’d love to meet them, whoever they are. But . . . ”
“But they might not want to meet us,” I said. “They might think we’re invaders, and—”
“And we’ve got forty-eight other colonists to think about,” said Ling. “For all we know, we’re the last surviving humans.”
I frowned. “Well, that’s easy enough to determine. Computer, swing the radio telescope toward Sol system. See if you can pick anything up that might be artificial.”
“Just a sec,” said the female voice. A few moments later, a cacophony filled the room: static and snatches of voices and bits of music and sequences of tones, overlapping and jumbled, fading in and out. I heard what sounded like English—although strangely inflected—and maybe Arabic and Mandarin and . . .
“We’re not the last survivors,” I said, smiling. “There’s sti
ll life on Earth—or, at least, there was 11.9 years ago, when those signals started out.”
Ling exhaled. “I’m glad we didn’t blow ourselves up,” she said. “Now, I guess we should find out what we’re dealing with at Tau Ceti. Computer, swing the dish to face Soror, and again scan for artificial signals.”
“Doing so.” There was silence for most of a minute, then a blast of static, and a few bars of music, and clicks and bleeps, and voices, speaking in Mandarin and English and—
“No,” said Ling. “I said face the dish the other way. I want to hear what’s coming from Soror.”
The computer actually sounded miffed. “The dish is facing toward Soror,” it said.
I looked at Ling, realization dawning. At the time we’d left Earth, we’d been so worried that humanity was about to snuff itself out, we hadn’t really stopped to consider what would happen if that didn’t occur. But with twelve hundred years, faster spaceships would doubtless have been developed. While the colonists aboard the Pioneer Spirit had slept, some dreaming at an indolent pace, other ships had zipped past them, arriving at Tau Ceti decades, if not centuries, earlier—long enough ago that they’d already built human cities on Soror.
“Damn it,” I said. “God damn it.” I shook my head, staring at the screen. The tortoise was supposed to win, not the hare.
“What do we do now?” asked Ling.
I sighed. “I suppose we should contact them.”
“We—ah, we might be from the wrong side.”
I grinned. “Well, we can’t both be from the wrong side. Besides, you heard the radio: Mandarin and English. Anyway, I can’t imagine that anyone cares about a war more than a thousand years in the past, and—”
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