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  To Bella Sue Martin and Jim Parsons, for so many reasons

  CONTENTS

  Title Page

  Copyright Notice

  Dedication

  Epigraph

  EARTH

  Beijing

  ARRIVAL

  Awakening

  Data Bank

  Alone

  The News from Earth

  Outcasts

  Examination

  Brothers

  A Glow of Light

  Analysis

  Preparation

  Excursion

  Frustration

  Decisions

  Departure

  THE MOON

  Anita Halleck

  ENCOUNTER

  Landing

  Into the Forest

  Contact

  Adri

  The City

  The Administrative Center

  Hospitality

  Fears

  Visitors’ Quarters

  Rebellion

  The Farms

  Guilt and Fear

  Camping Out

  Base Camp

  What’s in a Name?

  Examination

  EARTH

  Washington, D.C.

  DISCOVERIES

  Turnabout

  History Lesson

  Motivations

  Reactions

  In the City

  Shielding

  Aurora

  Factions

  Transition

  Racing Toward Extinction

  Questions

  Conundrum

  Confirmation

  MARS

  Tithonium Base

  REVELATIONS

  The Biolab

  Return to Camp

  Unanswered Questions

  A New Regime

  Dinner

  Hollow Progress

  Field Trip

  Sooner or Later

  Surprise

  Confirmation

  Culture Shock

  Security

  Guests … or Prisoners?

  SATURN ORBIT

  Habitat Goddard

  UNDERSTANDING

  Back to the City

  The Gulf

  The Truth

  The Danger

  Reaction

  Suspicion

  Decision

  Conflict

  Trust

  Learning

  Verify

  Factions

  Resolution

  EXOPLANET

  Homeworld

  CRUSADERS

  Base Camp

  One on One

  By Their Fruits

  Aliens

  Reconciliation

  EPILOGUE

  Eight Years and Eight Months Later

  Tor Books by Ben Bova

  About the Author

  Copyright

  Nothing is so fatal to the progress of the human mind as to suppose our views of science are ultimate; that there are no new mysteries in nature; that our triumphs are complete; and that there are no new worlds to conquer.

  SIR HUMPHRY DAVY

  EARTH

  Sufficient unto the day is the evil thereof.

  MATTHEW 6:34

  BEIJING

  Chiang Chantao sat in his powerchair, floating high above the flooded city of St. Louis.

  “This shouldn’t be happening,” he said, his voice barely more than a pained croak.

  “But it is,” said Felicia Ionescu, seemingly standing in midair beside him.

  What had once been a thriving city was now a drowned disaster, buildings inundated, highways submerged, even the magnificent Gateway Arch’s foundations awash in several meters of muddy water. Long lines of miserable refugees were plodding away from the city, automobiles, trucks, buses inching along, bumper to bumper, piled high with mattresses, bicycles, clothes washers, sticks of furniture; others were on foot, sloshing stolidly through the rain, the water knee-deep in some places, carrying babies and bundles of whatever they could salvage from their ruined homes.

  “Kill the display,” Chiang commanded.

  The virtual reality simulation disappeared. Chiang was sitting in his powerchair in the middle of the VR chamber, a wizened, bald, crippled old man connected to the blinking, softly beeping heart pump and artificial lungs and other machinery that kept his emaciated body alive.

  Felicia Ionescu was a tall, imposing figure, generously proportioned as an old-time opera diva, and just as imperious. At this moment, though, she did not look haughty or domineering. Despite her name, she looked unutterably sad.

  “Demons and devils!” Chiang burst. “All my life we’ve been fighting the sea-level rise. We’ve built dams and levees and pumping systems all over the world! We had things under control! And now this.”

  He pointed a wavering clawlike finger at the satellite map of the world that covered one wall of the VR chamber. China’s long rivers were now broad arms of the sea reaching a thousand kilometers inland, drowning villages and whole cities, killing hundreds of thousands, wiping out millions upon millions of hectares of productive farmlands.

  Where once the Mississippi River had wound its peaceful way from the northern lakes to the Gulf of Mexico, a great inland sea was spreading, flooding Texas, Louisiana, Arkansas, reaching up into Missouri and still growing.

  The Nile was inundating Egypt and the Sudan, drowning the Sphinx and lapping against the great pyramids. The swollen Orinoco River and mighty Amazon had virtually split South America into two separate subcontinents. Coastlines around the world were no longer recognizable: the sea was inexorably conquering the land.

  “This wasn’t supposed to happen,” Chiang insisted, his voice a painful rasp. “We’ve stopped burning fossil fuels. We’ve removed gigatons of carbon dioxide from the atmosphere.”

  “Not enough,” said Ionescu, mournfully. Like Chiang, she spoke Mandarin, but with a Romanian accent that was painful to the old man’s ears.

  “We’re doing everything we can,” he insisted.

  “We started too late. Despite all our efforts, the global climate has tipped into a warm cycle. The Greenland ice cap is melting. So is Antarctica. And there’s nothing we can do to stop it.” She took a breath, then added, “We’re paying for starting too late. We did nothing for more than a century, and now it’s too late to prevent the floods.”

  Chiang craned his wattled neck to glare up at her. “And you’re back again to wheedle me into approving a backup mission to Sirius? How many times do I have to tell you it’s impossible?”

  Ionescu closed her eyes, then said, as if reciting from rote, “As director of the International Astronautical Authority, it is my duty to remind you once again that the exploration program calls for several backup missions.”

  Waving his withered arm toward the satellite imagery again, Chiang demanded, “And what do I tell the people of Chongqing? And St. Louis? And Cairo and São Paulo and all the other cities that have been flooded? How do we feed the refugees? Where do we house them?”

  Ionescu said, “We should have launched the first backup mission seventy-five years ago, long before either you or I came into power.”

  “Do you know what the Co
uncil would do if I recommended we send a backup mission to Sirius?” Chiang screeched. “They’d flay me alive and nail me to the gate of the Forbidden City!”

  “You exaggerate.”

  “I’ve worked all my life to save our world from disaster. I’ve fought my way to chairmanship of the World Council. I’m not going to allow the IAA or any force on Earth to distract me from my purpose.”

  “It’s less than two and a half billion kiloyuan for the first backup mission,” Ionescu replied, her voice rising slightly. “We have all the basic facilities in place. We have the organizational infrastructure.”

  Chiang took a deep breath, while the life-support equipment on the back of his chair chattered angrily. “It’s not the amount of money, woman, it’s the symbolism. Here we’re struck with the worst disaster since the original greenhouse floods five generations ago, and you want to spend badly needed funds on sending another team of pampered scientists to Sirius! It’s impossible!”

  Working hard to control her own volatile temper, Ionescu said, “The first team should have reached Sirius by now. They’re only twelve people—”

  “If they need help let them ask for it.”

  “Their messages take more than eight years to get here. They’re effectively alone, isolated.”

  “Your predecessors knew that when they sent them, didn’t they?”

  “Yes, of course, but our original program plan called for a backup mission. Several of them, in fact.”

  “Those plans are canceled,” Chiang snapped. “They’re underwater. Drowned. Just like the village of my birth.”

  “It wasn’t supposed to be this way,” Ionescu said, almost pleading. “Twelve people, alone out there…”

  “They’re going to have to make the best of it,” Chiang said. “Just as we are.”

  Ionescu turned from Chiang’s age-ravaged, angry face and stared at the wall-sized satellite display. But in her mind’s eye she saw the starship taking up its preplanned orbit around the planet Sirius C. New Earth.

  ARRIVAL

  We may prefer to think of ourselves as fallen angels, but in reality we are rising apes.

  DESMOND MORRIS

  AWAKENING

  He opened his eyes slowly.

  His eyelids felt gummy. Slowly he reached up with both hands to knuckle the cobwebs away. My name is Jordan Kell, he told himself. I’ve been asleep for eighty years.

  He was lying on his back in the cryosleep capsule, looking up at the softly muted glow of the ship’s ceiling panels. The coffin-sized capsule smelled like an antiseptic hospital room, cold, inhuman. A shudder went through him, his body’s memory of the years spent suspended, frozen by liquid nitrogen.

  Peering down the length of his naked body he saw that all the tubes for feeding and muscle stimulation had been removed. Nothing but faint scars here and there.

  They’ll fade away soon enough, he thought.

  Well, we must have made it, he told himself. Eight point six light-years. Eighty years to reach Sirius.

  Then a pang of doubt hit him. Maybe we’re not there! Maybe something’s gone wrong!

  The robot slid into his view. It was a semi-anthropomorphic design, man-shaped except that it rolled along on tiny trunions instead of having legs. Its silicone-covered face had two glittering optronic eyes, a slit of a radiator where a human nose would be, a speaker grill for a mouth.

  “Are we…?” Jordan’s voice cracked. His throat felt dry, raw.

  The robot understood his unfinished question. “The ship has arrived in orbit around Sirius C,” it said. Its synthesized voice was the rich, warm baritone of a noted dramatic actor back on Earth.

  “Good,” Jordan croaked. “Good.”

  “Diagnostics show that you are in satisfactory physical condition,” the robot reported. “Your memories have been uploaded successfully from the central computer back into your brain.”

  “The others…?”

  “Their uploads are under way,” said the robot. “You are the first to be revived, as per mission protocol.”

  Rank hath its privileges, Jordan thought.

  The robot turned away briefly to the row of diagnostic monitors lining one wall of the narrow compartment. When it came back to Jordan’s open capsule it bore a ceramic cup in one metal hand.

  “A stimulant,” it said, “and a lubricant for your throat.”

  Tenderly, the robot lifted Jordan’s head with one silicone-skin hand and brought the cup to his lips, like a mother feeding a baby. He grasped the cup with both his trembling hands, grateful for its warmth.

  Tea, Jordan realized once he’d taken a sip of the steaming brew. Tea with honey. Stimulant, lubricant, warmer-upper. Good old tea. He almost laughed.

  “Do you feel strong enough to get to your feet?”

  Jordan thought it over, then replied, “I can try.”

  The robot gently helped him up to a sitting position. Then Jordan swung his bare legs over the edge of the capsule and carefully, tentatively, stood up. He felt a little wobbly, but only a little. Not bad for a fellow who’s a hundred and thirty-two years old, he thought.

  The little cubicle’s walls were bare, off-white. It was hardly big enough to contain Jordan’s cryosleep capsule, a marvel of biotechnology sitting there like an elongated egg that had been cracked open. The life-support equipment and monitors blinked and beeped softly against the opposite wall.

  Each member of the expedition had a cubicle of his or her own; the robots assisted with the reawakening process.

  Staying at his side, the robot led Jordan three steps to the closet where his clothes were stored. He pulled the door open and saw himself in the full-length mirror inside the door.

  He was a trim, well-built middleweight, standing almost 175 centimeters in his bare feet. Normally he weighed a trifle under seventy-five kilograms, but as he looked down at his bare body he saw that his long sleep had cost him some weight. The skin of his legs was still puckered from the freezing, but beneath the wrinkles it looked pink, healthy.

  His face was slightly thinner than he remembered it, his arched aquiline nose a little more obvious, his cheekbones a bit more prominent, the hollows beneath them more noticeable. He saw that the neat little mustache he had cultivated so carefully over the years had grayed noticeably; it looked somewhat ragged. I’ll need to attend to that, he thought.

  Then, with a shock, he realized that his dark brown hair had turned completely silver.

  They didn’t tell us to expect that, he said to himself.

  Back on Earth he’d often been called elegant, sophisticated. At this moment, farther from Earth than any human being had ever traveled, he felt shabby, weary, and strangely detached, as if he were watching himself from afar.

  Jordan shook his head, trying to force himself to accept where he was and who he was. While cryonic freezing preserved the body, it also tended to degrade the synapses of the brain’s neurons. All the members of the team had downloaded their memories into the ship’s computer before they’d left Earth and gone into cryosleep.

  With deliberate concentration, Jordan tested the upload. He remembered leading the team into the ship’s luxurious interior. He remembered climbing into the sleep capsule, watching it close over him. Childhood memories floated before him: the Christmas he deduced that Father Christmas was really his parents; tussling with his brother Brandon; graduating from Cambridge; Miriam—he clenched his eyes shut.

  Miriam. Her last days, her final agony.

  My fault. All my fault. My most grievous fault.

  It would have been good to have erased those memories, he thought.

  Slowly, carefully, he pulled on cotton briefs, a turtlenecked white shirt, dark blue jeans, and comfortable loafers. Then he studied himself for a moment in the full-length mirror on the back of the closet’s door, his steel-gray eyes peering intently. You don’t look elegant and sophisticated now, he told himself. You look … bewildered, and more than a little frightened.

  Then he realiz
ed, “I’m hungry.”

  The robot said, “A very normal reaction.” It sounded almost pleased. “The wardroom is less than thirty meters up the passageway, in the direction of the ship’s command center. The dispensers offer a full selection of food and beverages.”

  With a crooked smile, Jordan said, “You sound like an advertising blurb.”

  The robot made no reply, but it turned and opened the door to the passageway.

  Jordan hesitated at the doorway.

  “The wardroom is to the right, Mr. Kell.”

  Jordan tried to recall the ship’s layout. The living and working areas were built into the wheel that turned slowly to give a feeling of gravity. Leaving the robot behind him, he walked carefully along the passageway. Although the floor felt perfectly flat, he could see it curving up and out of sight ahead of him.

  The wardroom was empty as he entered it. Of course, he realized. I’m the first to be revived. I’m the team leader.

  It was a pleasantly decorated compartment, its walls covered with warm pseudowood paneling, its ceiling glowing softly. Six small tables were arranged along its russet-tiled floor; they could be pushed together in any pattern the team wanted. At present they were all standing separately, each table big enough to seat four people.

  Very comfortable, Jordan thought. Of course, crew comfort was a major goal of the mission designers. This far from home, a few luxuries help to keep us happy. And sane. Or so the psychotechs decided.

  One entire wall of the wardroom was taken up by machines that dispensed food and drink. But Jordan’s attention instantly was drawn to the wall opposite, a floor-to-ceiling display screen.

  It showed the planet that the ship was orbiting. A lush green world with deeply blue oceans and fleecy white clouds, brown wrinkles of mountains and broad swaths of grasslands. Heartbreakingly beautiful.

  Jordan marveled at the sight. It really is a New Earth, he thought.

  DATA BANK

  Even while the massive floods, droughts, and killer storms of the greenhouse climate shift were devastating much of Earth, astronomers were detecting several thousand planets orbiting other stars. Most of these exoplanets were gas giants, bloated spheres of hydrogen and helium, totally unlike Earth. But a few percent of them were small, rocky worlds, more like our own.