Redshift

Chapter 24

Lisa moved busily among the WW&FE employees, issuing orders. To the captain of the tug, she reminded, "Remember, get out past the twelve-mile limit before you sink her."

Finally, she turned to her husband.

Danny stood contritely by, his heart and mind obviously elsewhere. out when Lisa rounded on him, he snapped to attention.

"Leese, before I set out on this final charade, I just want to say how grateful I am that you"re allowing me to bow out of this whole enterprise. I just couldn"t swallow any more."

"I"m sure that"s what your girlfriend was just about to say when I barged in."



"Leese, please! I explained all about that."

Lisa laughed, and it sounded like ice floes clinking together. "Oh I"m not angry anymore. I just couldn"t resist a little dig. What a rack! She makes me look like Olive Oyl. Tell me-did it feel like getting your d.i.c.k stuck in the sofa cushions?"

Danny made to turn away, but Lisa stopped him. "Okay, I went over the line there. Sorry.

But look-I had something made up for you just to show I still care."

Lisa accepted from the hovering Jake a modern orange life vest.

"This is a special vest, Danny, just for you. Look, it"s even got your name on it."

"Why, thanks, Leese."

"Let"s see how it fits you."

"Gee, do I have to put it on now?"

"Yes, you have to put it on now."

Danny donned the vest, and Lisa snugged the straps tight, like a conscientious mother adjusting her toddler for kindergarten.

"It"s very heavy. What"s in it? Lead?"

"Not exactly. Oh, look-they"re loading the wheelchairs now. You"d better get on board."

Danny aimed a kiss at Lisa"s lips, but she offered only her cheek. Danny walked away. At the top of the gangplank, he turned and waved, bulky in his life-saving gear.

Within minutes the whole armada was steaming out to sea, including the iceberg, nowstripped of its scaffolding and under tow by a second tug.

When the fleet disappeared from sight, Lisa said, "Well, that"s that."

And then she walked slowly to the Weeping Wall, selected a hot pink teddy bear, and hung it tenderly, her eyes dry as teddy"s b.u.t.tons.

Greg Benford"s resume, outside of writing, is impressive enough for two physics professors (he teaches at UC Irvine and is a fellow at Cambridge University, and an adviser to the White House Council on s.p.a.ce Policy and NASA, to give a partial list) but if you add in his prodigious writing achievements, such as two Nebulas, the John W.

Campbell Award, among others, his nineteen novels (including the cla.s.sic TimescapeJ, numerous short stories as well as various nonfiction work-well, the way I add it up, there must be at least three of him.

Thank heaven one of him was around when I asked for a story for Redshift; you"ll note how it slyly incorporates his Cambridge University experience.

Anomalies.

Gregory Benford.

It was not lost upon the Astronomer Royal that the greatest scientific discovery of all time was made by a carpenter and amateur astronomer from the neighboring cathedral town of Ely. Not by a Cambridge man.

Geoffrey Carlisle had a plain directness that apparently came from his profession, a custom cabinet maker. It had enabled him to get past the practiced deflection skills of the receptionist at the Inst.i.tute for Astronomy, through the a.s.sistant director"s patented brush-off, and into the Astronomer Royal"s corner office.

Running this gauntlet took until early afternoon, as the sun broke through a shroud of soft rain. Geoffrey wasted no time. He dropped a celestial coordinate map on the Astronomer Royal"s mahogany desk, hand amended, and said, "The moon"s off by better"n a degree."

"You measured carefully, I am sure."

The Astronomer Royal had found that the occasional crank did make it through the inst.i.tute"s screen, and in confronting them it was best to go straight to the data. Treat them like fellow members of the profession and they softened. Indeed, astronomy was the only remaining science that profited from the work of amateurs. They discovered the new comets, found wandering asteroids, noticed new novae, and generally patrolled what the professionals referred to as local astronomy-anything that could be seen in the night sky with a telescope smaller than a building.

That Geoffrey had gotten past the scrutiny of the others meant this might conceivably be real. "Very well, let us have a look." The Astronomer Royal had lunched at his desk and so could not use a date in his college as a dodge. Besides, this was crazy enough to perhaps generate an amusing story.

An hour later he had abandoned the story-generating idea. A conference with the librarian, who knew the heavens like his own palm, made it clear that Geoffrey had done all the basic work correctly. He had photos and careful, carpenter-sure data, all showing that, indeed, last night after around eleven o"clock the moon was well ahead of its...o...b..tal position.

"No possibility of systematic error here?" the librarian politely asked the tall, sinewy Geoffrey."Check "em yerself. I was kinda hopin" you fellows would have an explanation, is all."

The moon was not up, so the Astronomer Royal sent a quick e-mail to Hawaii. They thought he was joking, but then took a quick look and came back, rattled. A team there got right on it and confirmed. Once alerted, other observatories in j.a.pan and Australia chimed in.

"It"s out of position by several of its own diameters," the Astronomer Royal mused. "Ahead of its...o...b..t, exactly on track."

The librarian commented precisely, "The tides are off prediction as well, exactly as required by this new position. They shifted suddenly, reports say."

"I don"t see how this can happen," Geoffrey said quietly.

"Nor I," the Astronomer Royal said. He was known for his understatement, which could masquerade as modesty, but here he could think of no way to underplay such a result.

"Somebody else"s bound to notice, I"d say," Geoffrey said, folding his cap in his hands.

"Indeed," the Astronomer Royal suspected some subtlety had slipped by him.

"Point is, sir, I want to be sure I get the credit for the discovery."

"Oh, of course you shall." All amateurs ever got for their labors was their name attached to a comet or asteroid, but this was quite different. "Best we get on to the IAU, ah, the International Astronomical Union," the Astronomer Royal said, his mind whirling. "There"s a procedure for alerting all interested observers. Establish credit, as well."

Geoffrey waved this away. "Me, I"m just a five-inch "scope man. Don"t care about much beyond the priority, sir. I mean, it"s over to you fellows. What I want to know is, what"s it mean?"

Soon enough, as the evening news blared and the moon lifted above the European horizons again, that plaintive question sounded all about. One did not have to be a specialist to see that something major was afoot.

"It all checks," the Astronomer Royal said before a forest of cameras and microphones.

"The tides being off true has been noted by the naval authorities round the world, as well.

Somehow, in the early hours of last evening, Greenwich time, our moon accelerated in its...o...b..t. Now it is proceeding at its normal speed, however."

"Any danger to us?" one of the incisive, investigative types asked.

"None I can see," the Astronomer Royal deflected this mildly. "No panic headlines needed."

"What caused it?" a woman"s voice called from the media thicket.

"We can see no object nearby, no apparent agency," the Astronomer Royal admitted.

"Using what?"

"We are scanning the region on all wavelengths, from radio to gamma rays." An extravagant waste, very probably, but the Astronomer Royal knew the price of not appearing properly concerned. Hand-wringing was called for at all stages.

"Has this happened before?" a voice sharply asked. "Maybe we just weren"t told?"

"There are no records of any such event," the Astronomer Royal said. "Of course, a thousand years ago, who would have noticed? The supernova that left us the Crab nebula went unreported in Europe, though not in China, though it was plainly visible here."

"What do you think, Mr. Carlisle?" a reporter probed. "As a non-specialist?"

Geoffrey had hung back at the press conference, which the crowds had forced the Inst.i.tuteto hold on the lush green lawn outside the old Observatory Building. "I was just the first to notice it," he said. "That far off, pretty d.a.m.ned hard not to."

The media mavens liked this and coaxed him further. "Well, I dunno about any new force needed to explain it. Seems to me, might as well say its supernatural, when you don"t know anything."

This the crowd loved. super amateur says moon is supernatural soon appeared on a tabloid.

They made a hero of Geoffrey. "AS OBVIOUS AS YOUR FACE" SAYS GEOFF. The London Times ran a full-page reproduction of his log book, from which he and the Astronomer Royal had worked out that the acceleration had to have happened in a narrow window around ten P.M., since no observer to the east had noticed any oddity before that.

Most of Europe had been clouded over that night anyway, so Geoffrey was among the first who could have gotten a clear view after what the newspapers promptly termed the "Anomaly," as in ANOMALY MAN STUNS ASTROS.

Of the several thousand working astronomers in the world, few concerned themselves with "local" events, especially not with anything the eye could make out. But now hundreds threw themselves upon the Anomaly and, coordinated out of Cambridge by the Astronomer Royal swiftly outlined its aspects. So came the second discovery.

In a circle around where the moon had been, about two degrees wide, the stars were wrong. Their positions had jiggled randomly, as though irregularly refracted by some vast, unseen lens.

Modern astronomy is a hot compet.i.tion between the quick and the dead-who soon become the untenured.

Five of the particularly quick discovered this Second Anomaly. They had only to search all ongoing observing campaigns and find any that chanced to be looking at that portion of the sky the night before. The media, now in full bay, headlined their comparison photos. Utterly obscure dots of light became famous when blink-comparisons showed them jumping a finger"s width in the night sky, within an hour of the ten P.M. Anomaly Moment.

"Does this check with your observations?" a firm-jawed commentator had demanded of Geoffrey at a hastily called meeting one day later, in the auditorium at the Inst.i.tute for Astronomy. They called upon him first, always-he served as an anchor amid the swift currents of astronomical detail.

Hooting from the traffic jam on Madingley Road nearby nearly drowned out Geoffrey"s plaintive, "I dunno. I"m a planetary man, myself."

By this time even the nightly news broadcasts had caught on to the fact that having a patch of sky behave badly implied something of a wrenching mystery. And no astronomer, however bold, stepped forward with an explanation. An old joke with not a little truth in it-that a theorist could explain the outcome of any experiment, as long as he knew it in advance-rang true, and got repeated. The chattering cla.s.s ran rife with speculation.

But there was still nothing unusual visible there. Days of intense observation in all frequencies yielded nothing.

Meanwhile the moon glided on in its ethereal ellipse, following precisely the equations first written down by Newton, only a mile from where the Astronomer Royal now sat, vexed, with Geoffey. "A don at Jesus College called, fellow I know," the Astronomer Royal said."He wants to see us both."

Geoffrey frowned. "Me? I"ve been out of my depth from the start."

"He seems to have an idea, however. A testable one, he says."

They had to take special measures to escape the media hounds. The inst.i.tute enjoys broad lawns and ample shrubbery, now being trampled by the crowds. Taking a car would guarantee being followed. The Astronomer Royal had chosen his offices here, rather than in his college, out of a desire to escape the busyness of the central town. Now he found himself trapped.

Geoffrey had the solution. The inst.i.tute kept bicycles for visitors, and upon two of these the men took a narrow, tree-lined path out the back of the inst.i.tute, toward town. Slipping down the cobbled streets between ancient, elegant college buildings, they went ignored by students and shoppers alike. Jesus College was a famously well-appointed college along the Cam River, approachable across its ample playing fields. The Astronomer Royal felt rather absurd to be pedaling like an undergraduate, but the exercise helped clear his head. When they arrived at the rooms of Professor Wright, holder of the Wittgenstein Chair, he was grateful for tea and small sandwiches with the crusts cut off, one of his favorites.

Wright was a post-postmodern philosopher, reedy and intense. He explained in a compact, energetic way that in some sense, the modern view was that reality could be profitably regarded as a computation.

Geoffrey bridled at this straightaway, scowling with his heavy eyebrows. "It"s real, not a bunch of arithmetic."

Wright pointedly ignored him, turning to the Astronomer Royal. "Martin, surely you would agree with the view that when you fellows search for a Theory of Everything, you are pursuing a belief that there is an abbreviated way to express the logic of the universe, one that can be written down by human beings?"

"Of course," the Astronomer Royal admitted uncomfortably, but then said out of loyalty to Geoffrey, "All the same, I do not subscribe to the belief that reality can profitably be seen as some kind of cellular automata, carrying out a program."

Wright smiled without mirth. "One might say you are revolted not by the notion that the universe is a computer, but by the evident fact that someone else is using it."

"You gents have got way beyond me," Geoffrey said.

"The idea is, how do physical laws act themselves out?" Wright asked in his lecturer voice. "Of course, atoms do not know their own differential equations." A polite chuckle. "But to find where the moon should be in the next instant, in some fashion the universe must calculate where it must go. We can do that, thanks to Newton."

The Astronomer Royal saw that Wright was humoring Geoffrey with this simplification, and suspected that it would not go down well. To hurry Wright along he said, "To make it happen, to move the moon-"

"Right, that we do not know. Not a clue. How to breathe fire into the equations, as that Hawking fellow put it-"

"But look, nature doesn"t know maths," Geoffrey said adamantly. "No more than I do."

"But something must, you see," Professor Wright said earnestly, offering them another plate of the little cut sandwiches and deftly opening-a bottle of sherry. "Of course, I am using our human way of formulating this, the problem of natural order. The world is usefully describedby mathematics, so in our sense the world must have some mathematics embedded in it."

"G.o.d"s a b.l.o.o.d.y mathematician?" Geoffrey scowled.

The Astronomer Royal leaned forward over the antique oak table. "Merely an expression."

"Only way the stars could get out of whack," Geoffrey said, glancing back and forth between the experts, "is if whatever caused it came from there, I"d say."

"Quite right." The Astronomer Royal pursed his lips. "Unless the speed of light has gone off, as well, no signal could have rearranged the stars straight after doing the moon."

"So we"re at the tail end of something from out there, far away," Geoffrey observed.

"A long, thin disturbance propagating from distant stars. A very tight beam of ... well, error. But from what?" The Astronomer Royal had gotten little sleep since Geoffrey"s appearance, and showed it.

"The circle of distorted stars," Professor Wright said slowly, "remains where it was, correct?"

The Astronomer Royal nodded. "We"ve not announced it, but anyone with a cheap telescope-sorry, Geoffrey, not you, of course-can see the moon"s left the disturbance behind, as it follows its...o...b..t."

Wright said, "Confirming Geoffrey"s notion that the disturbance is a long, thin line of-well, I should call it an error."

"Is that what you meant by a checkable idea?" the Astronomer Royal asked irritably.

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