How Beautiful With Banners
by James Blish 

Feeling as naked as a peppermint soldier in her transparent film wrap, Dr. Ulla Hillstrøm watched a flying cloak swirl away toward the black horizon with a certain consequent irony. Although nearly transparent itself in the distant dim arc-light flame that was Titan's sun, the fluttering creature looked warmer than what she was wearing, for all that reason said it was at the same minus 316° F. as the thin methane it flew in. Despite the virus space-bubble's warranted and eerie efficiency, she found its vigilance—itself probably as nearly alive as the flying cloak was—rather difficult to believe in, let alone to trust. 
The machine—as Ulla much preferred to think of it—was inarguably an improvement on the old-fashioned pressure suit. Made (or more accurately, cultured) of a single colossal protein molecule, the vanishingly thin sheet of life-stuff processed gases, maintained pressure, monitored radiation through almost the whole of the electromagnetic spectrum, and above all did not get in the way. Also, it could not be cut, punctured or indeed sustain any damage short of total destruction; macroscopically it was a single, primary unit, with all the physical integrity of a crystal of salt or steel. 
If it did not actually think, Ulla was grateful; often it almost seemed to, which was sufficient. Its primary drawback for her was that much of the time it did not really seem to be there. 
Still, it seemed to be functioning; otherwise Ulla would in fact have been as solid as a stick of candy, toppled forever across the confectionery whiteness that frosted the knife-edged stones of this cruel moon, layer upon layer. Outside—only a perilous few inches from the lightly clothed warmth of her skin—the brief gust the cloak had been soaring on died, leaving behind a silence so cataleptic that she could hear the snow creaking in a mockery of motion. Impossible though it was to comprehend, it was getting still colder out there. Titan was swinging out across Saturn's orbit toward eclipse, and the apparently fixed sun was secretly going down, its descent sensed by the snows no matter what her Earthly sight, accustomed to the nervousness of living skies, tried to tell her. In another two Earth days it would be gone, for an eternal week. 
At the thought, Ulla turned to look back the way she had come that morning. The virus bubble flowed smoothly with the motion and the stars became brighter as it compensated for the fact that the sun was now at her back. She still could not see the base camp, of course. She had strayed too far for that, and in any event, except for a few wiry palps, it was wholly underground. 
Now there was no sound but the creaking of the methane snow, and nothing to see but a blunt, faint spearhead of hazy light, deceptively like an Earthly aurora or the corona of the sun, pushing its way from below the edge of the cold into the indifferent company of the stars. Saturn's rings were rising, very slightly awaver in the dark blue air, like the banners of a spectral army. The idiot face of the gas giant planet itself, faintly striped with meaningless storms, would be glaring down at her before she could get home if she did not get herself in motion soon. Obscurely disturbed, Dr. Hillstrøm faced front and began to unload her sled. 
The touch and clink of the sampling gear cheered her, a little, even in this ultimate loneliness. She was efficient—many years, and a good many suppressed impulses, had seen to that; it was too late for temblors, especially so far out from the sun that had warmed her Stockholm streets and her silly friendships. All those null adventures were gone now like a sickness. The phantom embrace of the virus suit was perhaps less satisfying—only perhaps—but it was much more reliable. Much more reliable; she could depend on that. 
Then, as she bent to thrust the spike of a thermocouple into the wedding-cake soil, the second flying cloak (or was it the same one?) hit her in the small of the back and tumbled her into nightmare. 

· · · · · 

With the sudden darkness there came a profound, ambiguous emotional blow—ambiguous, yet with something shockingly familiar about it. Instantly exhausted, she felt herself go flaccid and unstrung, and her mind, adrift in nowhere, blurred and spun downward too into trance. 
The long fall slowed just short of unconsciousness, lodged precariously upon a shelf of dream, a mental buttress founded four years in the past—a long distance, when one recalls that in a four-dimensional plenum every second of time is 186,000 miles of space. The memory was curiously inconsequential to have arrested her, let alone supported her: not of her home, of her few triumphs or even of her aborted marriage, but of a sordid little encounter with a reporter that she had talked herself into at the Madrid genetics conference, when she herself was already an associate professor, a Swedish government delegate, a 25-year-old divorcée, and altogether a woman who should have known better. 
But better than what? The life of science even in those days had been almost by definition the life of the eternal campus exile. There was so much to learn—or, at least, to show competence in—that people who wanted to be involved in the ordinary, vivid concerns of human beings could not stay with it long, indeed often could not even be recruited. They turned aside from the prospect with a shudder or even a snort of scorn. To prepare for the sciences had become a career in indefinitely protracted adolescence, from which one awakened fitfully to find one's adult self in the body of a stranger. It had given her no pride, no self-love, no defenses of any sort; only a queer kind of virgin numbness, highly dependent upon familiar surroundings and unvalued habits, and easily breached by any normally confident siege in print, in person, anywhere—and remaining just as numb as before when the spasm of fashion, politics or romanticism had swept by and left her stranded, too easy a recruit to have been allowed into the center of things or even considered for it. 
Curious, most curious that in her present remote terror she should find even a moment's rest upon so wobbly a pivot. The Madrid incident had not been important; she had been through with it almost at once. Of course, as she had often told herself, she had never been promiscuous, and had often described the affair, defiantly, as that single (or at worst, second) test of the joys of impulse which any woman is entitled to have in her history. Nor had it really been that joyous. She could not now recall the boy's face, and remembered how he had felt primarily because he had been in so casual and contemptuous a hurry. 
But now that she came to dream of it, she saw with a bloodless, lightless eye that all her life, in this way and in that, she had been repeatedly seduced by the inconsequential. She had nothing else to remember even in this hour of her presumptive death. Acts have consequences, a thought told her, but not ours; we have done, but never felt. We are no more alone on Titan, you and I, than we have ever been. Basta, per carita! —so much for Ulla. 
Awakening in the same darkness as before, Ulla felt the virus bubble snuggling closer to her blind skin, and recognized the shock that had so regressed her—a shock of recognition, but recognition of something she had never felt herself. Alone in a Titanic snowfield, she had eavesdropped on an … 
No. Not possible. Sniffling, and still blind, she pushed the cozy bubble away from her breasts and tried to stand up. Light flushed briefly around her, as though the bubble had cleared just above her forehead and then clouded again. She was still alive, but everything else was utterly problematical. What had happened to her? She simply did not know. 
Therefore, she thought, begin with ignorance. No one begins anywhere else … but I did not know even that, once upon a time. 
Hence: 

· · · · · 

Though the virus bubble ordinarily regulated itself, there was a control box on her hip—actually an ultra-short-range microwave transmitter—by which it could be modulated against more special environments than the bubble itself could cope with alone. She had never had to use it before, but she tried it now. 
The fogged bubble cleared patchily, but it would not stay cleared. Crazy moirés and herringbone patterns swept over it, changing direction repeatedly, and, outside, the snowy landscape kept changing color like a delirium. She found, however, that by continuously working the frequency knob on her box—at random, for the responses seemed to bear no relation to the Braille calibrations on the dial—she could maintain outside vision of a sort in pulses of two or three seconds each. 
This was enough to show her, finally, what had happened. There was a flying cloak around her. This in itself was unprecedented; the cloaks had never attacked a man before, or indeed paid any of them the least attention during their brief previous forays. On the other hand, this was the first time anyone had ventured more than five or ten minutes outdoors in a virus suit. 
It occurred to her suddenly that insofar as anything was known about the nature of the cloaks, they were in some respect much like the bubbles. It was almost as though the one were a wild species of the other. 
It was an alarming notion and possibly only a metaphor, containing as little truth as most poetry. Annoyingly, she found herself wondering if, once she got out of this mess, the men at the base camp would take to referring to it as "the cloak and suit business." 
The snowfield began to turn brighter; Saturn was rising. For a moment the drifts were a pale straw color, the normal hue of Saturn light through an atmosphere; then it turned a raving Kelly green. Muttering, Ulla twisted the potentiometer dial, and was rewarded with a brief flash of normal illumination which was promptly overridden by a torrent of crimson lake, as though she were seeing everything through a series of photographic color separations. 
Since she could not help this, she clenched her teeth and ignored it. It was much more important to find out what the flying cloak had done to her bubble, if she were to have any hope of shucking the thing. 
There was no clear separation between the bubble and the Titanian creature. They seemed to have blended into a melange which was neither one nor the other, but a sort of coarse burlesque of both. Yet the total surface area of the integument about her did not seem to be any greater—only more ill-fitting, less responsive to her own needs. Not much less; after all, she was still alive, and any really gross insensitivity to the demands and cues of her body would have been instantly fatal. But there was no way to guess how long the bubble would stay even that obedient. At the moment the wild thing that had enslaved it was perhaps dangerous to the wearer only if she panicked, but the change might well be progressive, pointed ultimately toward some saturnine equivalent of the shirt of Nessus. 
And that might be happening very rapidly. She might not be allowed the time to think her way out of this fix by herself. Little though she wanted any help from the men at the base camp, and useless though she was sure they would prove, she had damn well better ask for it now, just in case. 
But the bubble was not allowing any radio transmission through its roiling unicell wall today. The earphone was dead; not even the hiss of the stars came through it—only an occasional pop of noise that was born of entropy loss in the circuits themselves. 
She was cut off. Nun denn, allein! 
With the thought, the bubble cloak shifted again around her. A sudden pressure at her lower abdomen made her stumble forward over the crisp snow, four or five steps. Then it was motionless once more, except within itself. 
That it should be able to do this was not surprising, for the cloaks had to be able to flex voluntarily at least a little to catch the thermals they rode, and the bubble had to be able to vary its dimensions and surface tension over a wide range to withstand pressure changes, outside and in, and do it automatically. No, of course the combination would be able to move by itself. What was disquieting was that it should want to. 
Another stir of movement in the middle distance caught her eye: a free cloak, seemingly riding an updraft over a fixed point. For a moment she wondered what on that ground could be warm enough to produce so localized a thermal. Then, abruptly, she realized that she was shaking with hatred, and fought furiously to drive the spasm down, her fingernails slicing into her naked palms. 
A raster of jagged black lines, like a television interference pattern, broke across her view and brought her attention fully back to the minutely solipsistic confines of her dilemma. The wave of emotion, nevertheless, would not quite go away, and she had a vague but persistent impression that it was being imposed from outside, at least in part—a cold passion she was interpreting as fury because its real nature, whatever it was, had no necessary relevance to her own imprisoned soul. For all that it was her own life and no other that was in peril, she felt guilty, as though she were eavesdropping, and as angry with herself as with what she was overhearing, yet burning as helplessly as the forbidden lamp in the bedchamber of Psyche and Eros. 
Another metaphor—but was it after all so far-fetched? She was a mortal present at the mating of inhuman essences; mountainously far from home; borne here like invisible lovers upon the arms of the wind; empalaced by a whole virgin-white world, over which flew the banners of a high god and a father of gods and, equally appropriately, Venus was very far away from whatever love was being celebrated here. 
What ancient and coincidental nonsense! Next she would be thinking herself degraded at the foot of some cross. 
Yet the impression, of an eerie tempest going on just slightly outside any possibility of understanding what it was, would not pass away. Still worse, it seemed to mean something, to be important, to mock her with subtle clues to matters of great moment, of which her own present trap was only the first and not necessarily the most significant. 
And suppose that all these impressions were in fact not extraneous or irrelevant, but did have some import—not just as an abstract puzzle, but to that morsel of displaced life that was Ulla Hillstrøm? No matter how frozen her present world, she could not escape the fact that from the moment the cloak had captured her she had been simultaneously gripped by a Sabbat of specifically erotic memories, images, notions, analogies, myths, symbols and frank physical sensations, all the more obtrusive because they were both inappropriate and disconnected. It might well have to be faced that a season of love can fall due in the heaviest weather—and never mind what terrors flow in with it or what deep damnations. At the very least, it was possible that somewhere in all this was the clue that would help her to divorce herself at last even from this violent embrace. 
But the concept was preposterous enough to defer consideration of it if there were any other avenues open, and at least one seemed to be: the source of the thermal. The virus bubble, like many of the Terrestrial micro-organisms to which it was analogous, could survive temperatures well above boiling, but it seemed reasonable to assume that the flying cloaks, evolved on a world where even words congealed, might be sensitive to a relatively slight amount of heat. 
Now, could she move of her own volition inside this shroud? She tried a step. The sensation was tacky, as though she were plowing in thin honey, but it did not impede her except for a slight imposed clumsiness which experience ought to obviate. She was able to mount the sled with no trouble. 
The cogs bit into the snow with a dry, almost inaudible squeaking and the sled inched forward. Ulla held it to as slow a crawl as possible, because of her interrupted vision. 
The free cloak was still in sight, approximately where it had been before, insofar as she could judge against this featureless snowscape; which was fortunate, since it might well be her only flag for the source of the thermal, whatever it was. 
A peculiar fluttering in her surroundings—a whisper of sound, of motion, of flickering in the light—distracted her. It was as though her compound sheath were trembling slightly. The impression grew slowly more pronounced as the sled continued to lurch forward. As usual there seemed to be nothing she could do about it, except, possibly, to retreat; but she could not do that either, now; she was committed. Outside, she began to hear the soft soughing of a steady wind. 
The cause of the thermal, when she finally reached it, was almost bathetic—a pool of liquid. Placid and deep blue, it lay inside a fissure in a low, heart-shaped hummock, rimmed with feathery snow. It looked like nothing more or less than a spring, though she did not for a moment suppose that the liquid could be water. She could not see the bottom of it; evidently it was welling up from a fair depth. The spring analogy was probably completely false; the existence of anything in a liquid state on this world had to be thought of as a form of vulcanism. Certainly the column of heat rising from it was considerable; despite the thinness of the air, the wind here nearly howled. The free cloak floated up and down, about a hundred feet above her, like the last leaf of a long, cruel autumn. Nearer home, the bubble cloak shook with something comically like subdued fury. 
Now, what to do? Should she push boldly into that cleft, hoping that the alien part of the bubble cloak would be unable to bear the heat? Close up, that course now seemed foolish, as long as she was ignorant of the real nature of the magma down there. And besides, any effective immersion would probably have to surround at least half of the total surface area of the bubble, which was not practicable—the well was not big enough to accommodate it, even supposing that the compromised virus suit did not fight back, as in the pure state it had been obligated to do. On the whole she was reluctantly glad that the experiment was impossible, for the mere notion of risking a new immolation in that problematical well horrified her. 
Yet the time left for decision was obviously now very short, even supposing—as she had no right to do—that the environment-maintaining functions of the suit were still in perfect order. The quivering of the bubble was close to being explosive, and even were it to remain intact, it might shut her off from the outside world at any second. 
The free cloak dipped lower, as if in curiosity. That only made the trembling worse. She wondered why. 
Was it possible—was it possible that the thing embracing her companion was jealous? 

· · · · · 

There was no time left to examine the notion, no time even to sneer at it. Act—act! Forcing her way off the sled, she stumbled to the well and looked frantically for some way of stopping it up. If she could shut off the thermal, bring the free cloak still closer—but how? 
Throw rocks. But were there any? Yes, there, there were two, not very big, but at least she could move them. She bent stiffly and tumbled them into the crater. 
The liquid froze around them with soundless speed. In seconds, the snow rimming the pool had drawn completely over it, like lips closing, leaving behind only a faint dimpled streak of shadow on a white ground. 
The wind moaned and died, and the free cloak, its hems outspread to the uttermost, sank down as if to wrap her in still another deadly swath. Shadow spread around her; the falling cloak, its color deepening, blotted Saturn from the sky, and then was sprawling over the beautiful banners of the rings— 
The virus bubble convulsed and turned black, throwing her to the frozen ground beside the hummock like a bead doll. A blast of wind squalled over her. 
Terrified, she tried to curl into a ball. The suit puffed up around her. 
Then at last, with a searing invisible wrench at its contained kernel of space-time which burned out the control box instantly, the single creature that was the bubble cloak tore itself free of Ulla and rose to join its incomplete fellow. 
In the single second before she froze forever into the livid backdrop of Titan, she failed even to find time to regret what she had never felt, for she had never known it, and only died as she had lived, an artifact of successful calculation. She never saw the cloaks go flapping away downwind—nor could it ever have occurred to her that she had brought anything new to Titan, thus beginning that long evolution the end of which, sixty millions of years away, no human being would see. 
No, her last thought was for the virus bubble, and it was only two words long: 
You philanderer— 
Almost on the horizon, the two cloaks, the two Titanians, flailed and tore at each other, becoming smaller and smaller with distance. Bits and pieces of them flaked off and fell down the sky like ragged tears. Ungainly though the cloaks normally were, they courted even more clumsily. 
Beside Ulla, the well was gone; it might never have existed. Overhead, the banners of the rings flew changelessly, as though they too had seen nothing—or perhaps, as though in the last six billion years they had seen everything, siftings upon siftings in oblivion, until nothing remained but the banners of their own mirrored beauty. 
The End