message was received, she was detected from the earth, as an added speck on the stippled surface of a lunar ‘sea’.
As time passed, however, accidents became rarer; indeed, so rare that trips in the void began to be a popular form of amusement. Literature of the period reverberates with the novelty of such experiences, with the sense that man had at last learned true flight, and acquired the freedom of the solar system. Writers dwelt upon the shock of seeing, as the vessel soared and accelerated, the landscape dwindle to a mere illuminated disc or crescent, surrounded by constellations. They remarked also the awful remoteness and mystery which travellers experienced on these early voyages, with dazzling sunlight on one side of the vessel and dazzlingly bespangled night on the other. They described how the intense sun spread his corona against a black and star-crowded sky. They expatiated also on the overwhelming interest of approaching another planet; of inspecting from the sky the still visible remains of Martian civilization; of groping through the cloud banks of Venus to discover islands in her almost coastless ocean; of daring an approach to Mercury, till the heat became insupportable in spite of the best refrigerating mechanism; of feeling a way across the belt of the asteroids and onwards toward Jupiter, till shortage of air and provisions forced a return.
But though the mere navigation of space was thus easily accomplished, the major task was still untouched. It was necessary either to remake man’s nature to suit another planet, or to modify conditions upon another planet to suit man’s nature. The former alternative was repugnant to the Fifth Men. Obviously it would entail an almost complete refashioning of the human organism. No existing individual could possibly be so altered as to live in the present conditions of Mars or Venus. And it would probably prove impossible to create a new being, adapted to these conditions, without sacrificing the brilliant and harmonious constitution of the extant species.
On the other hand, Mars could not be made habitable without first being stocked, with air and water; and such an undertaking seemed impossible. There was nothing for it, then, but to attack Venus. The polar surfaces of that planet, shielded by impenetrable depths of cloud, proved after all not unendurably hot. Subsequent generations might perhaps be modified so as to withstand even the sub-arctic and ‘temperate’ climates. Oxygen was plentiful, but it was all tied up in chemical combination. Inevitably so, since oxygen combines very readily, and on Venus there was no vegetable life to exhale the free gas and replenish the ever-vanishing supply. It was necessary, then, to equip Venus with an appropriate vegetation, which in the course of ages should render the planet’s atmosphere hospitable to man. The chemical and physical conditions on Venus had therefore to be studied in great detail, so that it might be possible to design a kind of life which would have a chance of flourishing. This research had to be carried out from within the ether-ships, or with gas helmets, since no human being could live in the natural atmosphere of the planet.
We must not dwell upon the age of heroic research and adventure which now began. Observations of the lunar orbit were showing that ten million years was too long an estimate of the future habitability of the earth; and it was soon realized that Venus could not be made ready soon enough unless some more rapid change was set on foot. It was therefore decided to split up some of the ocean of the planet into hydrogen and oxygen by a vast process of electrolysis. This would have been a more difficult task, had not the ocean been relatively free from salt, owing to the fact that there was so little dry land to be denuded of salts by rain and river. The oxygen thus formed by electrolysis would be allowed to mix with the atmosphere. The hydrogen had to be got rid of somehow, and an ingenious method was devised by which it should be ejected beyond the limits of the atmosphere at so great a speed that it would never return. Once sufficient free oxygen had been produced, the new vegetation would replenish the loss due to oxidation. This work was duly set on foot. Great automatic electrolysing stations were founded on several of the islands; and biological research produced at length a whole flora of specialized vegetable types to cover the land surface of the planet. It was hoped that in less than a million years Venus would be fit to receive the human race, and the race fit to live on Venus.
Meanwhile a careful survey of the planet had been undertaken. Its land surface, scarcely more than a thousandth that of the earth, consisted of an unevenly distributed archipelago of mountainous islands. The planet had evidently not long ago been through a mountain-forming era, for soundings proved its whole surface to be extravagantly corrugated. The ocean was subject to terrific storms and currents; for since the planet took several weeks to rotate, there was a great difference of temperature and atmospheric pressure between the almost Arctic hemisphere of night and the sweltering hemisphere of day. So great was the evaporation, that open sky was almost never visible from any part of the planet’s surface; and indeed the average daytime weather was a succession of thick fogs and fantastic thunderstorms. Rain in the evening was a continuous torrent. Yet before night was over the waves clattered with fragments of ice.
Man looked upon his future home with loathing, and on his birthplace with an affection which became passionate. With its blue sky, its incomparable starry nights, its temperate and varied continents, its ample spaces of agriculture, wilderness, and park, its well-known beasts and plants, and all the material fabric of the most enduring of terrestrial civilizations, it seemed to the men and women who were planning flight almost a living thing imploring them not to desert it. They looked often with hate at the quiet moon, now visibly larger than the moon of history. They revised again and again their astronomical and physical theories, hoping for some flaw which should render the moon’s observed behaviour less mysterious, less terrifying. But they found nothing. It was as though a fiend out of some ancient myth had come to life in the modern world, to interfere with the laws of nature for man’s undoing.
4. PREPARING A NEW WORLD
Another trouble now occurred. Several electrolysis stations on Venus were wrecked, apparently by submarine eruption. Also, a number of ether-ships, engaged in surveying the ocean, mysteriously exploded. The explanation was found when one of these vessels, though damaged, was able to return to the earth. The commander reported that, when the sounding line was drawn up, a large spherical object was seen to be attached to it. Closer inspection showed that this object was fastened to the sounding apparatus by a hook, and was indeed unmistakably artificial, a structure of small metal plates riveted together. While preparations were being made to bring the object within the ship, it happened to bump against the hull, and then it exploded.
Evidently there must be intelligent life somewhere in the ocean of Venus. Evidently the marine Venerians resented the steady depletion of their aqueous world, and were determined to stop it. The terrestrials had assumed that water in which no free oxygen was dissolved could not support life. But observation soon revealed that in this world-wide ocean there were many living species, some sessile, others free-swimming, some microscopic, others as large as whales. The basis of life in these creatures lay not in photosynthesis and chemical combination, but in the controlled disintegration of radio-active atoms. Venus was particularly rich in these atoms, and still contained certain elements which had long ago ceased to exist on the earth. The oceanic fauna subsisted in the destruction of minute quantities of radio-active atoms throughout its tissues.
Several of the Venerian species had attained considerable mastery over their physical environment, and were able to destroy one another very competently with various mechanical contrivances. Many types were indeed definitely intelligent and versatile within certain limits. And of these intelligent types, one had come to dominate all the others by virtue of its superior intelligence, and had constructed a genuine civilization on the basis of radio-active power. These most developed of all the Venerian creatures were beings of about the size and shape of a swordfish. They had three manipulative organs, normally sheathed within the long ‘sword’, but capable of extension beyond its point, as three branched muscular tentacles. They swam with a curious screw-like motion of their bodies and triple tails. Three fins enabled them to steer. They had also organs of phosphorescence, vision, touch, and something analogous to hearing. They appeared to reproduce asexually, laying eggs in the ooze of the ocean bed. They had no need of nutrition in the ordinary sense; but in infancy they seemed to gather enough radio-active matter to keep them alive