I think now that our cruiser's mad downward plunge must have lasted for minutes, at least, yet at the time it seemed over in a single instant. I have a confused memory of the bridgeroom spinning about us as we whirled down, of myself throwing back the controls with a last, instinctive action, and then there came a ripping, rending crash, a violent shock, and I was flung into a corner of the room with terrific force.
Dazed by the swift action of the last few minutes I lay there motionless for a space of seconds, then scrambled to my feet. Hurus Hol and Dal Nara were staggering up likewise, the latter hastening at once down into the cruiser's hull, but Nal Jak, the wheelman, lay motionless against the wall, stunned by the shock. Our first act was to bring him back to consciousness by a few rough first-aid measures, and then we straightened and gazed about us.
Apparently our cruiser's keel was resting upon the ground, but was tilted over at a sharp angle, as the slant of the room's floor attested. Through the broad windows we could see that around our prostrate ship lay a thick, screening grove of black tree-growths which we had glimpsed from above, and into which we had crashed in our mad plunge downward. As I was later to learn, it was only the shock-absorbing qualities of the vegetation into which we had fallen, and my own last-minute rush to the controls, which had slowed our fall enough to save us from annihilation.
There was a buzz of excited voices from the crew in the hull beneath us, and then I turned at a sudden exclamation from Hurus Hol, to find him pointing up through the observation windows in the bridgeroom's ceiling. I glanced up, then shrank back. For high above were circling a score or more of the long black cones which had attacked us, and which were apparently surveying the landscape for some clue to our fate. I gave a sharp catch of indrawn breath as they dropped lower toward us, and we crouched with pounding hearts while they dropped lower toward us, and while they dropped nearer. Then we uttered simultaneous sighs of relief as the long shapes above suddenly drove back up toward the zenith, apparently certain of our annihilation, massing and wheeling and then speeding back toward the glowing city from which they had risen to attack us.
We rose to our feet again, and as we did so the door clicked open to admit Dal Nara. She was a bruised, disheveled figure, like the rest of us, but there was something like a grin on her face.
"That cone that rammed us shattered two of our rear vibration-projectors," she announced, "but that was all the damage. And outside of one man with a broken shoulder the crew is all right."
"Good!" I exclaimed. "It won't take long to replace the broken projectors."
She nodded. "I ordered them to put in two of the spares," she explained. "But what then?"
I considered for a moment. "None of our other cruisers escaped, did they?" I asked.
Dal Nara slowly shook her head. "I don't think so," she said. "Nearly all of them were destroyed in the first few minutes. I saw Ship 16 racing up in an effort to escape, heading back toward the Galaxy, but there were cones hot after it and it couldn't have got away."
The quiet voice of Hurus Hol broke in upon us. "Then we alone can take back word to the Federation of what is happening here," he said. His eyes suddenly flamed. "Two things we know, he exclaimed. "We know that this dark star's curving path through space, which will bring it so fatally near to our own sun in passing, is a path contrary to all the laws of astronomical science. And we know now, too, that upon this dark star world, in those glowing cities yonder, live beings of some sort who possess, apparently, immense intelligence and power."
My eyes met his. "You mean-" I began, but he interrupted swiftly.
"I mean that in my belief the answer to this riddle lies in that glowing city yonder, and that it is there we must go to find that answer."
"But how?" I asked. "If we take the cruiser near it they'll sight us and annihilate us."
"There is another way," said Hurus Hol. "We can leave the cruiser and its crew hidden here, and approach the city on foot-get as near to it as possible-learn what we can about it."
I think that we all gasped at that suggestion, but as I quickly revolved it in my mind I saw that it was, in reality, our only chance to secure any information of value to take back to the Federation. So we adopted the idea without further discussion and swiftly laid our plans for the venture. At first it was our plan for only us three to go, but at Dal Nara's insistence we included the pilot in our party, the more quickly because I knew her to be resourceful and quick-witted.
* * *
Two hours we spent in sleep, at the suggestions of Hurus Hol, then ate a hasty meal and looked to our weapons, small projectors of the decohesion ray similar to the great ray-tubes of the cruiser. Already the ship's two shattered vibration-projectors had been replaced by new spares, and our last order was for the crew and under-officers to await our return without moving beyond the ship in any event. Then the cruiser's hull-door snapped open and we four stepped outside, ready for our venture.
The sandy ground upon which we stood glowed with the feeble white light which seemed to emanate from all rock and soil on this strange world, a weird light which beat upward upon us instead of down. And in this light the twisted, alien forms of the leafless trees around us writhed upward into the dusky air, their smooth black branches tangling and intertwining far above our heads. As we paused there Hurus Hol reached down for a glowing pebble, which he examined intently for a moment.
"Radio-active," he commented. "All this glowing rock and soil." Then he straightened, glanced around, and led the way unhesitatingly through the thicket of black forest into which our ship had fallen.
Silently we followed him. in single file, across the shining soil and beneath the distorted arches of the twisted trees, until at last we emerged from the thicket and found ourselves upon the open expanse of the glowing plain. It was a weird landscape which met our eyes, a landscape of glowing plains and shallow valleys patched here and there with the sprawling thickets of black forest, a pale, luminous world whose faint light beat feebly upward into the dusky, twilight skies above. In the distance, perhaps two miles ahead, a glow of deeper light flung up against the hovering dusk from the massed buildings of the luminous city, and toward this we tramped steadily onward, over the shining plains and gullies and once over a swift little brook whose waters glowed as they raced like torrents of rushing light. Within an hour we had drawn to within a distance of five hundred feet from the outermost of the city's pyramidal buildings, and crouched in a little clump of dark tree-growths, gazing fascinatedly toward it.
The scene before us was one of unequaled interest and activity. Over the masses of huge, shining buildings were flitting great swarms of the long black cones, moving from roof to roof, while in the shining streets below them moved other hordes of active figures, the people of the city. And as our eyes took in these latter I think that we all felt something of horror, in spite of all the alien forms which we were familiar with in the thronging worlds of the Galaxy. For in these creatures was no single point of resemblance to anything human, nothing which the appalled intelligence could seize upon as familiar. Imagine an upright cone of black flesh, several feet in diameter and three or more in height, supported by a dozen or more smooth long tentacles which branched from its lower end-supple, boneless octopus-arms which held the cone-body upright and which served both as arms and legs. And near the top of that cone trunk were the only features, the twin tiny orifices which were the ears and a single round and red-rimmed white eye, set between them. Thus were these beings in appearance, black tentacle-creatures, moving in unending swirling throngs through streets and squares and buildings of their glowing city.
Helplessly we stared upon them, from our place of concealment. To venture into sight, I knew, would be to court swift death. I turned to Hurus Hol, then started as there came from the city ahead a low, waxing sound-note, a deep, powerful tone of immense volume which sounded out over the city like the blast of a deep-pitched horn. Another note joined it, and another, until it seemed that a score of mighty horns were calling across the city, and then they died away. But as we looked now we saw that the shining streets were emptying, suddenly, that the moving swarms of black tentacle-creatures were passing into the pyramidal buildings, that the cones above were slanting down toward the roofs and coming to rest. Within a space of minutes the streets seemed entirely empty and deserted, and the only sign of activity over all the city was the hovering of a few cones that still moved restlessly above it. Astounded, we watched, and then the explanation came suddenly to me.
"It's their sleep-period!" I cried. "Their night! These things must rest, must sleep, like any living thing, and as there's no night on this glowing world those horn-notes must signal the beginning of their sleep-period."
Hurus Hol was on his feet, his eyes suddenly kindling. "It's a chance in a thousand to get inside the city!" he exclaimed.
The next moment we were out of the shelter of our concealing trees and were racing across the stretch of ground which separated us from the city. And five minutes later we were standing in the empty, glowing streets, hugging closely the mighty sloping walls of the huge buildings along it.
At once Hurus Hol led the way directly down the street toward the heart of the city, and as we hastened on beside him he answered to my question, "We must get to the city's center. There's something there which I glimpsed from our ship, and if it's what I think-"
He had broken into a run, now, and as we raced together down the bare length of the great, shining avenue, I, for one, had an unreassuring presentiment of what would happen should the huge buildings around us disgorge their occupants before we could get out of the city. Then Hurus Hol had suddenly stopped short, and at a motion from him we shrank swiftly behind the corner of a pyramid's slanting walls. Across the street ahead of us were passing a half-dozen of the tentacle-creatures, gliding smoothly toward the open door of one of the great pyramids. A moment we crouched, holding our breath, and then the things had passed inside the building and the door had slid shut behind them. At once we leapt out and hastened on.
We were approaching the heart of the city, I judged, and ahead the broad, shining street we followed seemed to end in a great open space of some sort. As we sped toward it, between the towering luminous lines of buildings, a faint droning sound came to our ears from ahead, waxing louder as we hastened on. The clear space ahead was looming larger, nearer, now, and then as we raced past the last great building on the street's length we burst suddenly into view of the opening ahead and stopped, staring dumfoundedly toward it.
It was no open plaza or square, but a pit-a shallow, circular pit not more than a hundred feet in depth but all of a mile in diameter, and we stood at the rim or edge of it. The floor was smooth and flat, and upon that floor there lay a grouped mass of hundreds of half-globes or hemispheres, each fifty feet in diameter, which were resting upon their flat bases with their curving sides uppermost. Each of these hemispheres was shining with light, but it was very different light from the feeble glow of the buildings and streets around us, an intensely brilliant blue radiance which was all but blinding to our eyes. From these massed, radiant hemispheres came the loud droning we had heard, and now we saw, at the pit's farther edge, a cylindrical little room or structure of metal which was supported several hundred feet above the pit's floor by a single slender shaft of smooth round metal, like a great bird-cage. And toward this cage-structure Hurus Hol was pointing now, his eyes flashing.
"It's the switch-board of the thing!" he cried. "And these brilliant hemispheres-the unheard-of space-path of this dark star-it's all clear now! All-"
He broke off, suddenly, as Nal Jak sprang back, uttering a cry and pointing upward. For the moment we had forgotten the hovering cones above the city, and now one of them was slanting swiftly downward, straight toward us.
We turned, ran back, and the next moment an etheric bomb crashed down upon the spot where we had stood, exploding silently in a great flare of light. Another bomb fell and flared, nearer, and then I turned with sudden fierce anger and aimed the little ray-projector in my hand at the hovering cone above. The brilliant little beam cut across the dark shape; the black cone hovered still for a moment, then crashed down into the street to destruction. But now, from above and beyond, other cones were slanting swiftly down toward us, while from the pyramidal buildings beside us hordes of the black tentacle-creatures were pouring out in answer to the alarm.
In a solid, resistless swarm they rushed upon us. I heard a yell of defiance from Dal Nara, beside me, the hiss of our rays as they clove through the black masses in terrible destruction, and then they were upon us. A single moment we whirled about in a wild melee of men and cone-creatures, of striking human arms and coiling tentacles; then there was a shout of warning from one of my friends, something hard descended upon my head with crushing force, and all went black before me.