"Roch, I need your help. Listen to me—"
One of the food machines had been mounted just inside the Bridge's port, and Rees found himself giving thanks for the fortuitous narrowness of the Bridge's access paths. A little more room and the thing would have been taken down to one of the Bridge's end chambers — and Rees doubted even Roch's ability to raise tons through the multiple-gee climb to the ship's mid point.
The ship shuddered again.
When Rees explained his idea Roch grinned, his eyes wide and demonic — damn it, the man was even enjoying this — and, before Rees could stop him, he slapped a broad palm against the port's control panel.
The port slid aside. The air outside was hot, thick and rushed past at enormous speed; the pressure difference hauled at Rees like an invisible hand, slamming him into the side of the supply machine.
The open port was a three-yard square slice of chaos, completely filled by the writhing face of the gravitic animal. A tentacle a mile long lashed through the air; Rees felt the Bridge quiver at its approach. One touch of that stuff and the old ship would implode like a crushed skitter—
Roch crawled around the supply machine away from the port, so that he was lodged between the machine and the outer wall of the Observatory.
Rees looked at the base of the machine; it had been fixed to the Bridge's deck with crude, fist-sized iron rivets. "Damn it," he shouted over the roar of the wind. "Roch, help me find tools, something to use as levers…"
"No time for that, Raft man." Roch's voice was strained, as Rees remembered it once sounding as the big man had got to his feet under the five gees of the star kernel. Rees looked up, startled.
Roch had braced his back against the supply machine, his feet against the wall of the Observatory; and he was shoving back against the machine. The muscles of his legs bulged and sweat stood out in beads over his brow and chest.
"Roch, you're crazy! That's impossible…"
One of the rivets creaked; shards of rusty iron flew through the turbulent air.
Roch kept his swelling eyes fixed on Rees. The muscles of his neck seemed to bunch around his widening grin, and his tongue protruded, purple, from broken lips.
Now another rivet gave way with a crack like a small explosion.
Belatedly Rees placed his hands on the machine, braced his feet against the angle of floor and wall, and shoved with Roch until the veins of his arms stood out like rope.
Another rivet broke. The machine tilted noticeably. Roch adjusted his position and continued to shove. The miner's face was purple, his bloody eyes fixed on Rees. Small popping sounds came from within that vast body, and Rees imagined discs and vertebrae cracking and fusing along Roch's spine.
At last, with a series of small explosions, the remaining rivets collapsed and the machine tumbled through the port. Rees fell onto his chest amid the stumps of shattered rivets, his lungs pump oxygen from the depleted air. He lifted his head. "Roch…?"
The miner was gone.
Rees scrambled up from the deck and grabbed the rim of the port. The gravitic beast covered the sky, a huge, ugly panorama of motion — and suspended before it was the ragged bulk of the supply machine. Roch was spreadeagled against the machine, his back to the battered metal wall. The miner stared across a few feet into Rees's eyes.
Now a cable-like limb lashed out of the animal and swatted at the supply machine. The device was knocked, spinning, towards the writhing black mass. Then the predator folded around its morsel and, apparently satiated, sank back into the dark ocean for the last time.
With the last of his strength Rees closed the port.
16
As the flight through space wore on, again and again Rees was drawn to the hull's small window space.
He pressed his face to the warm wall. He was close to the waist of the Bridge here: to his left the Nebula, the home they had discarded, was a crimson barrier that cut the sky in half; to his right the destination nebula was a bluish patch he could still cover with one hand.
As the ship had soared away from the Core the navigation team had spent long hours with their various sextants, charts and bits of carved bone; but at last they had announced that the Bridge was, after all, on course. There had been a mood of elation among the passengers. Despite the deaths, the injuries, the loss of the food machine, their mission seemed bound for success, its greatest trial behind it. Rees had found himself caught up in the prevailing mood.
But then the Bridge had left behind the familar warm light of the Nebula.
Most of the hull had been opaqued to shut out the oppressive darkness of the internebular void. Bathed in artificial light, the reconstructed shanty town had become once more a mass of homely warmth and scents, and most of the passengers had been glad to turn inwards and forget the emptiness beyond the ancient walls of the ship.
But despite this the mood of the people grew more subdued — contemplative, even somber.
And then the loss of one of their two supply machines had started to work through, and rationing had begun to bite.
The sky outside was a rich, deep blue, broken only by the diffuse pallor of distant nebulae. The Scientists had puzzled over their ancient instruments and assured Rees that the internebular spaces were far from airless, although the gases were far too thin to sustain human life. "It is as if," Jaen had told him excitedly, "the nebulae are patches of high density within a far greater cloud, which perhaps has its own internal structure, its own Core. Perhaps all the nebulae are falling like stars into this greater Core."
"And why stop there?" Rees had grinned. "The structure could be recursive. Maybe this greater nebula is itself a mere satellite of another, mightier Core; which in turn is a satellite of another, and so on, without limit."
Jaen's eyes sparkled. "I wonder what the inhabitants of those greater Cores would look like, what gravitic chemistry could do under such conditions…"
Rees shrugged. "Maybe one day we'll send up a ship to find out. Travel to the Core of Cores… but there may be more subtle ways to probe these questions."
"Like what?"
"Well, if our new nebula really is falling into a greater Core there should be measurable effects. Tides, perhaps — we could build up hypotheses about the mass and nature of the greater Core without ever seeing it."
"And knowing that, we could go on to validate whole families of theories about the structure of this universe…"
Rees smiled now, something of that surge of intellectual confidence returning briefly to warm Mm.
But if they couldn't feed themselves all these dreams counted for nothing.
The ship had picked up enormous velocity by its slingshot maneuver around the Core, climbing into internebuiar space within hours. They'd traveled for five shifts since then… but there were still twenty shifts to go. Could the ship's fragile social structure last so long?
There was a bony hand on his shoulder. Hol-lerbach thrust forward his gaunt face and peered through the window. "Wonderful," he murmured.
Rees said nothing.
Hollerbach let his hand rest. "I know what you're feeling."
"The worst of it is," Rees said quietly, "that the passengers still blame me for the difficulties we face. Mothers hold out their hungry children accusingly as I go past."
Hollerbach laughed. "Rees, you mustn't let it bother you. You have not lost the brave idealism of your recent youth — the idealism which, untem-pered by maturity," he said drily, "drove you to endanger your own skin by associating yourself with the Scientists at the time of the rebellion. But you have grown into a man who has learned that the first priority is the survival of the species… and you have learned to impose that discipline on others. You showed that with your defeat of Gover.»
"My murder of him, you mean."