7. Ghosts of the Titan Run

They left Ganymede in the early hours of the sixteenth day after Kira's discovery, well before the station's busiest traffic window, while most of the dock authority's monitoring attention was focused on the inbound freight convoys from the belt. Avery had spent the previous twelve hours performing what he called "cosmetic adjustments" to the Riven Nail's transponder signal — not disabling it, which would have flagged an automatic alert in three different tracking systems, but altering it just enough that the ship's ID would register as the Calla Market, a decommissioned cargo shuttle that had been reported lost in a debris field two years ago and whose signal no longer appeared in active traffic management databases. It was the kind of technical gray area Avery navigated with the ease of long practice, and he had explained it to Kira with the careful, slightly apologetic air of someone demonstrating a useful skill they wish they'd never had to develop. "If they scan us," he said, "we look like a dead ship that's been drifting." "And if they scan more carefully?" "Then we have a different kind of problem." He paused. "Try not to attract attention." Declan brought the archive. Every physical notebook, every printed analysis, every piece of evidence he'd spent three years assembling — packed into two sealed cases that he carried with the careful movements of a person transporting something irreplaceable, which they were. Kira brought her drives. Avery brought a bag of food, a spare set of engine parts, and the particular self-containment of a man who had learned to pack his life small. The route to the decommissioned relay station took them out past Titan and into the sparse, cold outer ring of the Saturn system. This was territory that commercial traffic largely avoided — too far from the main shipping lanes, too close to the difficult navigation zones where Saturn's gravity created complex debris patterns that were expensive to chart and not worth charting for most operators. Avery navigated it from memory, which said something about the kinds of routes he'd been flying. Titan itself was a smudged amber disc off the port side as they passed, its atmosphere thick with orange haze. Kira watched it through the window, thinking about distance. Titan was approximately 1.2 billion kilometers from Earth. Kepler-7d was approximately eleven quadrillion kilometers from Earth. The difference was so enormous that it was barely useful as a comparison. It was the difference between standing on the other side of a room and standing on another planet in an entirely different solar system orbiting an entirely different star. And yet someone there was reaching across that distance and saying: come with understanding. The relay station appeared on their scopes fourteen hours into the Titan run: a small, dark structure against the star field, no running lights, no transponder signal, drifting in a lazy orbit around nothing in particular. It was older than anything Kira had worked with professionally — one of the first-generation deep-field arrays, built when interstellar communication was still theoretical and the engineering was accordingly rough. It had been operational for about forty years before better technology made it obsolete, and it had been sitting here, untouched, for another sixty. "It looks derelict," Declan said. "It is derelict," Avery confirmed. "But structurally intact. I've docked here twice." He began the approach, reading the station's geometry with the unhurried precision of someone who had done this in much worse conditions. "Power systems are offline but the arrays are intact. Main dish is still aligned." "We can bring power from the ship," Kira said. She was already running the numbers in her head: power requirements for a deep-field transmission, signal boost needed to reach a target 1,200 light-years distant, encoding parameters that would make the message legible to people working in a language that had drifted significantly from any standard Kira could reference. "It'll work. It'll take time to calibrate, but it'll work." They docked in the station's external clamp system — originally designed for maintenance ships and still functional despite the decades of disuse — and ran a power line from the Riven Nail's secondary reactor through a flex conduit into the station's main distribution hub. The station came alive reluctantly, systems cycling up one by one with the sluggish hesitation of very old machinery being asked to do something it had forgotten how to do. Kira worked. She worked the way she always worked when she was focused: with total absorption, the external world contracting to the dimensions of the task immediately in front of her. Reconnect the array's targeting system. Cross-reference the current coordinates of Kepler-7d's star relative to Saturn. Calculate the signal travel time. Configure the encoding parameters as close to the colony's own transmission format as she could reconstruct. At some point, Avery brought her food. She ate it without tasting it. Declan sat in the corner of the station's main operations room and worked on the reply message itself. This was the harder problem: not the technical transmission, but what to say. They were composing a message to people who had been isolated for two hundred years, in a language that was both theirs and not theirs, about circumstances that involved danger and discovery and a power structure that had been suppressing their existence for decades. Every word had to be considered. Every implication had to be weighed. He wrote and rewrote for six hours. Behind her, Kira heard him say quietly, to no one in particular: "How do you introduce yourself to someone who has been waiting two centuries for someone to answer?" Avery, eating something from a foil packet, said: "Honestly. You start honest and you go from there." Declan was quiet for a while. Then he began writing again. By the time the station's array was fully calibrated and the power was stable, it was well into the ship's night cycle. The three of them sat together in the old operations room, surrounded by systems that had been sleeping for sixty years and had been coaxed reluctantly back to life, and they read the final draft of the message together. It was short. It was in the colony's language — their best reconstruction of it, imperfect, almost certainly imprecise in places, but built with care. It said, as closely as they could render it: We heard you. We are not the ones who buried the silence. We are coming with understanding. Tell us what wakes. Kira read it twice. She looked at Declan, who nodded. She looked at Avery, who was staring at the ceiling with an expression that, on a face less schooled in composure, might have been described as quietly overwhelmed. "Do it," he said. Kira reached for the transmission controls. She pressed send. The signal went out through the old array and vanished into the dark, carrying its freight of carefully chosen words across the impossible distances between worlds. It would arrive at Kepler-7d's star in approximately twelve hundred years — unless the colony had some means of receiving at closer range, which, given the sophistication of their own transmission, seemed possible. Or maybe they'd never know if it arrived. But they had answered. That felt necessary in a way that Kira couldn't fully articulate but didn't try to. Some things just needed doing, and the doing was its own kind of statement. She sat back. In the vast dark outside the station's windows, Saturn hung in the distance, ringed and remote, indifferent to the small human moment that had just occurred in its shadow.