"Well, I definitely think it's worth a look, Commander," Captain Anzyl Praxas's voice rang over the comm-badge of Commander Neil O'Reilly.
Neil sat dutifully in the captain's chair on the compact bridge of the USS Alliant. Once a swift Defiant-class combat vessel, the ship had been outfitted for long-range tactical scouting, and its bridge felt tight, functional, and intensely focused.
"Good call on taking the Alliant out for a closer look," Anzyl continued over the channel. "A functional Dyson Sphere in the Alpha Quadrant would be a massive asset to the Lukari and the Alliance as a whole. We're still fully occupied down here with the fauna migration—and making sure none of those raptors managed to stow away—so go ahead and investigate. Report back as soon as you have something concrete. Praxas out."
Neil looked around the small bridge at his skeleton, all Starfleet crew. Tey'un had opted to remain behind on the Nexus; the nine-foot Na'vi body simply didn't fit comfortably in the compact Jefferies tubes or low-clearance bulkheads of the Alliant, and the close quarters triggered a quiet, creeping claustrophobia he preferred to avoid. He was far happier staying in Engineering aboard the flagship, boosting their sensor telemetry from a safe distance.
"You heard the Captain," Neil said, a faint smile touching his lips. "Let's go see what this giant hunk of space junk actually is. Helm, take us out. Maximum warp at a safe speed inside a spatial nebula."
"Aye, sir," the Starfleet helmsman replied, his fingers flying across the flight controls. "Setting course for the… giant hunk of space junk. Warp 4, sir."
—
The Alliant detached from the Nexus's docking clamps, sped thru the dock's blue force field, turning on its impulse thrusters before leaping into warp. In an instant, the black void gave way to swirling, luminous clouds of violet, magenta, and deep cobalt plasma.
—
"How's your signal holding up, Doctor?" Neil asked, looking to his left.
Dr. Kayuli's blue, holographic Na'vi form hovered beside the auxiliary science station. He flexed his large, translucent hands, examining his fingers for any sign of digital degradation or latency.
"Signal link is crystal clear," Kayuli replied cheerfully. "The Alliant's EMH was none too happy with me hijacking his holodeck processing allocation, but as long as Tey'un keeps routing secondary power through the flagship's main array, I shouldn't suffer any signal dropouts."
"Approaching target coordinates, sir," the helmsman called out. "Dropping out of warp... now."
"Full stop, Ensign. Let's get a nice, clear view of this thing."
—
The Alliant dropped to a full stop, its engines glowing red against the swirling curtain of nebula gas.
Dominating the viewscreen was an incomprehensibly vast, metallic structure. It was an unfinished Dyson Sphere. Roughly three-quarters of the gigantic outer shell was complete, boasting polished, overlapping alloy plates that reflected the faint light of the nebula. The remaining quarter was completely open—a raw, exposed skeletal lattice of massive superstructure beams and unworked girders reaching out into the cold void like the ribs of a dead titan.
—
"It's a Dyson Sphere, alright!" Kayuli confirmed, leaning over the console as data streams cascaded down his interface. "The structural composition matches the alloy signatures of the known Solonae and Jenolan spheres! It's just... incomplete."
"It certainly looks that way," Neil agreed, staring up at the viewscreen in awe. The sheer scale was staggering. Entire planetoids could pass through the open gap in the shell without touching the framing.
"Why would anyone build something this massive and just... leave it?" Kayuli mused out loud. "If the Iconians or their service species designed this, why abandon it mid-construction?"
"More importantly," Neil added, crossing his arms, "does it have a functional Iconian Gateway? That's the real prize. A Dyson Sphere without a functional space-folding gateway is just a multi-trillion-ton paperweight."
Kayuli shook his head, fine-tuning the resolution. "No way to tell from out here, Commander. Long-range sensors can't penetrate the heavy alloy density of the inner shell. We'll need to navigate inside. Gateways are typically anchored near the center, a safe distance from the primary star."
Neil nodded toward the helm. "You heard the Doctor, Ensign. Take us through the gap. Full impulse into the interior. And at least this time, we don't need a clearance code to get past the front door."
"Aye, sir. Full impulse."
—
The Alliant glided smoothly through the colossal gap in the framework.
Unlike the fully realized Dyson Spheres previously cataloged by Starfleet, the interior of this shell was utterly barren. There were no terraformed continents, no bio-domes, no vast oceans, and no sprawling futuristic cities built along the inner curve. There was only bare, unpainted alloy plating stretching as far as the eye could see in a sweeping, terrifying arc.
—
"It's completely hollow," Neil muttered softly, gazing at the endless grey expanse.
"And I think I know why they stopped," Kayuli declared, pointing toward the core of the structure.
—
At the absolute center of the incomplete sphere floated the system's central star. But instead of a roaring, brilliant main-sequence sun capable of powering a megastructure for millennia, it was a dim, unstable, low-mass star. Its solar corona flickered weakly against the surrounding dark.
—
"That's odd..." Kayuli noted, adjusting the science sensors. "With a dense stellar nursery like this nebula surrounding the system, this star should be young, massive, and burning bright. But... its growth stalled."
Neil leaned forward. "Could the shell have caused that? Stifled its development?"
"I believe you hit the nail right on the head, Commander," Kayuli said, looking genuinely impressed. "The initial scans I took from outside the shell showed heavy concentrations of stellar gases trapped against the exterior hull—elements that normally feed a developing star. It seems whoever built this got ahead of themselves. They began constructing the shell around a stellar embryo, starved the star of its necessary accretion mass, and when the sun failed to mature... they abandoned the entire project."
Kayuli's hands suddenly flew across his console, his blue eyes lighting up. "Wait! Commander... I've got a reading! At coordinates 243 - mark 187 - mark 035!"
"What is it, Doc?"
"I found the Gateway!" Kayuli cheered softly. "Floating near the stellar corona!"
"Helm, alter course. Bring us alongside."
—
The Alliant maneuvered deeper into the shell, pulling to a halt a safe distance from the dim star. Floating silently in the faint solar wind was a massive, unlit, triangular structure composed of dark Iconian metal.
—
"It's an Iconian Space-Folding Gateway!" Kayuli practically shouted, grinning broadly. "It's inactive, but the matrix isn't damaged. It's just... asleep!"
He turned to face Neil's command chair. "I advise transmitting our standard Alliance gateway handshake protocol. The signal should wake the primary subsystem."
Neil turned to his right. "Comms, transmit the standard Solonae clearance frequencies."
"Transmitting now, sir," the communications officer reported. "Sending handshake signal..."
—
Outside, in the dim light of the dying star, the dark triangular frame shuddered. Faint lines of pale blue energy cascaded down its ancient alloy seams. Like a slumbering supercomputer receiving a wake-up command, the gateway hummed to life, a swirling, translucent event horizon stabilizing in its center.
—
"The gateway is active!" Kayuli laughed triumphantly. "It worked! ...Though, we don't have a regional command console here to dictate destination coordinates on the other end." His initial burst of excitement tempered slightly.
"That's fine, Doctor," Neil smiled, looking up at the swirling blue vortex on the main screen. "We have entire teams of Alliance scientists who specialize in Iconian architecture. The important thing is that it works. The Alpha Quadrant just got its first direct door into the galactic gateway network."
Neil turned to the helm. "How much as I'd love to take an away team down and explore, we don't have the gear or the personnel on the Alliant for a deep-surface survey. Helm, set a course back to the Nexus. Let's give Captain Praxas the good news."
"Aye, sir. Reversing course for Old Kentar."
As the Alliant turned around and accelerated into warp, leaving the ancient, unfinished marvel behind, Neil looked over at Dr. Kayuli, who was still beaming with pride.
"Brilliant work, Doctor," Neil chuckled, leaning back in his chair. "You just redefined the entire geopolitical landscape of the Alpha Quadrant."