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Orbit Zero

A Voice Before Birth

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9 audio episodes available · All episodes availableSci-FiFirst 5 episodes free · 1 coin = 1 episode, or unlock free with a 24-hour waitNarrated by AI.

About this book

A space observatory receives a warning in its crew's own voices, carried by an impossibly old signal. As their orbit collapses, a mysterious archive offers hope of returning the dead. Escaping will force the crew to question what saving a person really means.

ABOUT CHAPTER 1

A Voice Before Birth

Mara hears her own warning in a centuries-displaced signal. Shutting down the beam stops a receiver emergency, but the receiver's provenance reveals a probe bearing all three crew names.

Ep 1 · A Voice Before Birth

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Mara Vale heard her own voice pronounce a death sentence.

“Do not let Ivo turn the wheel.”

She took off her headphones. Across the observation cabin, Ivo was eating a pear with a spoon. Commander Sera Chen stood beside the window, counting the distant navigation flashes of their supply ship.

“Say that again,” Mara said.

Ivo raised his pear. “It's the last fresh one. I offered.”

“Not you.”

Mara replayed the signal through the cabin speakers.

Her voice emerged between dry bursts of static. Older, perhaps. Exhausted. But unmistakably hers.

“Do not let Ivo turn the wheel.”

The spoon stopped halfway to Ivo's mouth.

Their observatory, the Meridian, circled a dark object that bent starlight without swallowing it. Astronomers called it the Fold. Nobody had ever received anything from it except radio noise.

Until now.

Sera crossed to Mara's console. “Where did that originate?”

“Inside the object. Same direction as our survey beam.”

“Someone bouncing a recording?”

“We've never recorded that sentence.”

“Someone imitating you, then.”

Mara wanted that answer. She opened the raw capture and checked the security seal. No playback requests. No outside commands. The receiver had registered actual electromagnetic energy arriving at the dish.

Ivo set down his pear. “Maybe you talk in your sleep.”

Mara knew his jokes. They meant he was frightened.

She enlarged the waveform. Beneath the sentence lay a second signal, a steady pulse. Not a clock code. Something slower and stranger.

“The carrier's been traveling through the Fold,” she said. “Its phase has accumulated three centuries of displacement.”

Sera folded her arms. “Age isn't a property you can read from a voice.”

“No. But we know how the Fold changes our calibration pulses. This has three hundred years of the same change.”

“Or the transmitter generated that pattern.”

“Yes.” Mara met her gaze. “That's possible.”

Sera relaxed slightly. Uncertainty, stated precisely, always calmed her more than promises.

“Then we investigate. Nobody turns any mysterious wheels.”

Ivo glanced toward the rear passage. The only manual wheel aboard controlled the receiver's coolant bypass. It had belonged to an older observatory, before servo motors became cheaper than technicians. Ivo polished its brass rim whenever he needed to think.

“I wasn't planning to,” he said.

The cabin lights flickered.

A warning chime sounded, gentle as a polite cough. Receiver temperature was climbing.

Mara looked at Ivo. He looked toward the passage again.

“No,” she said.

“I haven't moved.”

Sera opened the engineering display. “Automatic cooling?”

“Running,” Ivo said. “According to the screen.”

The temperature climbed another degree.

Ivo wiped his hands on his trousers. “A pump can report running while its shaft slips. We need the bypass.”

“The wheel,” Mara said.

“Yes, Mara. The wheel.”

They listened to the fans accelerate behind the cabin walls.

If the receiver overheated, it would vent nitrogen across the dish. That would end their survey and leave them blind for weeks. If pressure continued building, the reservoir might rupture. The observatory was small. There was nowhere far enough away.

Sera pointed at Ivo. “Inspect it. Don't touch it yet.”

He departed without another joke.

Mara returned to the signal. She could not find its beginning. The first sample started halfway through a breath, although the recorder had been running for six months.

That disturbed her more than the voice.

Every event had a beginning. Even a lie.

Sera lowered her voice. “You submitted a reconstruction paper before this assignment. Voices recovered from incomplete data.”

“You think I manufactured this?”

“I think you know more about manufactured voices than either of us.”

“My paper described what cannot be recovered.”

“Your institute called it impractical.”

“They wanted dead pilots to testify from cockpit noise. I said noise doesn't remember words.”

Sera's expression shifted. She had not known that part.

“I need all possibilities,” she said.

“And I need you to distinguish a possibility from an accusation.”

The intercom clicked. Ivo sounded breathless.

“Commander. The pump shaft is intact. But the bypass valve is closed against the automatic circuit. That's not on the schematic.”

“Can you open it electrically?”

“No. It's manual.”

Sera watched the temperature. “What happens if you turn the wheel?”

“Coolant moves. Probably.”

“Probably?”

“There's an unmarked pipe behind the valve. I can't see where it goes.”

Mara heard the recorded warning again in memory. It contained no explanation. Just her own authority, borrowed from a future she could not inspect.

“Give me two minutes,” she said.

Sera checked the pressure. “You have one.”

Mara split the signal into narrow bands. A breath became a staircase of frequencies. The carrier wasn't continuous after all. It contained gaps exactly as long as their survey beam's pauses.

She compared the schedules.

The match was perfect.

“Our beam triggered it,” she said. “Shut the transmitter down.”

Sera reached for the control.

The speaker crackled before she touched it.

Ivo's voice said, “Sera, don't stop the beam.”

The live intercom remained open. Real Ivo made a small, involuntary sound.

The recorded voice continued. “There's somebody on the other side.”

Sera held her hand above the switch.

“Don't obey it,” Mara said.

“You asked me to obey the first one.”

“I asked for time.”

The pressure warning turned red.

Sera killed the beam.

Silence filled the speakers. The receiver temperature stopped rising. Then it dropped.

Nobody spoke until the first red warning disappeared.

From engineering, Ivo said, “For the record, I remain unturned.”

Mara let out a laugh that hurt her throat.

Sera leaned against the console. “Bring the mechanical drawings. All versions. We find that pipe before we transmit again.”

Before leaving the cabin, Mara made two copies of the signal. One went into the station archive. The other went onto a portable chip she wore around her neck.

Sera watched her do it.

“You think the evidence will disappear?”

“I think frightened people make confident mistakes.”

“Including me.”

“Including me.”

Sera took a third chip from the drawer and copied the engineering logs herself.

For six months their days had followed the same small rituals. Ivo cooked badly and apologized extravagantly. Sera inspected every seal before sleeping. Mara stayed awake to catch signals nobody expected to arrive. Now the signal had come, and their familiar cabin looked like a room assembled to fool them.

Mara touched the tape beside her monitor. It held a photograph of a rain puddle outside her mother's house. She had brought it because space photographs contained too many stars and never enough weather.

The puddle was still there. The taped corner still curled. Somewhere, ordinary time continued.

She held that thought as they left.

They gathered in the galley because it had the biggest table. Ivo unrolled a stained service diagram while Mara printed the older drawings. Sera fetched three cups and made coffee with the solemn attention she gave to docking procedures.

The unknown pipe appeared on none of the plans.

Ivo tapped an empty corner of the drawing. “Someone added it after construction.”

“During our refit?” Sera asked.

“Maybe. But the welds look older than the station.”

Mara examined the photograph on his tablet. The pipe disappeared through a wall marked as solid shielding.

“What's beyond that?”

“Nothing. According to every mass survey.”

Sera opened the station inventory. She scrolled, stopped, then scrolled back.

“What?” Mara asked.

“Meridian was assembled fourteen years ago.”

“We know.”

“The receiver package wasn't. It was recovered.”

Ivo set his cup down. “Recovered where?”

Sera read the restricted entry twice before answering.

“From a sealed probe found drifting near the Fold.”

Mara felt the table tilt beneath her, though the station's rotation had not changed.

“When?”

“Three hundred and twenty-seven years ago.”

Ivo pushed his chair back. “That's impossible.”

“The probe was in museum storage,” Sera said. “They thought the receiver was inert. The agency commissioned a compatible observatory around it.”

“You knew?” Mara asked.

“No. My clearance opens the provenance file. I've never had a reason to open it.”

Mara pictured generations of engineers protecting a mystery, then calling it equipment when funding became scarce.

Sera turned the tablet so they could see the final photograph.

A small cylinder floated inside a recovery net. Its casing was blistered. Along one side, someone had scratched three names.

Mara Vale.

Ivo Renn.

Sera Chen.

Below the names, in Mara's handwriting, lay a fourth line.

WE SENT IT BACK EMPTY.