At a glance
| Type | Volcanic world |
| Star | Kharon, a red giant; skies of rust and charcoal |
| Day length | 19 hours |
| Climate | Constant ashfall, hot dry winds, distant eruptions |
| Location | 2.4 ly from Menhir · 20.9 ly from the Meridian Gate |
| Went silent | Day 3 of the Quiet |
| Peak population | 600,000 (industrial workforce) |
| Survey status | Open: Foundry Districts A–D, Cargo Port Ember |
History
Kharon IX was the Reach's forge. Its volcanoes powered automated foundries that smelted the metal for half the colonies' megastructures. Workers lived in dense blocks behind blast walls; the foundries themselves are monumental: windowless concrete towers with glowing seams of furnace light. Ash falls constantly, softly, like grey snow.
Environment & biome
| Gravity | 1.3 g (a heavy "super-Earth"; everything feels slower and heavier) |
| Atmosphere | Toxic: thick CO₂ with sulphur compounds. All habitats are sealed; workers wore filtered suits |
| Temperature | 35 to 60 °C; hotter near the calderas |
| Terrain | Basalt lava plains, obsidian fields, cinder cones and three active calderas; ash dunes in the lowlands |
| Sky | Kharon, a swollen red giant, hangs three to four times wider than Earth's Sun; ash haze turns daylight rust-coloured |
| Heat and orbit | Kharon IX was once a frozen outer world. When its star swelled into a red giant, the extra light thawed it, then baked it. Its own heavy, hot core drives the volcanism. No moons. |
| Weather | Constant soft ashfall; hot dry winds; rare acid rain; regular tremors |
Biome: ember moss. Terraforming was abandoned in the first decade, so nothing from Earth grows here. The only native life is ember moss: thermophilic mats that cling to warm vents and glow a faint orange in the dark. Workers considered it lucky. Since the Quiet, it has spread along the foundries' cooling channels.
Hazards: toxic air, tremors, ash storms that cut visibility to metres, and heat.
After the Quiet
- The foundries are still running. Furnaces are lit, and new ingots appear in the yards. No workers or drones have been found.
- The ash on the factory floors is undisturbed, except for one set of footprints that walks a fixed patrol route.
- At Kharon's cargo port, a fully loaded lifter cleared for launch on Day 3 has never left the pad. The ore trains still arrive.
Architecture
Architecture as machinery. The Combine built for mass, heat and toxic air: buildings are sealed, windowless and enormous, and they look like they could survive anything, because they had to.
| Materials | Black-brown cast concrete, heat-scorched steel, blocks of dark slag glass. No glass at ground level. |
| Forms | Colossal windowless towers; tall blast walls; elevated conveyor bridges; stacked housing blocks sheltering behind the walls. |
| Windows and light | Thin vertical slits glowing furnace orange; amber lamps along sealed walkways; red warning lights on chimneys. |
| Interiors | Canteens and locker halls for shift workers; control rooms lit by ember-orange screens; airlocks everywhere. |
| After 50 years | Ash dunes banked against every wall, ember moss glowing in the cooling channels, and the furnaces still lit. |
| Building type | Notes |
|---|---|
| Foundry tower | Windowless towers 200–600 m tall, their seams glowing with furnace light. |
| Blast-wall housing | Dense worker blocks with tiny lit windows, sheltering behind 60 m concrete walls. |
| Conveyor bridge | Elevated enclosed bridges carrying ore and ingots between towers. |
| Caldera plant | Power stations built into live volcano rims, drawing heat straight from the magma. |
Places
- Foundry Districts A–D: Four industrial districts of windowless towers linked by conveyor bridges, with molten-metal channels glowing between them. District A has the oldest and tallest towers.
- Furnace Row: The founding avenue of District A: six kilometres of furnace towers, dead straight, pointing at Kharon. (Full record under Survey sites.)
- Blast Wall Housing: Dense worker blocks of small lit windows, tucked behind 60 m concrete walls that shield them from eruptions and ash storms.
- Cargo Port Ember: A vast concrete launch complex on the ash plain, with a single dark lifter locked to its loader on the pad, cleared for launch since Day 3. (Full record under Survey sites.)
- The Caldera Plant: A monumental power station built into the rim of a smouldering caldera, lit orange from below.
Vessels
Built by: Kharon Forge Combine. Ships are tools. The Combine built them in orbit from Kharon steel, to carry girders for a century without complaint. Nobody ever asked whether they were beautiful.
| Silhouette | Long and slab-sided: stacked rectangular cargo modules clamped along an exposed girder spine, a blunt armoured nose, no curves anywhere (the rounder Ember lifter, which has to fly through Kharon's thick air, is the one exception). Haulers run 400–900 m. |
| Hull | Dark scorched steel, charcoal to black, with heat-tempered blue-black streaks near the drive section. Heavy external ribbing; no paint, no markings. |
| Lights | Rows of small amber running lights along the spine; a faint furnace-orange glow from heat vents; one narrow bridge window glowing amber. |
| Details | Huge docking clamps, folded cargo cranes, exposed pipes and girders, soot around every vent. |
| Interior glimpse | Almost none: a slit bridge window, a lit crew corridor seen through a hatch. |
| After 50 years | Ash drifted on every horizontal surface, rust streaks running down the slabs, vents still faintly warm. |
| Vessel type | Notes |
|---|---|
| Ember-class ore hauler | The workhorse: a 700 m spine of cargo modules. Ember Nine is one. |
| Ember lifter | Surface-to-orbit freight, 180 m: a rounded riveted cargo hull with open bays of glowing ingots, loaded lying flat at the port. (See Cargo Port Ember.) |
| Forge tug | Stubby, massively built, all engine and clamps; pushes haulers into dock. |
| Crew lander | A blocky steel box on four heavy legs, for shift changes between orbit and the foundries. |
Ground vehicles
Everything on Kharon IX moves sealed. The air is toxic, so every cab is pressurised and every window is small. Freight moves by rail; people move by crawler.
| Look | Colossal, armoured and riveted: dark scorched steel, sealed cabins with small round portholes, heavy treads or massive bogies, nothing streamlined. |
| Lights | Amber portholes, amber headlamps, a faint furnace glow from engine vents. |
| After 50 years | The automated ore trains still run their loops between the foundries and the cargo port. Crew crawlers sit parked in neat rows, ash piled on their roofs. |
| Vehicle type | Notes |
|---|---|
| Ore train | Elevated freight trains a kilometre long, hauling glowing ingots across the ash plains. Fully automated. |
| Crew crawler | A tracked, sealed bus for shift workers; 40 seats, filtered air, heavy blast shutters. |
| Ash runner | A small two-seat tracked buggy for inspections along the calderas. |
Sound
The factories are still working and nobody is there. Heavy, hypnotic, faintly threatening, but never aggressive.
The worlds of the Reach are all tuned to the Hum, the note A. Kharon IX sings it in phrygian.
Surveys
0 of 6 known properties surveyed
No Surveyor has been sent to Kharon IX yet. Its properties are listed below as they appear in the Accord's old records.
- Furnace Row
- The Caldera Plant
- Blast Wall
- Cargo Port Ember
- Ingot Yard
- Rail Junction 4
From an Outer World Realty brochure: "Industrial heritage. Infinite potential."