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Xha’Ruun

Ruun 03: Théxar — The-Xar

Théxar with clouds, oceans, mountain ranges and two moons
Théxar from orbit: oceans, three continents and two moons.

"Vokh-mor xar, vokh-mor rass-ven, vokh-mor sha-mor. Ven-thar xa-mor rass-ven-ak — vokh-mor sha-ven galaxy-mor." — "The-Xar-Vokh," Rass-Ven Vel-Ak


Ruun-ak rass: → rhu [Ruun 01, "Vokh-Rass"], → rhu [Ruun 02, "Khar'Vex Khal-Sha"], → rhu [Ruun 04, "Xa-Ven Khal-Vex"] Mor-ven: Théxar ("the-xar" — earth-mother) — Khar'Vex-mor 3rd the-mor, vokh-mor xha-sha ven-thar. Geologically active, 2 moons (Serrin, Thel), habitable zone-mor.


3.1 Rass ven Geological Ven-Khal

3.1.1 Rass

Théxar rass-ven ~6.5 sha-mor cycles-tor Khar'Vex protoplanetary disk-tor, metallicity [Fe/H] = +0.12.

Sha-El Sha-Mor Cycles Ago Sha-Ven
1 6.50 ± 0.02 Accretion, proto-Théxar
2 6.48 ± 0.01 Core differentiation (Fe-Ni)
3 6.47–6.40 Late heavy bombardment
4 6.40–6.30 Primary crust, cooling
5 6.30–6.00 Outgassing, primary atmosphere ven ocean
6 6.00–5.50 First tectonic cycle
7 5.50 Gharra impact basin
8 5.50–4.00 Crust stabilization
9 4.00–3.80 Oxygen catastrophe (photosynthesis)
10 3.80–present Modern tectonic regime

3.1.2 Rass-Sha — Internal Structure

Layer Composition State T (°X)
Continental crust Granite, basalt Solid 19…534
Oceanic crust Basalt, gabbro Solid 45…317
Upper mantle Peridotite Solid 534…698
Asthenosphere Partial melt Viscous 698…806
Lower mantle Perovskite Plastic 806…2 057
Outer core Fe 85%, Ni 10%, S/O 5% Liquid 2 057…2 710
Inner core Fe 90%, Ni 8% Solid 2 710…2 873

3.1.3 Plate Tectonics

Théxar sha-en-ak plate tectonics — carbon cycle ven long-term climate stability-mor rass-ven.

Plate Type Direction Speed (sha/y)
Thalas Oceanic NW 3.9
Kharrak Continental NE 3.4
Ruval Continental S 5.0
Gharra Oceanic SE 3.0
Vexar Continental W 2.3
Northern Oceanic E 6.5
Marginal (×6) Mixed Various 0.6–8.5

Boundaries: 4 divergent (Thalass, Southern, Western, Northern), 6 convergent (Kharak/Rhuval edges), 4 transform (largest — Thash Fault, ~3 900 mo).

Rass-Ven: Average tectonic speed 2.8 sha/year. Carbon cycle ~120 sha-mor years.


3.2 Sha-Ven Xa-Mor — Atmosphere

3.2.1 Composition

Shan Ven
Surface pressure 1 tyazh
Average T 51.6°X
T range 19°X … 75°X
Molecular mass 28.8 g/mol
Scale height 10 000 sha
Transparency (visible) 0.72
Gas Formula Fraction Note
Nitrogen N₂ 71.8% Main
Oxygen O₂ 22.6% High
Argon Ar 2.9% —
Carbon dioxide CO₂ 0.8% Elevated
Water vapor H₂O 0.5–2.0% Variable
Neon Ne 0.05% —
Methane CH₄ 0.0003% Biogenic
Hydrogen sulfide H₂S 0.0008% Biogenic

At a stellar luminosity of 0.41 L☉ and a distance of 0.63209 AU, the flux at Théxar’s orbit is about 1.026 times Earth’s solar constant. Surface temperature also depends on reflection, atmosphere, clouds and ocean heat transport.

3.2.2 Vertical Structure

Layer Height (sha) Théxar Sha T at boundary
Troposphere 0–13 400 ✅ 19°X
Stratosphere 13 400–54 900 Ozone −30% 17°X
Mesosphere 54 900–103 700 H₂S glow 6.6°X
Thermosphere 103 700–426 800 Strong variations 208…589°X
Exosphere >426 800 — —

3.2.3 Sky Color

The golden-bronze sky combines the stellar spectrum with scattering by atmospheric molecules, dust and aerosols. The colour changes with viewing direction and with the light’s path through the atmosphere.

3.2.4 Circulation

Slow rotation (27.3 h) → 6-cell model: Kharrak (0°–28°, ascending, rain), Tor (28°–55°, descending, dry), Thela (55°–90°, weak, cold). Trade winds weaker, more predictable.

3.2.5 Hazards

Phenomenon Frequency Region
Tropical cyclones 20–35/y Ocean 8°–25°
Tornadoes ~500/y Kharak plains
Dust storms Frequent Kharak/Vexar deserts
Volcanic winters 1 per 5–20 ky Global
Lightning ~1.2 sha-mor/y Global

3.3 Thal — Hydrosphere

3.3.1 Ocean

Shan Thalas (N) Gharra (S)
Avg depth 4 488 sha 3 841 sha
Max depth 10 268 sha (Khar-Tor Trench) 12 009 sha (Thash Deep)
Surface T 55°X eq/43°X pol 53°X eq/43°X pol
Salinity 3.5% 3.3%
pH 7.9–8.1 7.8–8.2

Currents: Tor Warm (equator → Kharak → pole), Thash Cold (Rhuval return), Gharra Circumpolar (around Vexar).

3.3.2 Sea

Name Area (M mo²) Depth Ocean Sha
Serrin 0.34 1 732 Thalas Inland, Kharak
Verksan 0.28 1 085 Thalas Shelf, Kharak
Thash Gulf 0.19 2 683 Gharra Deep
Irkhen 0.13 780 Gharra Inter-island
Raal 0.12 463 Thalas Semi-enclosed

3.3.3 Rivers ven Lakes

River Length (mo) Continent Flows to Note
Khar-Tor 870 Kharak Serrin Sacred
Thash-Ven 776 Rhuval Thash Gulf Hydroelectric
Sharrus 638 Vexar Gharra Largest Vexar
Moraat 559 Rhuval Irkhen Navigable
Irkhen 443 Kharak Irkhen (via strait) Provincial border

Largest lake: Khar Inland Sea (5 870 mo², Kharak, ancient sea remnant).


3.4 Thal-Mor Zone — Climate

Zone Latitude T (°X) Precip. Biome
Equatorial 0°–12° 60…68 2 000–4 500 mm/y Humid jungle
Tropical 12°–28° 55…66 800–2 000 Savanna, monsoon forest
Subtropical 28°–38° 49…58 400–900 Mediterranean
Temperate 38°–54° 44…55 500–1 500 Broadleaf, mixed
Subpolar 54°–66° 39…49 200–600 Coniferous, tundra
Polar 66°–90° 19…42 50–200 Ice caps, desert

Polar caps:

Region Ice area (M mo²) Thickness (sha) T avg
N cap 0.46 976–2 927 45°X
S cap 0.53 1 463–3 780 30°X

Equatorial: T +63.6°X, 2 rainy seasons, 6-tier jungle, ferralite soils, ~70% biodiversity.


3.5 Geography

3.5.1 The-Ak Ven

Théxar — 3 continent (Kharak, Rhuval, Vexar), 2 ocean (Thalas, Gharra), Serrin Sea, Irkhen archipelago.

3.5.2 Kharak (khar- = light, star)

Shan Ven
Area 65.721 million km²
Population ~1.1 sha-mor (39%)
Largest city Khar-Vexar (18.6 M)
Highest Mt. Verksan (9 537 sha)
Largest river Khar-Tor (870 mo)
Climate Equatorial → Polar
Resources Fe, Cu, U, Pt, P, H₂S

Regions: Central Plain (breadbasket), Khar-Tor Range (highest peaks), Shan Desert (metal-rich), Serrin Plateau (basaltic), Northern Taiga, Khar-Tor Delta (oldest settlements).

3.5.3 Rhuval (rhuun- = great, people)

Shan Ven
Area 42.249 million km²
Population ~0.9 sha-mor (32%)
Largest city Ven-Khal (12.4 M)
Highest Mt. Moraat (7 915 sha)
Largest river Thash-Ven (776 mo)
Climate Tropical → Subpolar
Resources Au, Ag, Zn, oil, gas

Regions: Raal Plateau (mining), Thash-Ven Valley (agriculture), Irkhen Coast (resort, ancient ports).

3.5.4 Vexar (vex- = give, create)

Shan Ven
Area 37.555 million km²
Population ~0.5 sha-mor (18%)
Largest city Shan-En (7.8 M)
Highest Mt. Sharrus (7 451 sha)
Largest river Sharrus (638 mo)
Climate Subtropical → Subpolar
Resources Ti, Mn, Cr, Co, rare earths

3.5.5 Island Territories

Name Area (mo²) Belongs Sha
Khal-Tor 49 586 Kharak Volcanic
Sha-enn 37 190 Rhuval Largest Rhuval island
Serrin-Ur 24 793 Vexar Nature reserve
Irkhen archipelago 16 529 Kharak/Rhuval Historically disputed

3.6 Magnetosphere ven Radiation Belt

Shan Ven
Surface strength 42 µT
Dipole moment 5.8 × 10²² A·m²
Tilt vs rotation 9.8°
Reversal period ~350 000 y
Magnetotail ~48 780 sha

Radiation belts:

Rass-Ven: Magnetosphere sha — Xha'Ruun radiation-mor thexar (→ rhu [Ruun 05]). Evolution higher-radiation-tor rass-ven.


3.7 Biome ven Xa-Ak

Biome Area Vegetation Fauna
Equatorial jungle 14% 6-tier forest (≤98 sha) Arboreal hexapod, flying predator
Savanna/woodland 12% Grass ≤3.7 sha, umbrella tree Herding herbivore
Desert 8% Cactoid, lichen Nocturnal hexapod, reptiloid
Broadleaf 16% Si-C tree High diversity
Coniferous/boreal 14% Needle, scale-leaf Large herbivore
Tundra 6% Moss, lichen, dwarf shrub Migrating herd
Ice sheet 8% Algae on ice Marine, sub-ice
Aquatic 22% Phytoplankton, algae Fish-like, giant filter

Unique: Gharra deep-sea hydrothermal vents (4 268–9 146 sha, 6 fields, H₂S chemosynthesis — → rhu [Ruun 04]); Kharak/Vexar limestone caves (~9 917 mo², blind depigmented endemics).


3.8 Natural Resources

Resource Reserves (ru) Region Use
Iron 1.27 × 10¹¹ Kharak (Khar-Tor) Industry
Copper 1.94 × 10⁹ Rhuval (Raal) Electrical, alloys
Uranium 5.09 × 10⁶ Kharak (Shan) Energy (historical)
Thorium 2.48 × 10⁷ Vexar coast Thermonuclear
Pt-group 1.70 × 10⁵ Kharak (Khar-Tor) Catalyst, electronics
Rare earths 5.58 × 10⁷ Vexar Electronics, superconductor
Gold 9.09 × 10⁴ Rhuval (Thash-Ven) Electronics, jewelry
Phosphate 5.15 × 10¹⁰ Kharak (sedimentary) Fertilizer

Energy balance:

Type Potential (sv/y) Developed Share
Thermonuclear Unlimited ~2.4 × 10¹⁶ 62%
Solar ~1.1 × 10¹⁷ ~7.9 × 10¹⁵ 20%
Hydro ~1.5 × 10¹⁶ ~3.4 × 10¹⁵ 9%
Geothermal ~5.1 × 10¹⁵ ~1.8 × 10¹⁵ 5%
Wind ~1.2 × 10¹⁶ ~1.6 × 10¹⁵ 4%

3.9 Natural Threats

3.9.1 Earthquake

~15 000 M>2.0/year.

Zone Activity Max M Risk
Khar-Tor subduction High 8.7 High
Thash Fault Moderate 7.4 Moderate
Vexar deep fault Low 5.8 Low
Serrin transform Moderate 6.9 Moderate

3.9.2 Volcanism

~180 active, ~30 supervolcanoes (VEI-8).

Volcano Height (sha) Last eruption Type
Khar-Tor (Kharak) 9 537 1 280 y.E.U. Stratovolcano
Moraat (Rhuval) 7 915 230 y.E.U. Shield
Tor-Ven (Kharak) 6 354 ~8 000 y ago Supervolcano (caldera)

3.9.3 Impact

~1 major (>10 km crater) per 500 000 y. Planetary defense — → rhu [Ruun 09].


3.10 Théxar Ven-Khal — Cultural

"Vokh continent — vokh sha-ven. Kharak — vel, khar, ven-khal. Rhuval — sha-en, vokh, khal-vex. Vexar — mor, rass, khar-mor. Sha-ven-ak geographer. Ven-thar continent-mor rass sha-ven — vokh sha-en." — "Geography for Travelers," +2 500 y.E.U.

Xha'Ruun ven-khal Théxar — "The-Xar Vokh" (Great Mother). Ocean = circulation, mountain = skeleton, wind = breath. Verb shal-ven (breathe) ven shal-thar (blow) — same root.

Rass-Ven: Théxar-mor xa-sha-ven ecology ethics-tor rass (→ rhu [Ruun 08]), religion-tor (→ rhu [Ruun 10]).


Ruun Ven

  1. Théxar — geologically active, differentiated core, 7 main plates, active volcanism.
  2. Atmosphere CO₂ 0.8% — equilibrium compensation (not catastrophe).
  3. Sky golden-bronze — CO₂ + H₂S + Khar'Vex spectrum.
  4. 2 ocean + 5 sea, 67% water surface.
  5. 3 continents: Kharak (1.41), Rhuval (0.90), Vexar (37.555 million km²).
  6. Magnetosphere moderate (42 µT), atmosphere compensates.
  7. Resources — Fe/Cu/Th/Pt (Kharak).
  8. Energy: 62% thermonuclear.

Rass-Ven (CANON):


Scenes from this chapter

Théxar from orbit: oceans, continents and cloud systems.
Théxar from orbit: oceans, continents and cloud systems.
Aurora over the nightside of Théxar.
Aurora over the nightside of Théxar.
Deep rocks in a laboratory: core samples and instruments for studying the interior.
Deep rocks in a laboratory: core samples and instruments for studying the interior.