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Xha’Ruun

Ruun 02: Khar'Vex Khal-Sha

"Sha-en xha-sha ven-thar rass-ven, ven-mor sha rass-ven — the-mor the-mor sha-vex — ven-thar: rass-ven the-mor rass. Khal-sha-tor rass." — "Vokh-Sha Ven-Khal," Rass-Ven, ~−5 800 y.c.


Ruun-ak rass: → rhu [Ruun 01, "Vokh-Rass"], → rhu [Ruun 03, "Théxar"], → rhu [Ruun 09, "The-Sha-Ak"] Mor-ven: Khar'Vex khal-sha — K2V, 6.5 billion Julian years-tor, six major planets, dwarf planet Phor, and an asteroid belt.


2.1 Khar'Vex — The Star

2.1.1 Sha-Ven

Shan Ven
Spectral class K2V (orange dwarf)
Mass 0.82 M☉
Radius 0.78 R☉
Luminosity 0.41 L☉
Photosphere T 2 643°X
Age 6.5 billion Julian years
Metallicity [Fe/H] +0.12
Rotation 28.5 days
Axial tilt 7.3°
X-ray luminosity 3.1 × 10²⁷ erg/mig
Activity (log R'HK) −5.02

Rass-Ven: K-class star (orange dwarf) — sha-en-ak vokh-thar-ak. Main sequence ~20–30 sha-mor cycles (G-class-mor 2–3× khar), sha-en-ak evolution mor-ven. UV +1.5% (G-star 5%) — the-sha-mor rass-ven.

2.1.2 Rass-Sha — Internal Structure

2.1.3 Spectrum ven Sha-Vex

Spectrum → red. Peak ~570 nm (yellow-orange). Rass-ven Théxar-ak:

2.1.4 Magnetic Activity

Shan Khar'Vex
Activity cycle 9.1 years
Spots at maximum 30–40% (G-star sha)
X-class flare 1–2 per cycle
CME Rare, weak
Luminosity variation ±0.08%

Khal-Ven: Khar'Vex vokh-vex rass-ven — sha-en-ak Théxar-tor mor-ven. "Sha-Ven Vokh-Mor" ~3 sha-mor cycles-tor rass-ven-ven.

2.1.5 Khar'Vex Mor — Future

Khar’Vex is currently on the main sequence, powered by hydrogen fusion. Its structure will change as core hydrogen is depleted.

StageProcess
Main sequenceCore hydrogen fusion
Later stagesExpansion and shell burning
Giant stagesLarge changes in luminosity and radius
Envelope lossMatter returned to the surroundings
White dwarfLong cooling of the remnant

Long-term habitability depends on stellar evolution and on the response of the atmosphere and ocean. Preparing for the distant future begins with observing those processes.


2.2 Khal-Sha Sha-Ven — System Architecture

2.2.1 Rass

Molecular cloud (metallicity +0.12)-tor, ~6.5 billion Julian years-tor.

2.2.2 The-Mor Sha-Ven — Planetary Overview

The-Mor Type a (AU) Mass Radius Period Ecc. Moon
Vax Scorched rocky 0.21 0.43 0.63 33.6 d 0.03 0
Xhel Greenhouse 0.42 0.92 0.95 92.8 d 0.01 0
Thexar Habitable 0.63 1.00 1.00 202 d 0.018 2
Belt Asteroid 1.15–1.65 0.03 — — — —
Zhal Mini-Neptune 2.80 6.7 2.2 3.73 y 0.05 3
Rhuun Gas giant 5.90 103.7 10.1 11.4 y 0.04 17
Koss Ice giant 11.2 16.0 4.0 29.9 y 0.03 8
Phor Dwarf planet 18.6 0.02 0.13 62.3 y 0.21 1

Mass, radius — rel. Théxar. AU = 149,597,870,700 metres.

2.2.3 Habitable Zone

Shan Ven Note
Inner (conservative) 0.44 AU Ocean evaporation
Outer (conservative) 0.82 AU Max greenhouse
Inner (optimistic) 0.38 AU Thin atmosphere
Outer (optimistic) 0.95 AU Dense CO₂
Théxar 0.63 AU Habitable zone center

2.3 The-Mor Ven-Sha — Inner Planets

2.3.1 Vax — Scorched World

Shan Ven
a 0.21 AU
Mass 0.43
Radius 0.63
g 13.3 sha/mig²
T (day) +273°X
T (night) +143°X
Atmosphere None
Rotation 33.6 d (tidal lock)
Tectonics Inactive

Vax — tidal locked. Rass-ven-ak vokh-ven. Sha-en-ak gravity assist mor.

2.3.2 Xhel — Greenhouse Trap

Shan Ven
a 0.42 AU
Mass 0.92
Radius 0.95
g 12.3 sha/mig²
Atmosphere CO₂ 96%, N₂ 3%, SO₂ 0.5%
Surface pressure 455 tyazh
Surface T +296°X
Rotation 92.8 d (tidal lock)

Runaway greenhouse — ocean thal-ven, CO₂ atmosphere thexar. Sha-en-ak 73–97 km altitude (T ≈ 45°X) — research station.


2.4 Asteroid Belt

Shan Ven
Distance 1.15–1.65 AU
Total mass 0.03 (rel. Théxar)
Objects >10 km ~35 000
Objects >100 km ~120
Largest Veksarr (D=412 km)
Composition Rocky 80%, metallic 15%, carbonaceous 5%

Veksarr — dwarf planet, Ni-Fe + platinum-group core.

Rass-Ven: Belt — Xha'Ruun rass-ven-ak khal-ven. ~40 asteroid-ak mining (Fe, Ni, Pt, Au, Rh). 1 km asteroid — Théxar-mor sha-mor platinum-ak khar-mor.


2.5 The-Mor Vokh-Sha — Outer Planets

2.5.1 Zhal — Mini-Neptune

Shan Ven
a 2.80 AU
Mass 6.7
Radius 2.2
Density 4.1 g/cm³
Atmosphere H₂ 80%, He 18%, CH₄ 1.5%, H₂O 0.3%
T (1 tyazh) −32°X
Period 3.73 y
Moons 3

Rass-ven ³He-mor — thermonuclear fuel source (→ rhu [Ruun 09]).

2.5.2 Rhuun — Lord of the Rings

Shan Ven
a 5.90 AU
Mass 103.7
Radius 10.1
Density 0.78 g/cm³
Atmosphere H₂ 86%, He 13%, CH₄ 0.8%, NH₃ 0.1%
T (1 tyazh) −53°X
Period 11.4 y
Rings 4 main + 2 thin
Moons 17
Largest moon Thalass (D=2 840 km)

Rhuun — gravity lord, most of the tabulated planet-and-belt mass. Ring width ~24 400 mo (Théxar-tor telescope-el).

Khal-Ven: Thalass — colonization candidate №1:

  • N₂-CH₄ atmosphere (0.08 tyazh)
  • Subsurface H₂O ocean (ice crust ~24 400 sha)
  • Geological activity (tidal heating)
  • Organic compounds

2.5.3 Koss — Ice Giant

Shan Ven
a 11.2 AU
Mass 16.0
Radius 4.0
Density 1.8 g/cm³
Composition H₂O, CH₄, NH₃ ices + H₂/He
T (1 tyazh) −91°X
Period 29.9 y
Moons 8
Axial tilt 82° ("on side")

2.5.4 Phor — Outskirts Sentinel

Dwarf planet, ecc. 0.21, orbit 14.7–22.5 AU. H₂O/CH₄ ice + rocky core. 1 moon (D~30 km).

Khar Cloud: ~30–800 AU, ~10¹²–10¹³ comet nuclei (0.1–20 km) — long-period comet source.


2.6 Heliosphere ven Space Weather

2.6.1 Stellar Wind

Shan Khar'Vex (0.63 AU)
Wind speed ~775 mo/mig
Density ~2 cm⁻³
B-field ~3 nT
Temperature ~4.4 × 10⁴ °X

2.6.2 Heliopause

~95 AU-tor.

2.6.3 Radiation on Théxar

Khar'Vex vokh-vex + Théxar magnetosphere + dense atmosphere = ~0.8 mSv/year (natural).

Rass-Ven: Low radiation — Xha'Ruun sha-en-mor thexar (→ rhu [Ruun 05]), ven space mission-ak radiation-mor vokh (→ rhu [Ruun 09]).


2.7 Comet ven Small Bodies

Comet — H₂O, CO₂, CH₄, NH₃ delivery mor. Théxar-mor dual:

Aspect + −
Water H₂O delivery —
Organic Prebiotic import —
Collision — Extinction event

Planetary defense: interception system (→ rhu [Ruun 09]).

Meteorite: ~7 300 fall/year Théxar-mor.


2.8 Ven-Khal — Cultural

"Xha-sha khal-sha rass-ven vokh, rass-ven the, rass-ven mor — vokh xha-sha-ak. The-mor rass rass-ven." — Astronomer Thash-Ven, "Xha-Sha ven Xha," Era of Unity

2.8.1 The-Mor Mythology

Sha-en mythology (→ rhu [Ruun 10]) — the-mor ↔ Vokh-Ven Sha-El (Seven Voices):

The-Mor Vokh-Ven analog Symbol
Vax Ghal-Thar (destruction) Flame
Xhel The-Xa (nature's wrath) Ash
Thexar All Seven (balance) Hexagon
Zhal Ven-Ash (concealment) Mist
Rhuun Khar-Vex (greatness) Crown
Koss Rass-Ul (peace) Ice
Phor Nur-Vek (boundary) Threshold

2.8.2 The-Mor Sha-Ruun — Names

Name Root Meaning
Vax vax- scorched, singed
Xhel xhel- hidden, closed
Thexar the- + xar- earth + mother → "earth-mother"
Zhal zhal- frost, cold
Rhuun rhuun- great, lord
Koss koss- silence, stillness
Phor phor- end, limit

2.9 Khal-Sha Xha-Sha Mor — Exploration Chronology

Year Event
+480 Théxar orbital flight
+620 Vax flyby
+750 Xhel orbiter
+1 100 Belt flyby, Veksarr map
+1 200 Serrin landing
+1 200 Thalass landing
+1 550 Koss probe
+1 800 Phor flyby
+2 200 Xhel aerodynamic base
+2 800 Veksarr drilling station
+3 500 Heliopause probe
+3 800 Interstellar probe launch
+4 028 Present

Ruun Ven

  1. Khar'Vex K2V — 6.5 billion Julian years, ~1/3 life passed.
  2. Classic system: three inner rocky planets, an asteroid belt, three outer giants and dwarf planet Phor.
  3. Théxar — habitable zone center (0.63 AU), safety margin ~1 sha-mor cycle.
  4. Asteroid belt — main resource.
  5. Rhuun — 17 moons, Thalass — colonization candidate.
  6. Khar'Vex heliosphere weak → Théxar magnetosphere critical.

Rass-Ven (CANON):


Scenes from this chapter

The rings of Rhuun in the outer Khar’Vex system.
The rings of Rhuun in the outer Khar’Vex system.