Cosmos — 3D Universe Browser & Physics Sandbox

🪐

KOSMOS 3D HTMXUI + Three.js v0.10.30

Interactive 3D Universe Browser & Orbital Physics Sandbox

Warp:

Orbit Trails

⚡ WebGPU (Default)

60 FPS

Exit to Docs

🔍

☀️

Sun (Sol)

Yellow Dwarf G2V

0.00 AU

☿

Mercury

Terrestrial Planet

0.39 AU

♀

Venus

Dense Greenhouse

0.72 AU

🌍

Earth (Terra)

Habitable Oasis

1.00 AU

🔴

Mars

Red Desert Planet

1.52 AU

🪐

Jupiter

Gas Giant (318 M⊕)

5.20 AU

🪐

Saturn

Ringed Giant

9.58 AU

🔭

TRAPPIST-1e

Exoplanet (39.5 ly)

0.03 AU

🌌

Gargantua

Black Hole Anomaly

Singularity

🕹️ Controls: Left-click + Drag to rotate • Scroll to Zoom • Right-click to Pan

Terrestrial Planet Habitable (ESI: 0.94)

Earth (Terra)

The third planet from the Sun and the only astronomical object known to harbor life. Possesses a nitrogen-oxygen atmosphere and liquid surface oceans.

Astrophysical Metrics

Mass ($M$)

5.972 × 10²⁴ kg

Equatorial Radius

6,371 km

Orbital Velocity

29.78 km/s

Surface Gravity ($g$)

9.807 m/s²

Escape Velocity

11.18 km/s

Mean Temp

15°C (288 K)

Atmospheric Composition

Nitrogen (N₂)78.08%

Oxygen (O₂)20.95%

Argon & Trace (Ar, CO₂)0.97%

⚛️ 2D Kinetic Gravity Companion

htmx-sim 120Hz