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🌌 Galactic Disks: The Rotation-Curve Problem

Interactive 3D spiral galaxy disk showing the flat rotation-curve problem: watch orbital velocities across the disk and compare them to the Keplerian prediction, revealing the case for dark matter.

Space & Astronomy3DModerate60 FPS

⚙ Under the hood

Explore a 3D spiral galaxy disk whose stars orbit far faster at large radii than visible mass alone predicts, revealing the flat rotation-curve evidence for dark matter.

Three.jsAstrophysicsDark MatterOrbital Dynamics

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install