Dark matter & dark energy · Frontiers of knowledge

SIMULATING DARK MATTER & DARK ENERGY

▸ Loading galaxy rotation curves (Vera Rubin)…

▸ Building the invisible dark matter halo

▸ Calibrating gravitational lensing

▸ Loading the Bullet Cluster + CMB fluctuations

▸ Weighing the cosmic budget ~5 / 27 / 68%…

▸ ⚠ Note: we DON'T know the nature — only inferred from gravity

▸ Ready — Online. ✅

Cosmic budget

🥧 ~5 / 27 / 68%

Ordinary matter—

Dark matter—

Dark energy—

Rotation gap—

Evidence type—

Dark halo—

Viewing—

The honest boundary

We DON'T know what dark matter & dark energy are. They are inferred FROM the gravitational effect on visible matter & light — no one has ever observed them directly.

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Pick a "Scenario" (rotation curve / lensing / Bullet Cluster / CMB / expansion / budget) · turn off the dark halo to see the rotation curve collapse · tap evidence to see "known / UNKNOWN"

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Star velocity vs radius — observed vs predicted observed (flat)predicted (visible matter only)