Each dot is a real galaxy, mapped in 3D from the Sloan Digital Sky Survey. You are looking at roughly 150,000 galaxies spanning 2 billion light-years — a small slice of the observable universe viewed from Earth.

Navigate

Trackpad / touch
Drag to rotate · Pinch to zoom · Two-finger scroll to pan
Mouse
Left-drag to rotate · Right-drag to pan
Keyboard
Arrow keys to rotate · +/− to zoom · Space to toggle auto-rotate
Tap or click a galaxy to see its image and data.

Cosmic filaments

Press the button to reveal the cosmic web — vast filaments of dark matter and gas that stretch between galaxy clusters. Galaxies form along these filaments, leaving enormous empty voids between them.

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Galaxy data: SDSS DR18
Filaments: Tempel, Stoica & Saar (2014)
Rendered with three.js