SIMULATION · REAL-TIME RAY-TRACED (SCHWARZSCHILD)

THE UNIVERSE IS NOT WHAT IT SEEMS.

ENTER THE COSMOSEXPLORE THE SCIENCE

Journey beyond the event horizon. Explore galaxies, black holes, nebulae and the physics of reality.

Galaxy Explorer

Islands of stars

Seven families of galaxies, with real examples. Tap "Discover more" on any card.

Black Hole Lab

Where spacetime breaks

Drag the view to tilt the disk. Tap a concept to highlight it.

Deep Space Explorer

Ten journeys

Interactive Science

Instruments

Planet selector

Gravity & escape velocity

Light-year calculator

Cosmic distance comparison (log scale)

Stellar evolution timeline

Space-object search

Quiz

Test your cosmos