Explore The Great Void (formerly Boötes Void) — a free, immersive 3D Three.js simulation of stars, nebulae, and cosmic emptiness.
Enjoy real-time procedural nebulae, subtle glowing rings, and soft lighting that create a cinematic sci-fi atmosphere in your browser.
The most comprehensive and visually stunning Great Void simulation ever created. Explore the cosmic emptiness like never before.
Discover more free, browser-based simulators to explore science, space, and learning in an interactive way.