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⭐ Exotic Astrophysics

The universe's most extreme stellar objects: brown dwarfs, neutron star mergers, magnetar flares, Chandrasekhar's mass limit, wormholes and Roche-limit tidal disruption.

6 simulations60 fps real-time0 install steps

Brown Dwarf Classifier & CoolingNewAdjust mass to classify a brown dwarf, star, or giant planet, and watch its cooling curve…

Chandrasekhar Limit SimulatorNewAdd mass to a white dwarf and watch it collapse into a supernova or neutron star once it…

Magnetar Starquake & FlareNewWatch an ultra-magnetized neutron star's field lines crack, reconnect, and erupt in a giant…

Neutron Star Merger & KilonovaNewWatch two neutron stars spiral together under gravitational-wave loss, merge, and blast out…

Wormhole Spacetime VisualizerNewBend spacetime and watch a light ray cross a conceptual wormhole throat in this interactive…

Roche Limit Tidal DisruptionNewWatch a moon stretch and shatter into a debris ring as it crosses the Roche limit around a…

About the category

Exotic Astrophysics

The universe's most extreme stellar objects: brown dwarfs, neutron star mergers, magnetar flares, Chandrasekhar's mass limit, wormholes and Roche-limit tidal disruption.

Three.js · WebGL 60 FPS CC BY 4.0

Quick facts

6interactive simulations in this category

⚡runs at 60 FPS in any modern browser

🌐English, Ukrainian, Polish, Spanish, German, Japanese, Italian, Portuguese (Brazil), French, Arabic, Dutch, Chinese, Korean, Hindi, Turkish, Vietnamese, Russian, Indonesian, Persian, Bengali, Thai, Filipino, Swahili, Urdu, Malay, Tamil, Hebrew, Greek, Punjabi, Amharic, Burmese, Khmer, Georgian, Nepali, Mongolian, Armenian, Sinhala, Lao, Czech, Romanian, Hungarian, Bulgarian, Swedish, Danish, Finnish, Norwegian, Slovak, Croatian, Serbian, Slovenian, Lithuanian, Latvian, and Estonian

🎓CC BY 4.0 — free for classrooms and LMS embeds

Frequently asked questions

Do I need to install anything to run Exotic Astrophysics simulations?▾

No. Everything runs entirely in your browser — no downloads, plugins or accounts. Works in Chrome, Firefox, Edge and Safari; most simulations also work on mobile.

Can I use these simulations for teaching?▾

Yes — all content is free for educational use under CC BY 4.0. Link to any simulation directly or embed it in your LMS with an iframe; no API key required.

Are the models scientifically accurate?▾

They use the same mathematical formulations as professional software, integrated numerically in real time. Each simulation lists its algorithms, and many link to an article explaining the mathematics.

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