Real-time Astrophysics Simulations — Powered by WebGL & Live NASA/NOAA Data
Explore the universe through scientifically grounded, interactive simulations. From solar wind physics to galactic structure — all running live in your browser.
📷 App Gallery — real screens from the simulator
✦ Simulations — click any card to launch
Interactive 3D map of the Milky Way and beyond — 100+ catalog stars with accurate Hipparcos distances, 90,000-particle spiral arms, and S-star orbits around Sgr A*.
Hardware-accelerated 3D solar system — accurate orbital periods for all 8 planets + moons, asteroid belt, CME bursts, and live NOAA space weather.
Real-time 3D Earth with live NOAA/SWPC space weather — magnetosphere geometry, radiation belts, aurora curtains, and ionospheric analysis from live solar wind data.
G2V 3D simulator with real-time NOAA/SWPC data — active region markers, GOES X-ray flux, and recent flare log updated live.
Explore 12 different stellar classifications from blue giants to black holes with accurate scientific data.
Simulates Parker spirals, coronal mass ejections, solar flares, and fluid dynamics with multiple visualization modes.
Real computational fluid dynamics with full Navier-Stokes solver, Parker spirals, and ultra-compact terminal UI.
2D accretion disk fluid dynamics with Jos Stam stable fluids solver — BH gravity, jets, event horizon sink, and photon ring rendering.
Parker spiral magnetic field + stellar wind particle simulation with Alfvén surface, termination shock, heliopause, and bow shock boundaries.
Wolf-Rayet stellar wind simulator — the hottest known star at ~210,000 K with extreme mass-loss and 5,000 km/s winds.
Rapid-rotator A0V star simulator — Vega spins so fast its equator bulges 23 % wider than its poles, with gravity darkening across the disk.
The famous red supergiant M2Iab — giant convective cells, pulsation, TiO molecular shell, asymmetric dust envelope, and slow stellar wind.
The Sirius A1V + DA2 white dwarf binary — watch them orbit with elliptical Keplerian dynamics and compare the brilliant blue-white primary to its tiny, dense companion.
A speculative planetary system around Sirius A & B — full orbital mechanics, imagined worlds in the habitable zone, and the stellar wind from this brilliant binary pair.
High-performance native code compiled to WebAssembly using the Bevy game engine — fluid simulation, magnetic field tracing, and particle advection.
Full-featured desktop application with OpenGL rendering and the Celestial Studio creator tool.
All feeds are public, CORS-enabled APIs — no API key needed for NOAA or JPL Horizons. NASA DONKI & NeoWs use a free demo key.
DSCOVR/ACE L1 magnetometer — Bt, Bz, speed, density & temperature at 1-minute cadence. Powers the live bar above and all Sun/wind simulations.
3-hour estimated Kp from the global network of ground magnetometers. Drives geomagnetic storm level (G0–G5) in the simulations.
Primary GOES satellite 0.1–0.8 nm channel — classifies solar flares A/B/C/M/X in real time and triggers flare animations.
7-day GOES flare catalogue with location strings (e.g. N24W30). Used to aim camera fly-to events on the Sun simulator.
Current sunspot group table — Carrington longitude, area (μHem), magnetic complexity (Beta/Gamma). Renders torus markers on the 3D Sun.
GOES integral proton channels (>10 & >100 MeV) — detects Solar Energetic Particle events and radiation storm levels (S1–S5).
OVATION Prime model auroral power estimate — north & south hemispheres, 30-minute nowcast. Feeds auroral ring visualization.
Machine-readable alert/warning/watch messages for all NOAA G/S/R scales — parsed and surfaced as in-app notification banners.
10.7-cm solar radio flux — a proxy for EUV/X-ray solar activity. Updates every 24 hours; drives solar cycle phase indicator.
NASA Space Weather Database CME list with speed, half-angle, and GSM direction. Used to trigger modelled CME propagation in-sim.
NASA-catalogued geomagnetic storm events with Kp onset time — cross-referenced to NOAA Kp for richer storm timeline display.
Solar Energetic Particle event catalogue from NASA DONKI — onset times, peak fluxes, and linked CME/flare associations.
Live SOHO/LASCO coronagraph images — C2 covers 2–6 solar radii (inner corona), C3 covers 3–30 solar radii (CME detection). Updated every ~20 min.
NASA Solar Dynamics Observatory AIA images at 8 wavelengths — 171Å (coronal loops), 193Å (1.5 MK corona), 304Å (chromosphere), 1600Å (UV), HMI magnetogram. Updated every ~12 min.
STEREO-A spacecraft COR2 coronagraph and EUVI 195Å images from its L4 vantage point — shows the Sun's far side. Position tracked via JPL Horizons.
JPL HORIZONS REST API — live heliocentric XYZ positions (AU) for all 8 planets, the Moon, and STEREO-A. No API key required. Updated hourly in-sim.
NASA NeoWs API — close-approach list for the next 7 days. Includes miss distance (km / lunar), relative velocity, diameter estimate, and hazard flag (PHA).
Parker solar wind theory, Hipparcos star catalog distances, NOAA/SWPC live solar data, Navier-Stokes CFD, and real orbital elements throughout.
Optimized rendering with WebGL, Three.js, and WebAssembly for smooth 60+ FPS simulations — even on mobile.
Real-time parameter adjustments, camera controls, and visualization modes to explore stellar phenomena at your own pace.
12 real-time data streams from NOAA/SWPC and NASA DONKI — solar wind, Kp, X-ray flux, CME alerts, proton storms, and aurora forecasts.
Runs in any modern browser on desktop, tablet, and mobile. No installation required — just click and explore.
Full source on GitHub. Rust/Bevy WASM, Three.js, WebGL, Python/Pygame — contribute, fork, or customize.