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rocket design → Hohmann transfer → animated orbital insertion. Full mission report.

Detect exoplanets from light curve dips. Adjustable planet size/period/inclination. Habitable zone check. TRAPPIST-1 preset.

7 minutes of terror — atmospheric entry, parachute, powered descent, sky crane. Entry angle controls failure modes.

3D wireframe spacecraft with reaction wheels. 6 modes manual, rate damping, sun-pointing, detumble. Quaternion dynamics.

All 8 planets with real Keplerian orbits. Kepler equation solver. Asteroid belt, dwarf planets, Saturn rings. NASA data.

Sobel edge detection + Hough transform finds craters on procedural lunar surfaces. Human vs AI comparison mode.

Neural net classifies stars by temperature/luminosity/radius. HR diagram visualization. Sun, Betelgeuse, Sirius presets.

Calculate interplanetary transfers. Delta-v, travel time, launch windows. Animated spacecraft along transfer ellipse.

Launch satellites — altitude, inclination, eccentricity. ISS/GEO/Molniya presets. Kepler orbits with time control.

N-body sandbox — place stars, planets, moons. Click-drag to launch. Solar system, binary stars, chaos presets. Merging collisions.

Tsiolkovsky visualized — adjust exhaust velocity and mass ratio. Saturn V, Falcon 9, Starship presets. See which missions you can reach.

Segment satellite imagery by terrain type: water, vegetation, buildings, terrain. NDVI vegetation health analysis.

All 3 laws interactive. Elliptical orbits, equal areas in equal times, T²/a³ relation.

L1-L5 for Earth-Sun/Moon. Test stability. Place JWST at L2. CR3BP dynamics.

Atmospheric re-entry thermal sim. Heat shield ablation, plasma trail. Compare capsule shapes.

Planetary slingshot maneuver. Speed gain visualization. Voyager grand tour path.

Two spacecraft docking. Phase-based burn sequence. Clohessy-Wiltshire relative motion.

Interactive solar system delta-v graph. Click destination, see total cost from Earth. BFS routing.

Simulate gravity slingshots around planets. Pick departure, flyby, destination. See delta-v savings vs direct transfer.

Design Walker, sun-sync, polar constellations. 3D globe with orbiting satellites. Ground coverage and revisit times.

Heat shield physics: ablative vs radiative. Simulate g-forces, temperature, altitude. Capsule, shuttle, skip profiles.

Design multi-stage rockets. Pick engines, propellant, payload. Optimize stage ratios. Tsiolkovsky equation per stage.

Refractor, reflector, radio telescopes. Adjust aperture, focal length. Light gathering, Airy disk resolution, views of Moon/planets/galaxies/nebulae.

Kessler syndrome visualization. Thousands of debris particles, collision cascades, mitigation strategies. Add satellites, watch exponential fragmentation.