Subject
Astronomy
Simulate solar and lunar eclipses, the 3D Solar System, satellite orbits, meteor showers and the night sky.
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Labs available 10
Experiments
All experiments- Solar and lunar eclipsesDrag the Moon along its orbit, watch the shadow cross the Earth, then stand on Earth and see the eclipse.Open lab
- Moon phasesWatch why the Moon waxes and wanes as it orbits the Earth.Open lab
- Satellites 3DSpace stations and bright satellites on a 3D globe: live positions, tracks, sunlit or in shadow, and what you can see from your site.Open lab
- Solar systemFly through the planets and compare their orbits and sizes.Open lab
- Sky simulatorA planetarium for your site and any time: real stars, the Milky Way, constellations, planets, satellites and meteors in an all-sky map or a 3D dome.Open lab
Astronomy tools 5
- Astro calendarTonight's sky, a monthly Moon and event calendar, upcoming eclipses, planets, meteor showers and asteroid close approaches.Open lab
- Meteor showersThe 13 major annual showers: forecast, viewing guide, 3D orbits and dark-sky sites.Open lab
- Conjunctions & transitsPlanet, Moon and star conjunctions, lunar occultations, satellite transits, Galilean moon phenomena and Mercury/Venus transits for your location.Open lab
- Light pollutionBortle class map with city light domes, VIIRS night lights and a dark-sky sites table.Open lab
- Plate solvingBlind star-pattern solver: upload an astrophoto and get its RA/Dec, field of view and the constellations and objects in it.Open lab