A closer look
What you can do with Solar System Explorer
Solar System Explorer is a 3D orrery you can fly around — getting the real sense of scale, distance and motion that diagrams flatten away.
The whole system, to scale and in motion
Travel from the Sun out past the eight planets, dozens of moons, the dwarf planets and the Kuiper belt.
- Sun, eight planets and dozens of moons
- Dwarf planets and the Kuiper belt
- Animated orbits with a date timeline
- Toggle orbit paths, labels and body spin
Click any world for the details
Select a planet or moon to pull up its facts and surface features, and orbit in close to see it for yourself.
- Click any body for facts and surface features
- Overlays for orbits, labels, belts and rings
- Realistic-size and realistic-distance modes
- Smooth fly-to and zoom on any world
Test your astronomy
Built-in quizzes turn the tour into active recall — name the body, order the planets, match the stats.
- Several astronomy quiz modes
- Name-the-body and order-from-the-Sun challenges
- Instant feedback
- Replayable for practice
