Aphelion · Solar System Explorer
An interactive 3D journey through the solar system
Aphelion is a free, interactive 3D Solar System Explorer. Fly through space, view each planet to scale with real NASA-derived textures, read key facts, and test your knowledge with quizzes — from the Sun all the way out to Pluto. This experience needs JavaScript and WebGL enabled in your browser.
Worlds you can explore
- The Sun — the star at the heart of the solar system.
- Mercury — the swift, cratered planet closest to the Sun.
- Venus — Earth's scorching, cloud-shrouded twin.
- Earth — our pale blue dot, the only known home for life.
- Mars — the red planet with the solar system's tallest volcano.
- Jupiter — the giant of storms and the four Galilean moons.
- Saturn — the ringed jewel, light enough to float on water.
- Uranus — the ice giant that rolls on its side.
- Neptune — the dark, windswept edge of the planets.
- Pluto — the distant dwarf planet and its moon Charon.
Explore planets, discover space facts, and learn astronomy through a cinematic 3D experience — free, in your browser, with no sign-up.