Interactive astronomy for curious minds
Explore the universe, one step at a time
From our own Sun to distant galaxies and black holes - learn with interactive simulations, real NASA images, and bite-sized lessons. Built for students aged 8 to 18.
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Choose a topic
Solar System
The Sun, eight planets, moons and dwarf planets.
Stars
How stars are born, live and die.
Galaxies
The Milky Way and the shapes of galaxies.
Black Holes
Where gravity is so strong even light is trapped.
Core Concepts
Gravity, light, time and orbits - the big ideas behind it all.
Space Missions
The story of how we explore space.
Guided Tour
One illustrated journey through all of it, with sound.
Learning paths
Guided sequences that build up an idea step by step.