Mission Control

Hello, tiny astronomer!

Welcome to your paper-cut classroom. Tap a planet, build an orbit, or take a quiz — every activity earns you a sticker badge.

0 of 5 activities0 of 9 worlds visited

Pick an activity

Tap one to begin

Tap each planet to learn a friendly fact.

Put two planets side by side and see how they differ.

Drag each planet onto its orbit ring.

Five quick questions. Get them all right for a bonus badge.

Open your collection of paper-cut badges.

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The Sun is so big, a million Earths could fit inside!