Free · Worlds beyond our Sun
Exoplanet Explorer for Kids
Explore 12 real faraway worlds and compare their stars, years, sizes, and distances.
- Clear, kid-friendly steps
- Private in your browser
- No signup
Worlds beyond our Sun
Pick a planet to explore
Centaurus
Proxima Centauri b
Orbits Proxima Centauri11.18 Earth days per year
It circles the closest star beyond our Sun.
- Distance
- 4 light-years
- Found by
- star wobble
- Size
- Not listed
Powered by Open Exoplanet Catalogue (curated subset), an open-source library available under MIT.
Three simple steps
How to use it
- Pick a real planet that circles a star beyond our Sun.
- Compare its size, year, heat, distance, or discovery date.
- Try another world and see how different it can be.
Private by default
Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.