PlanetenSpielundApp2b vs Stars Units Sizes Objects Usage & Stats
Educational game for children to learn the celestial bodies (all planets included, many known moons, asteroids, stars, black holes and the latest a nebula).
We still have some celestial bodies in the works - please leave them in the comment if a specific celestial body is to be included.
A gravitation arena where you can see, Newton Laws in action.
Lernspiel für Kinder zum Erlernen der Himmelskörpern (alle Planeten dabei, bekannte Monde, Asteroiden, Stern, schwarze Löcher).
Wir haben noch einige Himmelskörper in Arbeit - bitte in die Kommentar hinterlassen, wenn ein bestimmter Himmelskörper aufgenommen werden soll.
Eine Gravitationsarena, wo Newton Gesetze wirken.
- Apple App Store
- Free
- Education
Store Rank
- -
Size of the smallest to largest objects and stars.
Compare the size of objects in the universe.
Object images.
Pinch/Zoom image.
Pan/Move image.
Rotate image.
Double tap to reset an image.
From the smallest to the largest one.
From planck length to observable universe.
From Yoctometre, Zeptometre, Attometre, Femtometre, Picometre, Nanometre, Micro, Millimetre, Centimetre, Metre, KiloMetre, Lightyear, Parsecs, Billion Lightyears to 93 Billion Lightyears.
Size of objects, particles, atoms, cells, stars and galaxies.
Get to know the stars.
Get to know the spaces.
get to know the universe.
How small is this world.
How big is the universe.
And How great is the creator.
How far is the star distance from earth.
Two way 18 distance unit conversion.
planck length, yoctometer, zeptometer, attometer, femtometer, picometre, nanometre, micrometre, Millimeter, Centimeter, Meter, Kilometer, Inch, Foot, Mile, Astronomical, Lightyear, Parsecs.
Perform auto conversion when picker is changed.
Share conversion result.
Reset unit convertor.
- Apple App Store
- Free
- Education
Store Rank
- -
PlanetenSpielundApp2b VS. 
Stars Units Sizes ObjectsJanuary 15, 2026