
Memory Match
Test your memory by matching pairs of hidden cards and improve your cognitive abilities
Explore planets, orbits, moons, and scale modes in an interactive 3D scene.

Test your memory by matching pairs of hidden cards and improve your cognitive abilities

Typing practice with live speed and accuracy stats on sentences, code, or your own text.

A 60-second word sprint in English or Chinese pinyin mode.

Pop balloons by pressing the letter on each one before it floats away.
Solar System is an interactive 3D model of our planetary neighborhood. Orbit the Sun, watch the planets move along their paths, speed up time, and click any planet to learn more about it. It works like a small planetarium in your browser and is great for curious kids and adults alike.
Drag to rotate the camera and use the camera distance control to zoom. Click a planet to inspect it, and use the time speed and tracking controls in the side panel.
The Sun-centered model of the solar system was set out by Nicolaus Copernicus in 1543. Today we know of eight planets; Pluto was reclassified as a dwarf planet in 2006.
The orbits and order of the planets are represented, but sizes and distances are scaled so every planet stays visible.
The model uses WebGL. Enable hardware acceleration in your browser or try another browser.
Yes. It is a hands-on way for children to explore the planets and their orbits.