Space Exploration GamesExplore / A little farther from home
There’s a world
beyond the game.
Start with our nearest cosmic neighborhood. Meet eight very different planets, ask a question, and see the answer take shape.
Explore the planetsIllustrations are not to scale.
Your first field guide
One star.
Eight worlds.
So many differences.
Mercury, Venus, Earth, and Mars are rocky planets. Jupiter and Saturn are gas giants, while Uranus and Neptune are ice giants. They share a Sun, but not the same size, atmosphere, or pace of life.
A planet’s year is the time it takes to travel around the Sun. Its rotation is a separate clock. Explore both in our guide, then choose a pair to compare.
Read NASA’s introduction to the planets (opens in a new tab)
Compare Earth and Mars ✦Take that curiosity back to play
These games imagine their own worlds and physics. Try a rocket launch, build a settlement, or match colorful planets.
