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Earth

Planet · 150 million km from the Sun

Our home, and the only world known to have life and liquid water on its surface. Every other world in the game is measured against it.

▶ Land on EarthFree · plays in your browser
Gravity9.81 m/s²1× Earth measured
Size6,371 km radius
Mass5.97 × 10²⁴ kg
Temperature−89 °C to 57 °C (records)
AirN₂ (nitrogen) 78%, O₂ (oxygen) 21%, Ar (argon) 0.9%surface pressure 1.013 bar
One day24 hours
One year365.25 days

Walking on Earth

Landmarks in the game

Real maps, real physics. Earth, the Moon and Mars use real NASA surface maps. Gravity, temperature and air pressure are the real values, and they change how you move, what you hear and how long your suit lasts.

Play Earth

More of the Solar System

Mercury0.38× EarthVenus0.9× EarthMoon0.17× EarthMars0.38× EarthTitan0.14× Earth