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- Oceans: Liquid water covers about 71% of the surface and stores huge amounts of heat.
- Continents: Moving tectonic plates slowly reshape the land, build mountains and trigger earthquakes.
- Polar ice: Ice sheets at the poles hold most of the planet's fresh water.
- Atmosphere: A blanket of nitrogen and oxygen gives us air to breathe and carries the weather.
- Life: Forests, grasslands and oceans support millions of species. Earth is the only known home of life.
3D planet · click a dot to explorePlanet 3 from the Sun
Atmosphere
What the air is made of
- 78% nitrogen
- 21% oxygen
- Water vapour, argon and carbon dioxide
Interior
Layers inside
- Solid iron inner core
- Liquid outer core that makes our magnetic field
- Mantle and thin crust of moving plates
Exploration
Missions
- Landsat satellites (1972–today)
- International Space Station
- Earth-observing missions such as Sentinel
Orbit
365.25 days
- Day: 24 hours
- Distance: 149.6 million km
- Moons: 1