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Earth

Terra

Our pale blue marble — the only known world to harbor life. From the deepest oceans to the highest mountains, Earth is a dynamic, living planet with a protective magnetic field and life-sustaining atmosphere.

Drag the planet to rotate it

Diameter

12,756 km

Distance

149.6 million km

Orbital Period

365.25 days

Day Length

24 hours

Gravity

9.81 m/s²

Temperature

-89°C to 57°C

Moons

1

Discovery

Always known — our home planet

Atmosphere

Nitrogen (78%), oxygen (21%), argon (0.93%)

Exploration Missions

Apollo program (1969-1972)International Space Station (1998-present)James Webb Space Telescope (2021-present)

Interesting Facts

  • Earth is the only planet not named after a Greek or Roman god
  • About 71% of Earth's surface is water-covered
  • Earth's atmosphere protects life from harmful solar radiation
  • The planet's rotation is gradually slowing down
  • Earth's magnetic field reverses every 200,000 to 300,000 years

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