Terrestrial planet
Earth
Our home: liquid water oceans, a protective magnetic field, and an atmosphere rich in nitrogen and oxygen make Earth uniquely welcoming—for now—to life as we know it.
- Avg. distance
- 1.00 AU
- Diameter
- 12,742 km
- Day length
- 24 hours
- Year length
- 365.25 days
- Moons
- 1 (the Moon)
Did you know?
Earth’s atmosphere scatters sunlight, giving daytime skies their blue hue.