EARTH.
Our only home. So far.
SCHEMATIC / NOT A SURFACE MAP
01 /
The measured world
- Mean radius
- 6,371 km
- Mean diameter
- 12,742 km
- Mass
- 5.972e+24 kg
- Gravity
- 9.807 m/s²
- Escape velocity
- 11.186 km/s
- Mean temperature
- 15 °C
- Rotation period
- 23.935 Earth hours
- Orbital period
- 365.256 Earth days
- Mean distance from Sun
- 1 AU
- Reported moons
- 1
Rounded reference values. Rotation is sidereal and differs from the solar day. Giant planets have no solid surface; temperature and gravity use atmospheric reference levels. Some moon counts are omitted because discoveries change them.
Compare with EarthA closer look
Earth is the only world known to support life.
Liquid water covers most of its surface.
Atmosphere
Mostly nitrogen and oxygen, with argon, carbon dioxide, and variable water vapor.
Discovery
Our home planet.