Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4.5 billion years ago.
Radius: 6,371 km
Land area: 148.9 million km²
Mass: 5.972 × 10^24 kg
Distance from Sun: 149.6 million km
Longitude of ascending node: −11.26064° to J2000 ecliptic
Axial tilt: 23.4392811°
