One fact: Earth is the only habitable planet in our solar system
Diameter: ~ 12742 km
Moons: Moon
Type: Terrestrial planet
Axial tilt: ~ 23 degrees
Day: 24 hours
Full orbit: 365 Earth days
Average surface temperature: 15° Celsius
Name Origin (English): Unlike other planets deriving from Latin origin,
Earth is from Germanic Origin meaning "the ground", which is a native English word since English is a
Germanic language.
Origin: Formed about 4.5 billion years ago from gas and dust particles.
Atmosphere: Composed of 78% nitrogen, 21% oxygen, 1% argon, and 0.04% carbon dioxide.
