Earth needs no introduction.
Earth is really old. It’s 4.5 billion years old and counting…
Earth is a dynamic place always in flux. It’s changing every day naturally and through human intervention.
And ever since the crew of Apollo 17 first photographed it 1972, it’s been through more change.
Straight-up stats of Earth
Radius: 6,371 km
Surface Area: 510,000,000 km2
Day Length: 23h 56min 4sec
Moons: 1 (The Moon)
Orbit period: 365.26 days
Core temperature: 5,500°C
Surface Temperature: -88 to 58°C
Water covers 70% of the Earth (only 3% is fresh water and 97% is salted)
-Crust: 0-35 km, 35-60 km, Mantle: 60-2,890