|In astronomy mythology, Her Greek name was Geia. Earth was the mother of the mountains, valleys, streams and all other land formations. She was married to Uranus.
How big is the Earth? The Earth is the biggest of all the terrestrial planets. A terrestrial planet is a dense planet found in the inner Solar System.
Our planet is an oasis of life in an otherwise desolate universe. The Earth's temperature, weather, atmosphere and many other factors are just right to keep us alive.
The Earth has one moon. Its name is Luna.