The Earth details.
Earth is the third planet from the Sun in our solar system. It is the only known celestial body to support life as we know it. Earth is often referred to as the "Blue Planet" due to the abundance of water on its surface, which gives it a characteristic blue appearance when seen from space. Here are some key details about Earth: 1 .Size and Composition: Earth has a diameter of approximately 12,742 kilometers (7,918 miles) and a circumference of about 40,075 kilometers (24,901 miles). It is a rocky planet with a solid outer layer known as the crust, a molten layer called the mantle, and a dense metallic core 2 .Atmosphere: Earth has a unique atmosphere composed mainly of nitrogen (78%) and oxygen (21%). It also contains traces of other gases such as carbon dioxide, water vapor, and argon. The atmosphere plays a vital role in protecting and sustaining life on Earth. 3. Hydrosphere: Earth is known for its vast bodies of water, including oceans, seas, lakes, rivers, and groundwa...