Earth – Our Unique and Precious Home
Earth is the only known planet in the universe that supports life. It is a vibrant world filled with water, air, land, and an incredible variety of life forms. From vast oceans to towering mountains, from dense forests to bustling cities, Earth is as dynamic as it is beautiful. A Planet Full of Life What makes Earth so special is its ability to support life. It has the perfect distance from the Sun, known as the "Goldilocks zone", where temperatures are just right — not too hot, not too cold. The presence of liquid water, oxygen-rich atmosphere, and a magnetic field to protect from harmful solar radiation makes life possible here. No other planet, as far as we know, offers these perfect conditions. Earth's Structure Earth is made up of several layers: Crust: The outermost layer where we live. It includes continents and ocean floors. Mantle: A thick, semi-solid layer that moves slowly and causes earthquakes and volcanic activity. Core: The inner part made mostly of iron...