The Earth is the third planet from the Sun, and the only astronomical object known to harbour life. Approximately 29.2% of Earth’s surface is land, including continents and islands. Its gravity helps it to maintain a stable temperature and moisture level. Its varying climatic conditions make it a desirable place to live. Learn more about the Earth and its geological history below. Here’s a quick guide to the planet’s history.


The Earth’s rocky composition is caused by its tilt. The Earth is slightly tilted at a 23-degree angle, so sunlight falls unevenly over most of the planet. There are three major climatic zones on the Earth, starting from 66 degrees latitude north and south to 23 degrees latitude south. In the middle of the planet are tropical regions. These are the areas that experience hot and cold weather. During a volcanic eruption, these layers are ruptured and molten rock emerges from the mantle.

The interior of the earth is composed of four main components: the core, the mantle, the crust, and the inner core. The crust is the largest component of the earth’s structure. The mantle is a solid mass that contains water and oxygen. The inner core is a gas filled with hydrogen and helium. This gas gives the planet the energy it needs to function. This gas is called the atmosphere. However, the layers are connected by a series of processes that can alter the structure of the planet.

The upper layer of the Earth, containing the thin brittle crust, is known as the lithosphere. The lithosphere is relatively rigid, but it is broken into tectonic plates that move slowly across the globe. Magnesium, the element number 12 on the periodic table, burns with white light and is the eighth most abundant element in the Earth’s crust. There are several magnetic fields on Earth created by electric charges.

The interior of the earth is divided into four separate systems, each with its own unique characteristics. Its four main components are the crust, the mantle, and the ocean. The four spheres each contain a different component. Among these, the crust is the outermost region. The surface of the earth is made up of the layers of the mantle and the uppermost layer, the magnetosphere. The magnetic field of the earth determines the behavior of electrically charged particles coming from the Sun.

The outermost layer of the Earth is mostly made of rock, with several layers of solid material. The outer core is hot and contains the oceans. The inner core is solid and has no liquid inside. It is extremely hot. The pressure from the inner core is so great that it is solid. This makes it difficult to see the planet’s interior from space. The layers are separated by the oceans. There are also different types of rocks that make up the crust of the earth.