How the Earth Was Formed
Earth, also known as the World or the Globe, is the third planet from the Sun (see – The making of Sun) and the only one in the Universe to harbor life. It is the densest planet in the Solar System and the largest of the four terrestrial planets.
The formation of the Earth and other planets stars took a long time to be be born. Early in our universe’s history, the Earth– and other planets – was formed from dust, pieces of rock and gas orbiting the Sun. The gravity of the Sun helped to flatten these left overs into a disk and start to fuse them together. This created the solid bodies which would later make up the planets. Over time these solid bodies would collide creating even bigger masses. It was in this method that the Earth was eventually formed.
Some of the materials in this mass were heavier than others. Fusion eventually created heavier elements such as carbon and iron. These elements were to compose a significant part of young Earth.The heavier metals fell to the center to become the Earth’s core. The rest of the materials became the mantle, crust and atmosphere.
So you must be thinking, what is the core, mantle, crust and atmosphere of the Earth?
The formation of the Earth was only the beginning and we still see the Earth changing year by years through erosion and plate tectonics. However in learning more about the formation of the Earth we are able to better understand what makes life possible on our planet.
So now we know that the Earth formed after the Sun. Do you know how the Sun was born? No, then this will surely be our next post –
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