Over the years there have been many and different reports concerning how the Earth was made. Planet Earth is considered to be 4.5 billion years old. Scientists state that rainfall formed the oceans that factually lasted for millions of years and that about seven hundred million years ago, the planet was entirely covered by mile thick ice (Rymer, 4). Planet earth is unique weighed against other different planets. It is a massive ball of rock and it’s considered a refuge. It is 1/3 land and 2/3 water and it a home for all living things in the entire universe. Nonetheless, the planet has experienced extreme catastrophes and environments.
Planet earth consists of supercontinents and oceans; these continents have been relentlessly altering, moving and repositioning themselves over the years. Due to this, they have affected the ecology and the typical weather of the earth. Sporadically these continents come together forming huge globe-spanning supercontinents. For instance Pangaea formed roughly three hundred million years ago. It is the most current supercontinent and the most famous in the earth today. Pangaea is mostly remembered compared to other supercontinents because it's the latest supercontinent, and also because its formation overlie with the origin of the dinosaurs.
In 4.5 billion years, planet earth has been a changing world. In the past two hundred years, scientists have come up with discoveries that have made them tell an incredible story regarding how this planet was made (Cloetingh, 4). Scientists state that at approximately 200 million years later, there was existence of life (Kerrod, 28). The planet is considered a habitat for billions of different kinds of animals and plants. In the entire universe Earth is the only proven place where there is life. All the living things that have been subsisting in this planet have however utterly altered its atmosphere. The Earth is alleged to have been made through the use of left-over gas that is from nebula.
Scientists refer this planet as being terrestrial, meaning that it is formed from solid rock. It is also larger than other different terrestrial planets; its shape is oblate spheroid, generally meaning that this planet is a sphere although it protuberances in the middle region (DeRosa, 108). It also has a crust which is an exterior solid layer of rock and all things living on earth are on the top of this layer (Murphy, 6). Today, planet earth has considerably revolutionized in that its atmosphere at present has little semblance to the early atmosphere; it has been changed by the bacteria, plants, and other life species that have subsisted over the years.
Work cited
Hazel Rymer. Earth's Engine. New York. Open University Worldwide Ltd, 2003
Patricia J. Murphy. Why Is Earth Round? New York. The Rosen Publishing Group, 2004
Tom DeRosa. The Earth: Teacher/Student Book: Its Structure and Its Changes. US. New Leaf
Publishing Group, 2010
Sierd Cloetingh. New Frontiers in Integrated Solid Earth Sciences. US. Springer, 2009
Robin Kerrod. Planet Earth. New York. Lerner Publications, 2000
