The Earth, at the beginning, was very different from what it is now.belief of scientists is that our planet earth was formed some 4.5 billion years ago. It did not have any atmosphere or water bodies. system were all formed due to the contraction of solar nebula.The common The sun, the planets and their satellites in our solar huge mass of spiral cloud made up of dust particles and various types of hot gases.
The constituent elements of the Solar nebula, from which our solar system is said to have formed, was a solar nebula were Solar nebula mainly hydrogen and helium and some other heavier elements During the to rotate very fast.
As a result of cooling, shrinking and rapid rotation, contraction process, its temperature came down and it began the outer part of the began its contraction about 4.6 billion years ago.cloud got detached from the main body in the form of rings.
