Discuss the different theories put forth to explain origin of the Earth. Which theory is considered as the best possible model?

The origin of the Earth has been a subject of scientific curiosity for centuries, leading to the development of several theories. These theories aim to explain how the Earth, as we know it today, came into existence, considering both its physical and structural characteristics. 

1. Nebular Hypothesis (Condensation Theory): Proposed by Immanuel Kant and Pierre-Simon Laplace in the 18th century, the Nebular Hypothesis suggests that the solar system, including the Earth, originated from a large, rotating cloud of gas and dust, known as a nebula. As this nebula contracted due to gravitational forces, it began to spin faster, forming a flat, disk-like shape. In the center of this disk, the Sun formed, while the outer regions cooled and condensed to form planets, including Earth. The Earth initially existed as a molten mass, which eventually ________ __________ __________ ____ _______ ____ _____ _______.
__________ ____ _____ _______ __________.
_______ _______ ___ _________ ______ ____ ____ __________ ____ ______ _________.
_________ __________ ___ _______ __________ ____ ______ ______ ___ __________.
________ __________ ____ _______ _______ _____ _________ _______ __________ ___ ________ ___.
___ ___ _____ _______ _________ ________ __________ ____ ____ _____.
______ _________ _________ ____ ___ _________ ___ ___ ________.
_______ ____ _________ _____ __________ ________ _____ _______ _______.
______ ____ __________ __________ ___.
___ _____ _______ ___ ____ ___ _________.
_____ ________ ____ _______ _______ ________ ____ _____ _______ ________ ____ _________.
______ _____ ____ ___ _______ ____ ________ ___.
___ ______ _______ _____ _______.
______ ________ __________ ____ ________ ________ ___ ____ ______ ______ _______.
___ ________ _____ _____ _____ ______ _____ ____ _________ _____ ________.
_____ ___ ________ __________ ______ _________ _____ _____ ____ _____ _______.
_________ __________ _______ ______ _____ ___ ________ _______ _______ ___ ____ _________.
________ _______ __________ _____ ______ ____ __________.
_________ _______ ___ ____ ____ _________ ________ __________ __________ ______ __________.
_________ __________ _______ _____ _________ ___ _________.
_____ _____ _______ ________ __________ _________ __________ ___ _______ ____ __________.
_______ ________ ____ ____ _________ ____ _________ _________ ______.
______ ______ __________ _______ ______ ____ ________ _____ _____ ____.
__________ _______ ______ ____ _________ _____ _________ ____ _______ _____.
________ ____ ______ _________ _________ _______ _____ ____ ___ _________ ____.
____ __________ _____ __________ ____ ____ ___.
_____ __________ _____ _________ _______ __________ _________ ________.
_____ ______ ____ _______ ___.
_______ ___ _____ ___ _____ __________ ______ ________ _________ ___.
________ _______ _________ ________ _________ __________ _________ _______ _______ __________ _________.
_______ __________ _____ _________ _________ ___ ___ __________ _________ ___ ____ _________.
________ ____ _________ _____ __________.
__________ ______ _______ ________ ______ __________.
______ _________ _____ __________ __________ _____ ____ ________ _______ _________ ________.
_______ _______ ____ _________ _________ __________ __________ ___.
_______ ____ ______ ________ ___ _________ __________ _________.
___ ____ ___ _________ _______ ___ __________ ___ _______ ___ _____.
______ ___ _______ _______ _______ ____ ____ ______ ________ _____ ____ _______.
_________ _______ ___ _________ _____ _____ ________ ___.
____ _______ ____ __________ ______ _______ _________ ___.
______ _____ _______ ____ ______ __________ _______ _______.
_______ _____ _________ ___ ____ ___ ___ ______ ______.
_________ ____ _________ _______ ________ _____ _________ __________ ________ _______ __________ ____.
______ ______ _____ ___ __________ _____ _________ _______ ____ _____ ___ _____.
_____ _____ _________ _______ __________ _________ _____ ____ ________ ____ ________ __________.
_____ ________ ________ ______ ___ _______.
__________ __________ _______ _________ _______ _________.
_________ _______ _____ _____ _________.
_______ _____ ________ _______ _____.
_______ ___ ___ _________ ________ __________ ______ _______.
______ ___ __________ _____ ________ ___ ______.
__________ _____ ______ _________ ______ _____ ______ _____.
___ ______ ______ ___ ________ _________ _____ ____ _______ _________.
_________ _____ _________ _______ _______ ________.
__________ _________ ________ ____ __________ _____ ________ ______ ____ _____ __________.
______ ___ _______ _______ _________ ___ ___ _____ _________ ____ ______ ________.
_______ __________ ______ ______ _______ __________ ____ ______ _____ _____ ________.
________ ________ _________ __________ _________.
____ _______ __________ _____ ________ ________ ___ _________ ___ _______.
_________ _________ _________ ____ ________ ____ _______ ____.
____ __________ ______ ____ ____ _______.
_____ _______ ___ _________ _______ ____ _______.
___ _____ _______ ______ ____.
____ _________ _____ ______ ____ _____ ________ _____ _________ ________.
______ _________ ______ _____ _____.
______ ______ ___ ______ _______ _________ _____.
_____ ________ ______ _______ ____ _____ ________ _______.
____ ______ _________ ________ _______ ________ ________ ____ _______ _________.
_________ ____ _______ ____ _________ _______.
____ ______ _______ __________ _____.
___ _________ _____ ___ _________ ____ __________ ___ _______ _______ ________.
_____ ____ __________ _______ __________ _________ ___ __________ _____.
______ _____ _______ _______ __________ ___ __________ ______ ________ ___ ________.
___ ___ ________ __________ __________ __________ _________ _________.
_______ _______ ______ _______ ___ ____ _____ _______ ________ _________ _________ ______.
__________ ________ _____ ___ ___ __________ ________ ___.
____ ______ _____ __________ ______ _______ ___ ___.
___ __________ ____ ___ _______ ________.
Get Full Answer on WhatsApp