How did the earth form and become spherical, Science

Assignment Help:

How did the Earth form and become spherical?

The Earth's Shape : About five billion years ago the solar system was forming from gases and dust floating in space. Gravity, the force which pulls all objects in the universe together, caused some of these gases and dust to come together to form the sun and all the other planets. The Earth formed first as a hot ball of lava from the coalescence of these gases and the impacts of meteors. The animation below gives a visual representation of this process, known as the Nebular Hypothesis. The Nebular Hypothesis, which is the view accepted by most scientists today, is fueled by gravity and tends to form spherical bodies which rotate.

The Earth is not a perfect mathematical sphere, so we refer to it as a spheroid. The exact term which describes the shape of the Earth is oblate spheroid, meaning that it is a slightly flattened, imperfect sphere.

In summary, the Earth formed about 4.5 to 5 billion years ago when the solar system was coming together from space debris and gases. The general name for gravitational forces causing planets and stars to form is coalescence, and specifically, the Nebular Hypothesis is the scientific term used to describe the process which forms planets and stars.


Related Discussions:- How did the earth form and become spherical

Development in geometry and astronomy in iron age, Geometry and Astronomy: ...

Geometry and Astronomy: The need to portray an ideal world  of  perfect forms and proportions led  to the development of geometry by Pythagoras (583-500 B.C.) and Hippocrates o

Origins of science, Origins of Science: We have seen that the primitive...

Origins of Science: We have seen that the primitive human beings acquired different kinds of  knowledge from the use of implements  and tools, from cooking on fire. from huntin

Person who studies fossils, What is the professional name for the person wh...

What is the professional name for the person who studies fossils? Paleontologist

Anthropolgy, Why is the idea of modern human "races" is not considered a va...

Why is the idea of modern human "races" is not considered a valid biological concept, and why is the idea of clinal variation more acceptable to biologists?

Human evolution, Human Evolution: Charles Darwin in  the 'Origin of S...

Human Evolution: Charles Darwin in  the 'Origin of Species' gave a lilechanism for the evolution of  plants and animals in general, even  though he had speculated about the o

Physico-chemical properties of cyanocobalamin, The physico-chemical propert...

The physico-chemical properties of cyanocobalamin are as follows: a)  The vitamin can be obtained in a crystalline  form. b)  It  is freely soluble  in water. c)  Crystal

Digestive system, size and length of val vulae connenvitis

size and length of val vulae connenvitis

Topography, how do you find the contour interval

how do you find the contour interval

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd