Physical universe, Science

Assignment Help:

Physical universe:

The universe is vast. The Earth we live on appears to be just  a speck of dust circling a small star in a remote corner of  an obscure galaxy. If  we are a speck in the immense space, we also occupy dnly an instant in the expanse of  time. The universe is also very old. We now know  that  it  is about fifteen or twenty billion years OM, while we, the human beings have been around for only two million years or so. This vast and ancient universe is populated with a variety of objects. Let us now understand what objects constitute the universe and how they are distributed. In other words, what the physical structure of  the universe is. In doing so, we will not go into its chemical composition or aoy other details. However, before we embark on this venture, we will give you an idea of the cosmic distances, so that you're  able to appreciate what follows.  


Related Discussions:- Physical universe

Explain the mechanism of phagocytosis, Explain the Mechanism of Phagocytosi...

Explain the Mechanism of Phagocytosis In phagocytosis, the organism is entrapped into vacuoles known as "Phagosome". The cytoplasmic granules, organelles or lysosomes fuse with

The physical property used in mineral identification, The physical property...

The physical property used in mineral identification for the way a minerals surface reflects light is known as  luster

Physical Science, If more of substance b dissolves b has a higher what than...

If more of substance b dissolves b has a higher what than substance a

Explain control of our heart through nerves, Explain Control of Our Heart t...

Explain Control of Our Heart through Nerves When we exercise in the mornings, the heart beats faster and when we sleep at night, it slows down. Have you ever wondered how does

.volcanism, what the different types of volcanoes are?

what the different types of volcanoes are?

Decline of the bronze age civilisation, Decline of the Bronze Age Civilisat...

Decline of the Bronze Age Civilisation: We find that the great developments in production methods that came with the rise of early cities lasted only f6r a few centuries. The

Explain the blood urea nitrogen (bun), Explain the Blood Urea Nitrogen (BUN...

Explain the Blood Urea Nitrogen (BUN) It is a test that measures the amount of urea nitrogen in the blood. Urea is formed in the liver as an end product of protein metabolism a

Principle colorimetric method for estimation of phosphorous, Define Princip...

Define Principle Colorimetric Method for the Estimation of Phosphorous? The proteins in the blood are precipitated with the help of trichloroacetic acid. The protein free filtr

Explain extrasystole and compensatory pause, Explain Extrasystole and Compe...

Explain Extrasystole and Compensatory Pause During the relaxation period, cardiac muscle is in the relative refractory period i.e. sleeping but only just. If a sufficiently st

Explain the transport properties of loop of henle, Explain the Transport pr...

Explain the Transport properties of Loop of Henle The loop of Henle, as shown in Figure, has a descending limb and an ascending limb. As the filtrate moves down the loop of Hen

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