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

Human body, which two body systems control movement of digestive organs?

which two body systems control movement of digestive organs?

Electricity, why do we get shock when we touch an open wire?

why do we get shock when we touch an open wire?

What a molecule difference between molecules and compounds, What a molecule...

What a molecule is, and the difference between molecules and compounds? A molecule is made up of two or more atoms combined chemically. The atoms can be of the same element, as

Explain emphysema - histotoxic hypoxia, Explain Emphysema - Histotoxic Hypo...

Explain Emphysema - Histotoxic Hypoxia Emphysema is a chronic respiratory disease where there is an over- inflation of the air sacs (alveoli) in the lungs, causing a decrease i

Animal diversity, affinities of ctenophora with platyhelminthes

affinities of ctenophora with platyhelminthes

How does the study of personality shed light, How does the study of persona...

How does the study of personality shed light onto behavior change for you? Answer: In general, personality means as the sums of the characteristics or traits of the person; to ot

Explain the radioactive red blood cells, Explain the Radioactive Red Blood ...

Explain the Radioactive Red Blood Cells In order to make red blood cells radioactive, tagging of red blood cells with radioactive chromium ( 51 cr) is done. A small quantity of

Explain the secondary active transport, Explain the Secondary Active Transp...

Explain the Secondary Active Transport In secondary active transport, there is no direct coupling of ATP; instead the electrochemical potential difference created by pumping io

Energy, what is potential energy

what is potential energy

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