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

Measuring atmospheric pressure with a bicycle pump, Measuring atmospheric p...

Measuring atmospheric pressure with a bicycle pump A bicycle pump with the washer reversed as represents can be used to calculate atmospheric pres- sure. The piston can be made

Neuro, A physician notes that in a patient there is impaired vibration and ...

A physician notes that in a patient there is impaired vibration and position sense, astereognosis, and ataxia. The physician noted loss of all sensations in some areas of the patie

What is cage culture?, QUESTION 1 (a) What are the different methods of...

QUESTION 1 (a) What are the different methods of aquaculture? (b) How do you differentiate between an oligotrophic pond and a eutrophic pond? (c) Briefly describe the lif

Nutrients, difference between micro and macro nutrients

difference between micro and macro nutrients

Nerve tissue, What is a feature of a nerve tissue?

What is a feature of a nerve tissue?

Sleeper Sharks, I need to fine the role and the importance of the Sleeper S...

I need to fine the role and the importance of the Sleeper Shark to an ecosystem.

Minerals, Minerals: Our bones and teeth contain large amounts of calc...

Minerals: Our bones and teeth contain large amounts of calcium. An adult has a total of about 1 kg of calcium and a baby has about 30g in their bones. So, during the period o

Explain nucleic acids, Normal 0 false false false EN-IN...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Perkins condensation, is perkin''s condensation possible in aliphatic aldeh...

is perkin''s condensation possible in aliphatic aldehyde?

Week4, Now imagine a human resource (HR) manager at a corporation, struggli...

Now imagine a human resource (HR) manager at a corporation, struggling with the concept of reading comprehension among employees in the workplace setting, wanted to try the new stu

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