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

Roundworms, how do they protecte themselves

how do they protecte themselves

Peripheral nervous system (pns), Peripheral nervous system (pns): Excep...

Peripheral nervous system (pns): Except for the  brain and the spinal cord,  the  rest of  the network  of  nerves and neurons is included in tha  peripheral nervous system, or

Introduction basic aspects of electrical , INTRODUCTION : You have studied...

INTRODUCTION : You have studied about the hazards of electricity in Unit 11 of Block 3. You have learnt that most of the electrical accidents like shock, fire, etc. occur often du

Stellar motion:, Stellar Motion: Stars are not fixed  in  the heavens. ...

Stellar Motion: Stars are not fixed  in  the heavens. They are moving within  the galaxies. The speed of a star moving toward or away from the Earth is indicated by a shift of

Cell theory, Ask question #Minimumwhat is that definition for cell theory? ...

Ask question #Minimumwhat is that definition for cell theory? 100 words accepted#

Name two places on earth where continental glaciers exist, Name 2 places on...

Name 2 places on earth where continental glaciers exist: Antarctica And Greenland are the two place where continental glaciers exist:

Define the lymphocytes, Define the Lymphocytes They are agranulocytes. ...

Define the Lymphocytes They are agranulocytes. The nucleus occupies approximately the entire cell. They vary in size from 6- 18 mm diameter; sometimes divide in small and large

Define hypothalamic control of anterior pituitary gland, Define Hypothalami...

Define Hypothalamic Control of Anterior Pituitary Gland The hypothalamus controls many of the automatic functions of the body. It secretes a series of different neurosecretory

Life cycle of the sun and plot it on an hr diagram, 1. What is the Solar Ne...

1. What is the Solar Neutrino problem, and what are the possible resolutions of it? Which of these resolutions is now believed to be the most likely explanation? 2.What is the m

Electric current and electrical energy, how do the currents produced by a 1...

how do the currents produced by a 1.5V flashlight cell and a 12 V car battery compare if the resistance is the same?

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