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

Crop for local and distance markets, Q. When are conditions right for harve...

Q. When are conditions right for harvesting a crop for local and distance markets? The conditions right for harvesting a crop for local markets: harvest in the early morning t

Single neurons and multilayer networks, 1. The output of a single neuron is...

1. The output of a single neuron is given by y = f(w 1 x 1 +w 2 x 2 +w 0 x 0 ), where x 1 and x 2 are inputs, x 0 has the constant value 1, w 0 , w 1 and w 2 are parameters

Objectives of accidents and first aid, Objectives After studying this u...

Objectives After studying this unit, you should be able to: 1.  explain the need for reporting lab accidents, 2.  state the accident reporting procedure, 3.  list the

Experiment of the buoyancy of water, Another way to observe the buoyancy of...

Another way to observe the buoyancy of water Push a large cork to the bottom of a pail of water. Notice the quantity of force you have to apply to hold the cork at the bottom.

Nonionising radiations, Nonionising Radiations : As stated earlier the rad...

Nonionising Radiations : As stated earlier the radiation hazards are not limited to ionising radiations from radioactive materials. There are a number of other radiation sources i

Pulse rate, how does pulse rate increase?

how does pulse rate increase?

A lamp chimney lift pump, A lamp chimney lift pump Use a straight-sided...

A lamp chimney lift pump Use a straight-sided lamp chimney as a pump cylinder. Fit a two-hole stopper into the chimney for a piston. If the stopper is a little small wrap some

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