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 brain or detector - mechanism of colour perception, Explain Brain o...

Explain Brain or Detector - Mechanism of Colour Perception The fibre identification of colour takes place in the brain. If any of these four pre-requisites are not present, the

Define macrophages - csf, Define Macrophages - CSF It is produced by m...

Define Macrophages - CSF It is produced by macrophages, fibroblasts and endothelial cells. They specifically stimulate precursors of macrophages. It also enhances effector res

Physico-chemical properties of pantothenic acid, Important physico-chemical...

Important physico-chemical properties of pantothenic acid are as follows: a) Pantothenic acid  is a pale yellow oily liquid that can only be crystallized as its sodium, potassi

Palaeontological evidence, Palaeontological Evidence: Palaeontology  ...

Palaeontological Evidence: Palaeontology  is a branch of  earth sciences, which is essentially a study of plant and animal life in the past geological periods, millions of ye

Enumerate about the forest and hill soils, Forest and hill soils The hi...

Forest and hill soils The hill and forest soils seem to be akin to soils developed in humid temperate regions, and have been found to include podsolised  soils, brown Earths an

Experiment to make soap, How to make soap Soap can be made from waste f...

How to make soap Soap can be made from waste fat. Secure some waste fats and melt in a dish. Strain the fat by several layers of cloth. Weigh the fat and then weigh out about o

Hopkins reading test, To provide an estimate of Mr. X's premorbid level of ...

To provide an estimate of Mr. X's premorbid level of intellectual functioning, the Hopkins Adult Reading Test was administered. He received a raw score of XX (standard score of 119

Sociology, what is the conflict perspective on cohabitation

what is the conflict perspective on cohabitation

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