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 cardiac compression - decreased cardiac output, Explain Cardiac Com...

Explain Cardiac Compression - Decreased Cardiac Output Rapid accumulation of fluid in the pericardial sac decreases ventricular distensibility leading to a decrease in cardiac

Life science, b) discuss briefly the scientific and technical achievements ...

b) discuss briefly the scientific and technical achievements of the bronze age

Science, #qpecifically, they want to find two separate locations: one where...

#qpecifically, they want to find two separate locations: one where shallow, large magnitude earthquakes are frequently found, and one where large steep volcanoes that have explosiv

Resuscitation - an explanation, Resuscitation - An Explanation A livi...

Resuscitation - An Explanation A living person needs the support of "ABC" mentioned below: Airway - clear airway Breathing - normal breathing Circulation - proper bl

Explain genetic theory of ageing, Explain Genetic Theory of ageing Rate...

Explain Genetic Theory of ageing Rate of ageing varies between species. The difference is in the genetic changes in the species. Thus it can be said that gradual impairment of

Forest cover, Forest cover: An analysis of satellite imageries and ai...

Forest cover: An analysis of satellite imageries and air photos indicates that in  1982 about  1 I%of land area in India was thick forests and the remaining 3% degraded or th

Explain rh blood grouping system, Explain Rh Blood Grouping System Some...

Explain Rh Blood Grouping System Some individuals also have a so called Rh antigen on the surface of their RBCs. Those who have it are called Rh (+) and those who do not have i

What are the properties of riboflavin, Properties Some of  the importan...

Properties Some of  the important physico-chemical  characteristics of riboflavin are as follows: a)  Riboflavin forms needle shaped orange crystals. b)  It is sparingl

Define the peripheral nervous system, Define the Peripheral Nervous System ...

Define the Peripheral Nervous System The peripheral nervous system or PNS, is a part of the nervous system and consists of the nerves and neurons that reside or extend outside

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