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

Floating in different liquids, Floating in different liquids Obtain a t...

Floating in different liquids Obtain a tall, slender glass jar, test tube or bottle, and the following liquids: mercury, carbon tetrachloride, water and kerosene. You will also

Atomic spectroscopy, Diagrammatically explain about the complementary natur...

Diagrammatically explain about the complementary nature of atomic absorption spectrophotometer and atomic emission spectrometry.n..

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

Define the type of macrophages, Define the Type of Macrophages Macropha...

Define the Type of Macrophages Macrophages are of two types: a) Fixed types, and b) Wandering types

Kangaroo, i wants to know about kangaroo because my teacher give me an assi...

i wants to know about kangaroo because my teacher give me an assignment so for that i wants to know everything about kangaroo

Phlebotomy, #question how can i easily remember the order of draw and the c...

#question how can i easily remember the order of draw and the colors of the tubes and their purpose? ..

Fine-grained black limestone, Give a rock name for sample. Note that the co...

Give a rock name for sample. Note that the colour of this type of rock varies greatly, depending on the abundance of organic matter and iron oxides. Samples are both carbonate rock

Making a ''burp'' bottle, Making a 'burp' bottle Fit a bottle or flask ...

Making a 'burp' bottle Fit a bottle or flask with a single-hole stopper which carries a funnel. Put the stopper firmly in the bottle and then pour water into the funnel. The bo

Immune mechanisms - physiology of growth and development, Explain the Immun...

Explain the Immune mechanisms - Physiology of Growth and Development The immune system starts functioning in a baby through the inherited antibody (Ab) of the mother. But these

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