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The Cosmic Empire provides you a huge knowledge on astrophysics and quantum physics. Here we discuss on theories and fundamental rules of Physics.

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The arrow of Time

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                                                   The arrow of Time                          Hello friend, have you ever thought why we are able to remember our past only. Why the time goes to end? We have some scientific theories to understand this system.               In the universe, there are at least three arrows of time- 1. Thermodynamic arrow of time. 2. Psychological arrow of time. 3. Cosmological arrow of time. Thermodynamic arrow of time: It is something related to the second law of thermodynamics which says that the entropy of a system always increases. And there present many disordered states than ordered once. Suppose you have a jigsaw in a box. There is only one certain ordered state o...
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Gravitational Force

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Gravitational Force                             Hello friends, in this blog you will get to know about gravitational force. This force acts among all particles of the universe. Its range is infinite. Gravitational force plays a very important role in wide events of the universe like formation of stars and galaxies and their development etc.                            As you know there are four kinds of forces in our nature- Gravitational force, electromagnetic force, weak nuclear force and strong nuclear force. This is the universal force. Every particle of nature feels the gravitational force. It is the weakest force of nature of the nature but it affects the things which are far away. One more interesting thing about gravitational force is that it is always attractive. ...
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Lifecycle of A Star

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Lifecycle of A Star               Stars are such astronomical bodies which spontaneously emits light and heat. There is 70% Hydrogen, 28% Helium, 1.5% Carbon and 0.5% Neon and Nitrogen in a star. We can classify stars by their colours, size and brightness. Generally, there are three colours of stars- red white and blue. Colours show the temperature of a star. White colour shows a high temperature while the blue colour shows a high temperature of a star. Origin of a Protostar: The life of a star starts in galaxy by condensation of Hydrogen and Helium. This gas transforms in cloud which have temperature of about -173 0 C. As these clouds become greater, their gravity becomes higher. When the size the size of a cloud becomes high enough, it stars contract itself. This body is called a protostar which does not emits light. Formation of a Star from Protostar: Protostar is very dense body which continues contracting because of hig...
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