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Hot Big Bang Theory               Hello friends, welcome in the Cosmic Empire. Hot big bang has been described below. It is different from big bang theory. Actually this theory tells us what happened after big bang and how this well ordered universe created. So let’s start-                               After big bang the universe started expanding and its infinite temperature started coming in a lower point. This cooling of the universe affected most the quantum particles because we know the internal energy (static and kinetic energy) of the particle depends only on temperature. At high temperature the particles would be moving rapidly, being apart from each other because they had no effect of electromagnetic or nuclear force due to their speed but when the temperature got down, the speed of the particles would go slow and they would start dumping.                                 When the temperature was high the particle had high energy so when the particles
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The No Boundary Condition Of The Universe

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The No Boundary Condition Of The Universe                             Hello friends, in this blog we will discuss on the no boundary condition of the universe. At first, I would like to introduce you from the topic. No boundary condition means a limited space-time. Actually we have some theories that predict the starting of the universe. Let’s discuss on it-                           If we talk about the classical theory of gravity, we find that there are only two ways of starting of the universe, either with the starting of time or with infinite time. But if we talk about the quantum gravity , it shows another way of beginning of the universe, in which the time direction is on same footing as directions in space, it is possible for space-time to be finite in extent and yet to have no singularity that formed a boundary or edge. It is just like the surface of the earth which has only two dimensions and is finite in extent but it doesn’t have any boundary.       
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The Boundary Condition Of The Universe

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The Boundary Condition Of The Universe                       Welcome friends, we will describe here the boundary condition of the universe. In this theory, we can solve many our difficulties about the universe. We all know that the universe was completely in ordered state in its origin as we have described in arrow of time . But why should it be at complete ordered state? Why was it not in the state of complete disorder at all time? And why is the direction of time in which disorder increases the same as that in which the universe expands?                                It seems that the universe evolves according to well defined laws which we can be discovered and understood. Can’t we think that the similar rules will work at the beginning of the universe? We can’t predict the beginning of the universe because we know that all our laws break down at the point of singularity.                                 The universe could have started out in a very smoot
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