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Why The Big Bang Produced Something Rather Than Nothing?
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'This note changes our points of view as the previous one, it shows us as preconceptions the already known as theory as the Big-Bang theory and we people call it the great explosion that "moment" in which everything begins, and as its name indicates a great explosion, uncertain data, because the explosions are presented in an origin located in space time, and when the Big-Bang occurred, if it can be said when, there was not what we know today as space time, that is why it is believed that at the beginning of the whole and that the Big-Bang itself is not an expansion of the universe, but an expansion in the universe itself, but under such circumstances, due to the known evidence, it is logical to ask ourselves where the matter was before the Big Bang, a contradictory question, because in order to go back in time and place ourselves in the moment where the expansion begins and taken as a precept a previous necessary existence of the matter, we understand that in such remote times things were not as we conceive them today, although it is difficult to imagine, for the moment it is the theoretical model that best fits many observational evidences, such as the expansion of the Universe or the cosmic microwave background radiation.
Answering the question of how can something come out of nowhere? Since before the Big-Bang event there was nothing, we have to understand that as we approach from now until the event, we realize that even the very concept of nothing is distorted, besides that according to quantum physics it is possible to obtain something from nothing thanks to Heisenberg's Uncertainty Principle, in which what is not or exists can be and exist simultaneously while it does not. If we extrapolate the physics we know at that moment, it follows that the density and temperature in it must have been infinite, which doesn't seem very possible, so we believe that the laws of physics we know are no longer valid very close to the Big Bang. That's why the people in charge of imagining it are the creative department of physics: the theorists. And the theorists tell us something that seems very unintuitive: even the vacuum (nothingness) has an energy, and it is the fluctuations - or small random changes - in this energy that very probably ended up generating matter.