Big Bang Theory

macroscopical crash Theory It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that sample to find the answer. There are two types of models: Big crawl in and Steady State. However, through many observational evidences, the Big Bang theory can best explain the creation of the universe. The Big Bang model postulates that about 15 to 20 jillion years ago, the universe violently exploded into being, in an final result called the Big Bang.

Before the Big Bang, all of the matter and ray of our present universe were packed together in the primordial fireball--an extremely hot dense state from which the universe rapidly expanded. The Big Bang was the start of time and space. The matter and irradiation of that early stage rapidly expanded and cooled. Several gazillion years later, it condensed into galaxies. The universe has continued to expand, and the galaxies have continued pitiable away fr...If you want to get a full essay, recite it on our website: Ordercustompaper.com

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