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Big Bang Theory
It is always a mystery about how the universe began, whether if and when it will end. ... There are two types of models: Big Bang 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 billion years ago, the universe violently exploded into being, in an event called the Big Bang. Before the Big Bang, all of the matter and radiation of our present universe were packed together in the primeval fireball—an extremely hot dense state from which the universe rapidly expanded.1 The Big Bang was the start of time and space. ... There are observational evidences found that can prove the Big Bang model is more reasonable than the Steady State model. ... Therefore, the universe is expanding, and the Big Bang model seems more reasonable than the Steady State model. The second observational evidence is the radiation produced by the Big Bang. The Big Bang model predicts that the universe should still be filled with a small remnant of radiation left over from the original violent explosion of the primeval fireball in the past. ... 3 And so it appears that astronomers have detected the fireball radiation that was produced by the Big Bang. ... Since the Big Bang model is the better model, the existence and the future of the universe can also be explained.
Approximate Word count = 1124
Approximate Pages = 4.5
(250 words per page double spaced)
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