It is always a mystery about how the universe bega Analysis Essay
Essay Type
n, whetherif and when it will end. Astronomers construct hypotheses calledcosmological models that try to find the answer. There are twotypes of models: Big Bang and Steady State. However, throughmany observational evidences, the Big Bang theory can bestexplain the creation of the universe. The Big Bang model postulates that about 15 to 20 billionyears ago,…