Big Bang Theory
Beginning of paper
It is always a mystery about how the universe began, whether if and
when it will end. Astronomers construct hypotheses called cosmological
models that try to find the answer. There are two types of models: Big
Bang and Steady State. However, through many observational evidences, the
Big Bang th ....
Middle of paper
.... Today the universe
is still expanding, as astronomers have observed.
The Steady State model says that the universe does not evolve or
change in time. There was no beginning in the past, nor will there be
change in the future. This model assumes the perfect cosmological
principle. This principle says that the universe is the same everywhere
on the large scale, at all times.2 It maintains the same average density
of matter forever.
There are observational evidences found that ....
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Word count: 1285
Page count: 5 (approximately 250 words per page)
