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The Big Bang And The Steady State Model
Beginning of essay
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 essay
....hat galaxy observed will have a shift to the red end.
The faster the galaxy moves, the more shift it has. If the galaxy is moving
closer, the spectral line will show a blue shift. If the galaxy is not moving,
there is no shift at all. However, as astronomers observed, the more distance a
galaxy is located from Earth, the more redshift it shows on the spectrum. This
means the further a galaxy is, the faster it moves. Therefore, the universe is
expanding, and the Big Bang model seems more reason.... |
| Number of words: 1285 |
Approximate pages: 5 |
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