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Stars and the Universe
What is the Universe?
Universe is the name given to everything that exists.
This includes moons, planets, stars, galaxies
and the corner shop down the road.
There is an awful lot of stuff in the Universe.
Where did it all come from and where is it all going?
short answer is that no one
In search of the answer to this question, some people
turn to religion or philosophy and some people turn to science.
science have changed as time
New ideas and advances in technology have given rise to new theories.
Two of these theories are called the big bang and the steady-state.
Some scientists used
to believe in the steady-state
This said that the Universe appears to stay the same as time goes by.
The discovery in the 1920's that the Universe is expanding
marked a decline in the popularity of the steady-state theory.
Some scientists proposed that matter is created in the
expanding Universe so that the Universe still appears to
stay the same and the overall density remains the same.
Most scientists dropped the idea
of the steady-state theory in favour of the big bang.
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