Big bang theory Book Report

This essay has a total of 510 words and 3 pages.

big bang theory

Big Bang Theory


We certainly know that our universe exists, however, this knowledge alone has not
satisfied mankind's quest for further understanding. Our curiosity has led us to question
our place in this universe and furthermore, the place of the universe itself. Throughout
time we have asked ourselves these questions: How did our universe begin? How old is our
universe? How did matter come to exist? Obviously, these are not simple questions and
throughout our brief history on this planet much time and effort has been spent looking
for some clue. Yet, after all this energy has been expended, much of what we know is still
only speculation. Yet in 1927 a man by the name of Georges Lemaitre from Belgium proposed
that the universe began with a bang. "He proposed that a primeval atom exploded and that
is how the universe formed itself. His proposal came after observing the red shift in
distant nebulas by astronomers to a model of the universe based on relativity." Before I
was enrolled in Survey of Astronomy I wasn't sure what to believe. But after sitting
through the class I started to realize that all the pieces are starting to fit together
like, why the galaxies are increasing in velocity away from us and also explaining the
cosmic background radiation.

About 15 billion years ago a tremendous explosion started the expansion of the universe.
This explosion is known as the Big Bang. At the point of this event all of the matter and
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