Mysteries of the Giant Vacuum That Is Space

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Submitted By gigi155
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Ryerson University

Mysteries of the Giant Vacuum that is Space

George Sakvarelidze

March 5th, 2013 The universe we can see and touch is only a tiny fraction of the known universe that exists. This small portion of known objects such as protons and other baryonic matter only make up about four percent of the known universe.1 So this leaves a huge chunk of over ninety percent unaccounted for. What is this mystery matter that is so crucial to the fabric of the Universe but at the same time is eluding the general public? The mystery ingredients are: Dark Energy and Dark Matter. To be more exact dark matter makes up 23% of our Universe and dark energy makes up 73%.1 Since the beginning of time people have always wondered what is out there in the universe and how it came to be. As the years went by and as technology evolved, astronomers started to answer some of these questions but only to bring up more new questions to be answered. When astronomers first figured out that the universe was expanding, they thought it was in a state of deceleration after it had been expanding for billions of years from the Big Bang. However to their disbelief, when they looked at very faraway supernovae and galaxies, they noticed that the universe was not decelerating but in fact accelerating.1 So this discovery led to the major question of what is the driving force behind the acceleration of the universe. There are many theories out there that try to predict the cause of the acceleration but the one that is most widely accepted is the theory of dark energy. The first person to actually come across dark energy was in fact Einstein. He didn’t even know at the time when he figured this out that it was dark energy. At the time he called it the cosmological principle and he used it in his equation for General Relativity. It was…...

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