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Status: Finished  |  Genre: Non-Fiction  |  House: Booksie Classic
aware about cosmology.

Submitted: November 29, 2011

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Submitted: November 29, 2011



The Big Bang theory is science's best explanation of how the universe was created. The theory asserts that our entire universe was created when a tiny (billions of times smaller than a proton), super-dense, super-hot mass exploded and began expanding very rapidly, eventually cooling and forming into the stars and galaxies with which we are familiar. This event is said to have happened approximately 15 billion years ago.Rather than expanding outward into some preexisting vacuum, the event of the Big Bang was space itself expanding - perhaps at speeds greater than light.The Big Bang theory is supported primarily by two major lines of evidence - first, the fact that all galaxies are rapidly moving away from each other (confirmed by Edwin Hubble in 1929), and secondly, the presence of the cosmic microwave background radiation, or the "echo" of the Big Bang.Since the late 1960s, the Big Bang theory has been the dominant explanation for the birth of our universe. physicists have not yet formulated a consistent theory that explains how gravity operates on extremely small scales (like those present at the instant of the Big Bang), cosmologists are unable to formulate theories as to what happened before about 10^-43 seconds after the Big Bang.Our universe may have originated as a pointlike entity with nearly-infinite density, or perhaps something else. Our mathematics, instruments, and scientific methodologies may need to be substantially improved before any further progress is made.

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