100 years ago, Albert Einstein published three papers that rocked the world. These papers proved the existence of the atom, introduced the theory of relativity, and described quantum mechanics. Pretty good debut for a 26 year old scientist, huh? His equations for relativity indicated that the universe was expanding. This bothered him, because if it was expanding, it must have had a beginning and a beginner. Since neither of these appealed to him, Einstein introduced a 'fudge factor' that ensured a 'steady state' universe, one that had no beginning or end. But in 1929, Edwin Hubble showed that the furthest galaxies were fleeing away from each other, just as the Big Bang model predicted. So in 1931, Einstein embraced what would later be known as the Big Bang theory, saying, "This is the most beautiful and satisfactory explanation of creation to which I have ever listened....
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