Ultimate fate of the universe out a theory that has since come to be called the Big Bang theory of the origin of the universe. In 1948, Fred Hoyle set out his opposing Steady State theory in which the universe continually expanded but remained statistically unchanged as new matter is constantly created. These two theories were active contenders until the 1965 discovery, by Arno Penzias and Robert Wilson, of the cosmic microwave background radiation, a fact that is a straightforward prediction of the Big Bang theory, and one that the original Steady State theory could not account for. As a result, the Big Bang theory
Pilot (The Big Bang Theory) Pilot (The Big Bang Theory) The pilot episode and series premiere of "The Big Bang Theory" originally aired on CBS in the United States on September 24, 2007. It was written by Chuck Lorre and Bill Prady, and directed by James Burrows. It marks the first appearance of all five main characters in the series, and also guest stars Vernée Watson as Althea and Brian Patrick Wade as Kurt. Leonard Hofstadter and Sheldon Cooper are two intelligent young physicists who have a combined IQ of 360 and claim to have "beautiful minds" that understand how the universe works. However, they