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
The Big Bang Theory (season 1) scripts and provides dialogue, math equations and diagrams used as props. Clips from the season finale, "The Tangerine Factor", gained popularity on the Chinese video-sharing website Tudou because of Sheldon's inaccurate Mandarin. <onlyinclude> </onlyinclude> "The Big Bang Theory" initially received mixed reviews, receiving 52% "rotten" score on review aggregator Rotten Tomatoes, based on 23 reviews, with the critics consensus reading ""The Big Bang Theory" brings a new class of character to mainstream television, but much of the comedy feels formulaic and stiff." It also received a 57-point score on review aggregator Metacritic, indicating "mixed or average reviews", based on 23