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The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. [1] The notion of an expanding universe was first scientifically originated by physicist Alexander Friedmann in 1922 with the mathematical derivation of the Friedmann equations. [2][3][4][5]
The history of the Big Bang theory began with the Big Bang 's development from observations and theoretical considerations. Much of the theoretical work in cosmology now involves extensions and refinements to the basic Big Bang model. The theory itself was originally formalised by Father Georges Lemaître in 1927. [1]
Lemaître's theory appeared for the first time in an article for the general reader on science and technology subjects in the December 1932 issue of Popular Science. [25] Lemaître's theory became better known as the "Big Bang theory," a picturesque term playfully coined during a 1949 BBC radio broadcast by the astronomer Fred Hoyle, [26] [27 ...
The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady, both of whom served as executive producers and head writers on the series, along with Steven Molaro. It aired on CBS from September 24, 2007, to May 16, 2019, running for 12 seasons and 279 episodes.
Gamow's work led the development of the hot "big bang" theory of the expanding universe. He was the earliest to employ Alexander Friedmann's and Georges Lemaître's non-static solutions of Einstein's gravitational equations describing a universe of uniform matter density and constant spatial curvature. Gamow's crucial advance would provide a ...
Leonard Leakey Hofstadter, [2][3] Ph.D., is a fictional character portrayed by Johnny Galecki and one of the main protagonists in the CBS sitcom, The Big Bang Theory. Leonard is an experimental physicist who shares an apartment with his colleague and best friend, Dr. Sheldon Cooper. For his portrayal, Galecki was nominated for a Primetime Emmy ...
t. e. In physical cosmology, the Alpher–Bethe–Gamow paper, or αβγ paper, was created by Ralph Alpher, then a physics PhD student, his advisor George Gamow, and Hans Bethe. The work, which would become the subject of Alpher's PhD dissertation, argued that the Big Bang would create hydrogen, helium and heavier elements in the correct ...
Robert Woodrow Wilson was born on January 10, 1936, in Houston, Texas. He graduated from Lamar High School in River Oaks, in Houston, [5] and studied as an undergraduate at Rice University, also in Houston, where he was inducted into the Phi Beta Kappa society. He then earned a PhD in physics at California Institute of Technology.
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