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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.
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]
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.
The Big Bang Theory cast at Comic-Con 2009, from left: Kunal Nayyar, Simon Helberg, Kaley Cuoco, Jim Parsons, and Johnny Galecki. The American television sitcom franchise The Big Bang Theory, began with the multi-cam laugh track sitcom of the same name created and executive produced by Chuck Lorre and Bill Prady, which premiered on CBS on September 24, 2007, and ended on May 16, 2019, followed ...
Kaley Christine Cuoco (/ ˈ k w oʊ k oʊ / KWOH-koh; [1] born November 30, 1985) is an American actress. She is known for starring as Bridget Hennessy on the ABC sitcom 8 Simple Rules (2002–2005), Penny on the CBS sitcom The Big Bang Theory (2007–2019), and as the title character in the HBO Max comedic thriller The Flight Attendant (2020–2022). [2]
Jim Parsons Parsons in 2016 Born James Joseph Parsons (1973-03-24) March 24, 1973 (age 51) Houston, Texas, U.S. Education University of Houston (BA) University of San Diego (MFA) Occupations Actor producer Years active 1993–present Spouse Todd Spiewak (m. 2017) James Joseph Parsons (born March 24, 1973) is an American actor. From 2007 to 2019, Parsons played Sheldon Cooper in the CBS sitcom ...
Mayim Chaya Bialik (/ ˈ m aɪ ɪ m b i ˈ ɑː l ɪ k / MY-im bee-AH-lik; born December 12, 1975) is an American actress, author and former game show host.From 1991 to 1995, she played the title character of the NBC sitcom Blossom.
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.