Big Bang is a past horizon, though in practice our view is also limited by the opacity of the universe at early times. So our view cannot extend further backward in time, though the horizon recedes in space. If the expansion of the universe continues to accelerate, there is a future horizon as well. English astronomer Fred Hoyle is credited with coining the term "Big Bang" during a 1949 BBC radio broadcast, saying: "These theories were based on the hypothesis that all the matter in the universe was created in one big bang at a particular time in the remote past." It
The Big Bang Theory (season 2) The Big Bang Theory (season 2) The second season of the American sitcom "The Big Bang Theory" was originally aired on CBS from September 22, 2008, to May 11, 2009, over 23 episodes. The Complete Season DVD was released September 15, 2009, and a Blu-ray version was reissued on July 10, 2012, with remastered surround sound audio, whereas the DVD version only had stereo. Season two starts immediately after the end of season one with Leonard and Penny's date. Jim Parsons submitted the episode "The Bath Item Gift Hypothesis" for consideration due to his nomination for the Primetime Emmy Award