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 4) only on the women, and in the process has made Penny a much more well-rounded character rather than just a foil for the nerds". Todd VanDerWerff of "The A.V. Club" wrote that "Jim Parsons and Kaley Cuoco's interplay remains the show's secret weapon", and Eric Hochberger of TV Fanatic wrote: "Really though, everything about the main story worked amazing. Mayim fits in perfectly in "The Big Bang Theory" cast and played off of Kaley Cuoco just as well as Emmy Award-winning Parsons". The Big Bang Theory (season 4) The fourth season of the American sitcom "The Big Bang Theory", began