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 placed first in all of syndication ratings, receiving formidable competition from only "Judge Judy" and "Wheel of Fortune" (first-run syndication programs). By the end of the 2012–13 television season, "The Big Bang Theory" had dethroned "Judge Judy" as the ratings leader in all of syndicated programming with 7.1, "Judy" descending to second place for that season with a 7.0. "The Big Bang Theory" did not place first in syndication ratings for the 2013–14 television season, beaten out by "Judge Judy". The show made its United Kingdom debut on Channel 4 on February 14, 2008. The show was also shown as