Big Bang of the world happened a little before the beginning of space and time. During the 1930s other ideas were proposed as non-standard cosmologies to explain Hubble's observations, including the Milne model, the oscillatory universe (originally suggested by Friedmann, but advocated by Albert Einstein and Richard Tolman) and Fritz Zwicky's tired light hypothesis. After World War II, two distinct possibilities emerged. One was Fred Hoyle's steady state model, whereby new matter would be created as the universe seemed to expand. In this model the universe is roughly the same at any point in time. The other was Lemaître's Big Bang theory,
The Big Bang Theory season. The second half of season seven aired in mid 2014. The eighth season premiered on E4 on October 23, 2014 at 8:30 p.m. During its eighth season, "The Big Bang Theory" shared its 8:30 p.m. time period with fellow CBS comedy, "2 Broke Girls". Following the airing of the first eight episodes of that show's fourth season, "The Big Bang Theory" returned to finish airing its eighth season on March 19, 2015. Netflix UK & Ireland announced on February 13, 2016 that seasons 1–8 would be available to stream from February 15, 2016. "The Big Bang Theory" started off