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 3) still annoy him). Wil Wheaton begins appearing as Sheldon's arch-enemy. Howard begins to date Bernadette Rostenkowski. At the end of the season, Sheldon meets Amy Farrah Fowler. <onlyinclude> </onlyinclude> The third season received favorable reviews. Maureen Ryan of "Chicago Tribune" wrote that ""Big Bang Theory," which is in its third season, is doing many things very right", Alan Sepinwall of "The Star-Ledger" wrote "the Penny/Sheldon interaction was gold, as always", and Ken Tucker of "Entertainment Weekly", who wrote that "what lifts "The Big Bang Theory" into frequent excellence is its one constant from the start: the brilliantly nuanced performance of