The big bang theory: The big bang is

The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching! Welcome to the official channel for THE BIG BANG THEORY ! Catch up with your favorite characters: Sheldon, Amy, Leonard, Penny, Howard, Bernadette, and Raj! Whether you're a science enthusiast or ... The Big Bang Theory : Created by Chuck Lorre, Bill Prady. With Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg. Aspiring film actress Penny moves into a Pasadena apartment across the hall from brilliant, but socially awkward, physicists Sheldon Cooper and Leonard Hofstadter and shows them how little they know about life outside of the lab. The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. Various cosmological models based on the Big Bang concept explain a broad range of phenomena, [1][2][3] including the abundance of light elements, the cosmic microwave background (CMB) radiation, and large-scale structure. The uniformity of the universe, known as the horizon and flatness problems, is explained through cosmic inflation: a phase of accelerated ...