Transcription: The Big Bang theory proposes that the universe began as an infinitely small concentration which suddenly exploded outward, generating all the matter and energy in the universe and some scientists say creating space and time as well. Support for the theory is derived from astronomical observations and theoretical calculations which indicate that the universe is expanding. Further supporting evidence has come from the detection of cosmic background radiation of three degrees above absolute zero. The puzzling existence of this heat, which is spread evenly throughout the observable universe, can b ...
(.mp4)