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big bang theory
Asked by | 23 Nov, 2009, 10:54: PM
answered-by-expert Expert Answer

The Big Bang is the cosmological model of the initial conditions and subsequent development of the Universe that is supported by the most comprehensive and accurate explanations from current scientific evidence and observation.

As used by cosmologists, the term Big Bang generally refers to the idea that the Universe has expanded from a primordial hot and dense initial condition at some finite time in the past (currently estimated to have been approximately 13.7 billion years ago), and continues to expand to this day.

Georges Lemaître proposed what became known as the Big Bang theory of the origin of the Universe.

Answered by | 23 Nov, 2009, 11:48: PM

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