Big Bang

Big Bang

The Big Bang involved the entire universe. At the beginning the Big Bang happened everywhere at once. The present location and velocities of galaxies are a result of a primordial blast known as the Big Bang. It was beginning of the Universe and the beginning of time.

Source: Cosmic Journeys - To the Edge of Gravity, Space and Time. Structure and Evolution of the Universe Roadmap 2003-2023 http://universe.gsfc.nasa.gov/roadmap/roadmap99_lores.pdf [Date accessed 29 May 2000]


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Date Created 1 June 2000
Last Updated 11 June 2000