The observation of galaxies moving away from ours at great speeds in all directions inspired scientists to create the Big Bang theory creation of the universe.
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Key Facts In This Video
The universe is approximately 13.8 billion years old. 03:23
The Big Bang Theory states the universe is extremely efficient, and expanded originally at a fantastic rate. 06:53
Cosmic background radiation is like the "fingerprint of the universe" and can be heard in radio waves. 09:12
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