Documentary that explores how mankind came to understand the Universe and its origins in the Big Bang.
From the earliest people who looked up at the sky and wondered about its nature to modern physicists like Einstein, Gamow, Alpher And Guth.
The universe began with a massive expansion, billions and billions of years ago, and it continues to expand with every passing second.
The idea that the universe, and man's very existence, began with a "Big Bang" is no longer a topic of debate among most scientists - it is essentially taken as fact.
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