14 billion years ago: start of the known universe… …but a rapid expansion of material known as the “Big Bang” Not really an “explosion”… The element 'Hydrogen' - ppt download
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14 billion years ago: start of the known universe… …but a rapid expansion of material known as the “Big Bang” Not really an “explosion”… The element 'Hydrogen' - ppt download
Age of Universe reviewed: Astronomers agree it is nearly 14 billion years old | Science | News | Express.co.uk
In The Beginning… 14 Billion years ago the entire Universe was contained in a single point. The Universe was “born” - ppt download
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