Share 'Tell Neil deGrasse Tyson You Want Evidence'
Evidence? For what?
For his claim early in Chapter One of his Astrophysics for People in a Hurry that “nearly 14 billion years ago, all the space and all the matter and all the energy of the known universe was contained in a volume less than one trillionth the size of the period that ends this sentence.”
Now don’t get me wrong. Neil is a nice guy and the videos he’s in are fun to view. And in a p…
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