One of the big questions in cosmology is what happened at the beginning of the universe? Astrophycisists are edging closer to answering this question - we can now look back to a fraction of a second after the Big Bang. But what happened before that still remains elusive and there are still many loose ends to tie up. In this episode of Naked Astronomy, Graihagh Jackson takes a look at the origins of time... Like this podcast? Please help us by
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