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Janna Levin Documentaries

Black Hole Apocalypse

Science Presenter Janna Levin 2018
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  Black Hole Apocalypse, a 2018 science documentary presented by American cosmologist Janna Levin about the most mysterious known objects in our Universe.   First described by Stephen Hawking in his famous publication "Occurrence of singularities in open universes" in 19[...]

A collection of Janna Levin documentaries.