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The Known Unknowns: Exploring the Humbling Universe | Lawrence Krauss | Part 2 (#315b)

Into the Impossible With Brian Keating

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The Unidentified Aerial Phenomenon

Lawrence Bigelow: If there's no life in the universe, it's an awful waste of space. He says we know that Mars and Earth exchange material because they are so close to each other. But right now, we know almost nothing because you know of one form of life which is part of the astrobiology problem. And if there were discovered to be microbial organisms in those regions, that would be much more powerful evidence that there could be a second Genesis of life, even in our solar system," he said.

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