Black Hole Hunter: Janna Levin

Clip: Season 45 Episode 1 | 4m 15s Video has closed captioning.

As a kid, Janna Levin loved cosmology—now, she’s an award-winning author and host of “Black Hole Apocalypse”

Aired: 12/06/17

Rating: NR

Problems Playing Video? | Closed Captioning

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