Astrophysicist Janna Levin, PhD, is asked to explain black holes to 5 different people; a child, a teen, a college student, a grad student, and an expert.

Special thanks to our host Janna Levin who’s literally written the book on black holes

‘Black Hole Survival Guide’

https://www.penguinrandomhouse.com/bo... more science and space insights follow Jann on twitter at @JannaLevin

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Astrophysicist Explains Black Holes in 5 Levels of Difficulty | WIRED