Janna Levin

In The Moment ... January 10, 2017 Show 253 Hour 2

They are perhaps the most mind-blowing phenomena in the universe, Albert Einstein couldn't accept their existence, and it's possible that we might not exist without them.

A powerful two-hour NOVA special explores the "Black Hole Apocalypse."

We're joined by the show's host. Janna Levin is an astrophysicist at Barnard College of Columbia University. She was recently named a Guggenheim Fellow. Her most recent book is called "Black Hole Blues and Other Songs from Outer Space."