Thank you everyone who sent in questions! That was a fun hour. Must run, but I'll come back later and address those that I couldn't get to in 60 minutes. Means a lot to me to see all of this excitement for science. And if you missed the AMA in real time, feel welcome to pose more questions on twitter @jannalevin. Thanks again.
Black holes are not a thing, they're a place—a place where spacetime rains in like a waterfall dragging everything irreversibly into the shadow of the event horizon, the point of no return.
I'm Janna Levin, an astrophysicist at Barnard College of Columbia University. I study black holes, the cosmology of extra dimensions, and gravitational waves. I also serve as the director of sciences at Pioneer Works in Red Hook, Brooklyn, a non-profit foundation that fosters multidisciplinary creativity in the arts and sciences. I've written several books, and the latest is titled, "Black Hole Blues and Other Songs from Outer Space." It's the inside story on the discovery of the century: the sound of spacetime ringing from the collision of two black holes over a billion years ago.
I'm also the host of NOVA's new film, "Black Hole Apocalypse," which you can watch streaming online now here. In it, we explore black holes past, present, and future. Expect space ships, space suits, and spacetime. With our imaginary technology, we travel to black holes as small as cities and as huge as solar systems.
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